2024

• Yoshie Suzuki and Toshiharu Sugawara, "Fair Path Generation for Formation Control Combining Ant Colony and Particle Swarm Optimizations," Proceedings of 18th International KES Conference on Agents and Multi-Agent Systems: Technologies and Applications (KES-AMSTA 2024), Smart Innovation, Systems and Technologies Series, Vol. xxx, pp xxx-xxx, Springer, Santa Cruz, Madeira, Portugal, June 19-21, 2024. Springer Link, DOI: xxxxx

• Yuki Miyashita and Toshiharu Sugawara, "Scheduling and Negotiation Method for Double Synchronized Multi-Agent Pickup and Delivery Problem," Proceedings of the 16th International Conference on Agents and Artificial Intelligence - Volume 1 (ICAART 2024), pp. 321-332, SciTePress, Rome, Italy, Feb. 24-26, 2024. ISBN: 978-989-758-680-4, Digital Library, DOI:10.5220/0012390800003636

• Yoshie Suzuki, Stephen Raharja and Toshiharu Sugawara, "Fair Path Generation for Multiple Agents Using Ant Colony Optimization in Consecutive Pattern Formations," Journal of Advanced Computational Intelligence and Intelligent Informatics, Fuji Technology Press, pp. 159-168, Vol. 28, No. 1, 2024. DOI: 10.20965/jaciii.2024.p0159,  online (Journal impact factor=0.7, indexed in WoS Core Collection (ESCI) and SCOPUS)

2023

• Yidong Bai and Toshiharu Sugawara, "Learning to Communicate Using Action Probabilities for Multi-Agent Cooperation," Proceeding of the 7th IEEE International Conference on Agents, pp. 26-31, Dec. 4-6, Kyoto, Japan.  IEEE Xplore, DOI:10.1109/ICA58824.2023.00015 (Accepted as a regular paper, to appear)

• Shintaro Ueki, Fujio Toriumi, and Toshiharu Sugawara, "Influence of Virtual Tipping and Collection Rate in Social Live Streaming Services," Complex Networks and Their Applications XII, Proceedings of the 12th International Conference on Complex Networks and their Applications (Complex Networks 2023), Chapter 10, pp. 1-13, Studies in Computational Intelligence 1144, Springer Nature, Menton, France, Nov. 28-30, 2023. Springer Link, DOI: 10.1007/978-3-031-53503-1_10

• Shintaro Ueki, Fujio Toriumi, and Toshiharu Sugawara, "User's Position-Dependent Strategies in Consumer-Generated Media with Monetary Rewards," Proceedings of the 2023 IEEE/ACM International Conference on Advances in Social Network Analysis and Mining (ASONAM 2023), pp. 325–329, Kusadasi, Turkey, Nov. 6-9, 2023. ACM Digital Library, DOI: 10.1145/3625007.3627503 [(extended version: https://arxiv.org/abs/2310.04805] [Note: the conference venue was Marrakesh, Morocco, but was moved to Kusadasi, Turkey, due to the earthquake at 23:11pm on Sep. 8, 2023.]

• Stephen Raharja and Toshiharu Sugawara, "An Extension of Particle Swarm Optimization to Identify Multiple Peaks using Re-diversification in Static and Dynamic Environments," International Journal of Smart Computing and Artificial Intelligence, Vol. 7, No. 2, IJSCAI, International Institute of Applied Informatics, Oct. 19, 2023. ISSN: 2185-9914, online, DOI: 10.52731/ijscai.v7.i2.793

• Yoshinari Motokawa and Toshiharu Sugawara, "Strategy-Following Multi-Agent Deep Reinforcement Learning through External High-Level Instruction," Proceedings of 27th International Conference on Knowledge-Based and Intelligent Information and Engineering Systems (KES 2023), Procedia Computer Science (PROCS), Volume 225, pp. 2798-2807, Elsevier, Athens, Greek, Sep. 6-8, 2023. ScienceDirect, DOI:10.1016/j.procs.2023.10.272

• Gentoku Nakasone and Toshiharu Sugawara, "Interpretation Using Classified Gradient-Based Saliency Maps for Two-Player Board Games," Proceedings of the IEEE Conference on Games 2023 (IEEE CoG 2023), pp. 1-8, Boston, Japan, August 21-24, 2023. IEEE Xplore, DOI: 10.1109/CoG57401.2023.10333188

• Yoshinari Motokawa and Toshiharu Sugawara, “eDA3-X: Distributed Attentional Actor Architecture for Interpretability of Coordinated Behaviors in Multi-Agent Systems,” Applied Sciences (Switzerland), Vol. 13, No. 14:8454,  Multidisciplinary Digital Publishing Institute (MDPI), July 2023. (IF=2.7, 2022). ISSN: 2076-3417, DOI: 10.3390/app13148454,  Open Access, (indexed by scopus and web of science)

• Shintaro Ueki, Fujio Toriumi, and Toshiharu Sugawara, "Effect of Monetary Reward on Users' Individual Strategies Using Co-Evolutionary Learning," Presentation at the 9th International Conference on Computational Social Science (IC2S2) -- no proceedings, Copenhagen, Denmark, July 17-20, 2023 (poster presentation). (The accepted paper is available via arxiv.org,  DOI: arXiv:2306.00492)

• Yoshinari Motokawa and Toshiharu Sugawara, "Interpretability for Conditional Coordinated Behavior in Multi-Agent Reinforcement Learning," Proceedings of The 2023 International Joint Conference on Neural Networks (IJCNN 2023) , pp. 1-8, Gold Coast, Australia, June 18 - 23, 2023. IEEE Xplore, DOI: 10.1109/IJCNN54540.2023.10191825 (Extended version: https://arxiv.org/abs/2304.10375)

• Junjie Zhong and Toshiharu Sugawara, "Modeling Others as a Player in Non-cooperative Game for Multi-agent Coordination," Proceedings of 24th International Conference on Engineering Applications of Neural Networks (EANN 2023, which will be renamed to Engineering Applications and Advances of Artificial Intelligence, EAAAI 2023), pp. 520-531, Springer, Communications in Computer and Information Science (CCIS) Vol. 1826, Leon, Spain, June 14-17, 2023. DOI: 10.1007/978-3-031-34204-2_42, Springer Link.

• Yuki Miyashita, Tomoki Yamauchi and Toshiharu Sugawara, "Distributed Planning with Asynchronous Execution with Local Navigation for Multi-agent Pickup and Delivery Problem," Proceedings of the 22nd International Conference on Autonomous Agents and Multi-Agent Systems (AAMAS 2023), pp. 914-922, IFAAMAS, London, UK, May 28-June 2, 2023. ISBN: 978-1-4503-9432-1, DOI: 10.5555/3545946.3598729, Digital Library (extended version: https://arxiv.org/abs/2302.09250)

• Yutaro Usui, Fujio Toriumi and Toshiharu Sugawara, "User Behaviors in Consumer-Generated Media under Monetary Reward Schemes," Journal of Computational Social Science, Vol. 6, Issue 1, pp. 389–409, Springer, April. 2023. Springer Link, DOI: 10.1007/s42001-022-00187-3, (IF=3.2, 2022)

• Kohei Matsumoto and Toshiharu Sugawara, "Autonomous Energy-Saving Behaviors with Fulfilling Requirements for Multi-Agent Cooperative Patrolling Problem," Proceedings of the 15th International Conference on Agents and Artificial Intelligence - Volume 1 (ICAART 2023), pp. 37-47, SciTePress, Lisbon, Portugal, Feb. 22-24, 2023. ISBN: 978-989-758-623-1, DOI:10.5220/0011645000003393, Digital Library

• Sota Tsuiki, Keisuke Yoneda and Toshiharu Sugawara, "Negotiation Protocol with Learned Handover of Important Tasks for Planned Suspensions in Multi-Agent Patrol Problems," Agents and Artificial Intelligence (Selected and revised papers from ICAART 2022), Lecture Notes in Artificial Intelligence (LNAI), Vol. 13786, pp. 27-47 (Chapter 2), Springer Nature, January 20, 2023. Springer Link, DOI:  10.1007/978-3-031-22953-4_2

• Tomoki Yamauchi, Yuki Miyashita and Toshiharu Sugawara, "Efficient Path and Action Planning Method for Multi-Agent Pickup and Delivery Tasks under Environmental Constraints," SN Computer Science, Vol. 4, Issue 1, Article No. 83,  pp. 1-20, Springer Nature, January 2023, Springer link, DOI: 10.1007/s42979-022-01475-5

2022

• Yuki Miyashita and Toshiharu Sugawara, "Flexible Exploration Strategies in Multi-Agent Reinforcement Learning for Instability by Mutual Learning," Proceedings of the 21st IEEE International Conference on Machine Learning and Applications (IEEE ICMLA 2022), pp. 579-584, IEEE Xplore, Nassau, Bahamas, Dec. 12-15, 2022. DOI:10.1109/ICMLA55696.2022.00100

• Yukita Fujitani, Tomoki Yamauchi,Yuki Miyashita, Toshiharu Sugawara, "Efficient Multi-agent Pickup and Delivery with Temporary Priority and Avoidance," IPSJ Transactions on Mathematical Modeling and its Applications (in Japanese), Information Processing Society of Japan (IPSJ), Vol. 15, No. 4, pp. 11-22, December 15, 2022. IPSJ digital library

• Yuki Miyashita and Toshiharu Sugawara, "Two-Stage Reward Allocation with Decay for Multi-Agent Coordinated Behavior for Sequential Cooperative Task by Using Deep Reinforcement Learning," Autonomous Intelligent Systems, Vol. 2, Issue 1, article 10, pp. 1-18, Springer Nature, December 2022. SpringerLink, DOI: 10.1007/s43684-022-00029-z 

• Yoshie Suziki, Stephen Raharja and Toshiharu Sugawara, "Fair Formation Control of Multiple Agents Using Ant Colony Optimization," Proceedings of 2022 Joint 12th International Conference on Soft Computing and Intelligent Systems and 23rd International Symposium on Advanced Intelligent Systems (SCIS-ISIS 2022), pp. 1 - 6, IEEE Xplore, Ise-Shima, Japan, Nov. 29-Dec. 2, 2022. DOI: 10.1109/SCISISIS55246.2022.10002048.

• Yidong Bai and Toshiharu Sugawara, "Imbalanced Equilibrium: Emergence of Social Asymmetric Coordinated Behavior in Multi-Agent Games," Neural Information Processing --- Proceedings of the 29th International Conference on Neural Information Processing (ICONIP 2022) Part II, LNCS 13624, pp. 1-12, Springer Nature, New Delhi, Nov. 22-26, 2022. DOI:10.1007/978-3-031-30108-7_26, Spriger-Link.

• Tomoki Yamauchi, Yuki Miyashita and Toshiharu Sugawara, "Task Selection Algorithm for Multi-Agent Pickup and Delivery with Time Synchronization," Proceedings of the 24th International Conference on Principles and Practice of Multi-Agent Systems (PRIMA 2022), Lecture Notes in Artificial Intelligence (LNAI), Vol. 13753, pp. 458-474, Springer Nature, Valencia, Spain, Nov. 16-18, 2022. Springer link, DOI: 10.1007/978-3-031-21203-1_27

• Yukita Fujitani, Tomoki Yamauchi, Yuki Miyashita, and Toshiharu Sugawara, "Deadlock-Free Method for Multi-Agent Pickup and Delivery Problem Using Priority Inheritance with Temporary Priority," Proceedings of 26th International Conference on Knowledge-Based and Intelligent Information and Engineering Systems (KES 2022), Procedia Computer Science, Vol. 207, pp. 1552-1561, Elsevier, Verona, Italy, Sep. 7-9, 2022.  ScienceDirect, DOI: 10.1016/j.procs.2022.09.212

• Yoshinari Motokawa and Toshiharu Sugawara, "Distributed Multi-Agent Deep Reinforcement Learning for Robust Coordination against Noise," Proceedings of The 2022 International Joint Conference on Neural Networks (IJCNN 2022 as a part of 2022 IEEE World Congress on Computational Intelligence, WCCI 2022), pp. 1-8, Padova, Italy, July 18 - 23, 2022. IEEE Xplore, DOI: 10.1109/IJCNN55064.2022.9892253

• Yoshihiro Oguni, Yuki Miyashita and Toshiharu Sugawara, "Shifting Reward Assignment for Learning Coordinated Behavior in Time-limited Ordered Tasks,” 20th International Conference on Practical Applications of Agents and Multi-Agent Systems (PAAMS 2022), Lecture Notes in Artificial Intelligence (LNAI), Vol. 13616, Springer, pp. 294–306, L'Aquila+online (hybrid), July 13-15. 2022. Springer Link, DOI:10.1007/978-3-031-18192-4_24

• Stephen Raharja, Toshiharu Sugawara, "Identifying Top-k Peaks Using an Extended Particle Swarm Optimization Algorithm with Re-diversification Mechanism," Proceedings of the 12th IIAI International Congress on Advanced Applied Informatics (SCAI 2022 in IIAI AAI 2022), pp. 359-366, Kanazawa, Japan, July 2-7, 2022.  IEEE Xplore, DOI 10.1109/IIAIAAI55812.2022.00079 (Outstanding Paper Award)

• Yuki Miyashita, Tomoki Yamauchi and Toshiharu Sugawara, "Distributed and Asynchronous Planning and Execution for Multi-agent Systems through Short-Sighted Conflict Resolution," Proceedings of 2022 IEEE 46th Annual Computers, Software, and Applications Conference (COMPSAC 2022), pp. 14-23, IEEE, (Torino, Italy to) Online, June 27- July 1, 2022. ISBN: 978-1-6654-8810-5, DOI: 10.1109/COMPSAC54236.2022.00012, IEEE Xplore

• Tomoki Yamauchi, Yuki Miyashita and Toshiharu Sugawara, "Standby-Based Deadlock Avoidance Method for Multi-Agent Pickup and Delivery Tasks," Proceedings of the 21st International Conference on Autonomous Agents and Multi-Agent Systems (AAMAS 2022), pp. 1427-1435, IFAAMAS, (Auckland, New Zealand to) Online, May 9-13, 2022. ISBN: 978-1-4503-9213-6, DOI: 10.5555/3535850.3536009, Digital Library

• Sota Tsuiki, Keisuke Yoneda and Toshiharu Sugawara, "Task Handover Negotiation Protocol for Planned Suspension Based on Estimated Chances of Negotiations in Multi-Agent Patrolling," Proceedings of the 14th International Conference on Agents and Artificial Intelligence - Volume 1 (ICAART 2022), pp. 83-93, SciTePress, (Vienna to) Online Conference, Feb. 3-5, 2022. ISBN: 978-989-758-547-0, DOI:10.5220/0010896900003116, Digital Library

2021

• Yutaro Usui, Fujio Toriumi and Toshiharu Sugawara, "Impact of Monetary Rewards on Users' Behavior in Social Media," Complex Networks and Their Applications X, Proceedings of the 10th International Conference on Complex Networks and their Applications X (Complex Networks 2021), Chapter 52, pp. 632-644, Studies in Computational Intelligence 1015, Springer Nature, Hybrid (online and in Madrid, Spain), Nov. 30 - Dec. 1, 2021.  (published in Jan. 1st, 2022) Springer Link, DOI: 10.1007/978-3-030-93409-5_52

• Yizhou Yan, Fujio Toriumi, and Toshiharu Sugawara, "Understanding How Retweets Influence the Behaviors of Social Networking Service Users via Agent-Based Simulation," Computational Social Networks, Vol. 8, Article 18, Springer, ISSN 2197-4314, Sep. 2021, Springer Open, DOI: 10.1186/s40649-021-00099-8 

• Yoshinari Motokawa and Toshiharu Sugawara, "MAT-DQN: Towards Interpretable Multi-Agent Deep Reinforcement Learning," Proceedings of the 30th International Conference on Artificial Neural Networks (ICANN 2021), LNCS Vol. 12894, pp. 556–567, Springer, online, Sep. 14-17, 2021. Springer Link, DOI: 10.1007/978-3-030-86380-7_45

• Naoki Yoshida, Itsuki Noda, Toshiharu Sugawara, "Coordinated Control Method for Ridesharing Service Area Using Deep Reinforcement Learning," Transactions of the Japanese Society for Artificial Intelligence (in Japanese), Vol. 36, No. 5, pp. AG21-D_1-10, Japanese Society for Artificial Intelligence (JSAI), September 2021. J-Stage, DOI: 10.1527/tjsai.36-5_AG21-D

• Tomoki Yamauchi, Yuki Miyashita and Toshiharu Sugawara, "Path and Action Planning in Non-Uniform Environments for Multi-Agent Pickup and Delivery Tasks," Multi-Agent Systems; Proceedings of the 18th European Conference on Multi-Agent Systems (EUMAS 2021); Revised and Selected Papers, LNAI Vol. 12802, pp. 37-54, Springer, Online Conference, June. 28-29, 2021. Springer link, DOI: 10.1007/978-3-030-82254-5_3 (16/53).

• Koki Sato and Toshiharu Sugawara, "Multi-agent Task Allocation Based on Reciprocal Trust in Distributed Environments," Proceedings of 15th International KES Conference on Agents and Multi-Agent Systems: Technologies and Applications (KES-AMSTA 2021), Smart Innovation, Systems and Technologies Series, Vol. 241, pp 477-488, Springer, online (due to COVID-19), June 14-16, 2021. Springer Link, DOI: 10.1007/978-981-16-2994-5_40

• Sota Tsuiki, Keisuke Yoneda, and Toshiharu Sugawara, "Reducing Efficiency Degradation Due to Scheduled Agent Suspensions by Task Handover in Multi-Agent Cooperative Patrol Problems," Proceedings of the 34th International Florida Artificial Intelligence Research Society Conference, May 16-19, North Miami, USA, 2021. AAAI digital library, DOI: 10.32473/flairs.v34i1.128442 (73/188)

• Yutaro Miura, Fujio Toriumi and Toshiharu Sugawara, "Modeling and Analyzing Users’ Behavioral Strategies with Co-Evolutionary Process," Computational Social Networks, Vol. 8, Issue 1, Springer, ISSN 2197-4314, March 2021. Springer Open DOI: 10.1186/s40649-021-00092-1

• Yuki Miyashita and Toshiharu Sugawara, "Analysis of Coordinated Behavior Structures with Multi-Agent Deep Reinforcement Learning," Applied Intelligence, Volume 51, pp. 1069-1085, Springer, ISSN: 0924-669X, February 2021. (IF=5.3, 2022) Springer Link, DOI: 10.1007/s10489-020-01832-y

• Naoki Yoshida, Itsuki Noda and Toshiharu Sugawara, "Distributed Service Area Control for Ride Sharing by Using Multi-Agent Deep Reinforcement Learning," Proceedings of the 13th International Conference on Agents and Artificial Intelligence - Volume 1 (ICAART 2021), pp. 101-112, SciTePress, Online Conference, Feb. 4-6, 2021. ISBN: 978-989-758-484-8, DOI: 10.5220/0010310901010112 Digital Library

• Katsuya Hattori and Toshiharu Sugawara, "Effective Area Partitioning in a Multi-agent Patrolling Domain for Better Efficiency," Proceedings of the 13th International Conference on Agents and Artificial Intelligence - Volume 1 (ICAART 2021), pp. 281-288, SciTePress, Online Conference, Feb. 4-6, 2021. ISBN: 978-989-758-484-8, DOI: 10.5220/001024110281028 Digital Library

2020

• Yizhou Yan, Fujio Toriumi and Toshiharu Sugawara, "Influence of Retweeting on the Behaviors of Social Networking Service Users," Complex Networks and Their Applications IX, Proceedings of the 9th International Conference on Complex Networks and their Applications (Complex Networks 2020) (Chapter 56), pp. 1-12, Studies in Computational Intelligence 943, Springer Nature, online (originally in Madrid, Spain), Dec. 1 - Dec. 3, 2020. Springer Link, DOI: 10.1007/978-3-030-65347-7_56

• Yuki Miyashita and Toshiharu Sugawara, "Coordinated Behavior for Sequential Cooperative Task using Two-Stage Reward Assignment with Decay," Neural Information Processing --- Proceedings of the 27th International Conference on Neural Information Processing (ICONIP 2020), LNCS 12533, pp. 257-269, Springer Nature, Thiland (online conference), Nov. 18-22, 2020. DOI: https://doi.org/10.1007/978-3-030-63833-7_22 Spriger-Link

• Ken Daniel Smith, Yuki Miyashita and Toshiharu Sugawara, "Analysis of Coordination Structures of Partially Observing Cooperative Agents by Multi-AgentDeep Q-Learning," Proceedings of the 23rd International Conference on Principles and Practice of Multi-Agent Systems (PRIMA 2020), Lecture Notes in Artificial Intelligence (LNAI), Vol. 12568, pp. 1-15, Springer Nature, Online conference (originally in Nagoya), Japan, Nov. 18-20, 2020. Springer link DOI: 10.1007/978-3-030-69322-0_10

• Jiahao Peng and Toshiharu Sugawara, "Policy Advisory Module for Exploration Hindrance Problem in Multi-agent Deep Reinforcement Learning," Proceedings of the 23rd International Conference on Principles and Practice of Multi-Agent Systems (PRIMA 2020), Lecture Notes in Artificial Intelligence (LNAI), Vol. 12568, pp. 1-17, Springer Nature, Online conference (originally in Nagoya), Japan, Nov. 18-20, 2020. Springer link DOI: 10.1007/978-3-030-69322-0_9

• Tomoki Yamauchi, Rina Ide and Toshiharu Sugawara, "Fair and Effective Elevator Car Dispatching Method for Elevator Group Control System using Noisy Information from Cameras," Trans. of the Inst. of Electronics, Information and Communication Engineers D (in Japanese), Vol. J103-D, No.11, pp. 776-787, Nov. 2020. IEICE Transactions Online, DOI: 10.14923/transinfj.2019SGP0006

• Yuka Ishihara and Toshiharu Sugawara, "Multi-Agent Task Allocation Based on the Learning of Managers and Local Preference Selections," Proceedings of 24th International Conference on Knowledge-Based and Intelligent Information and Engineering Systems (KES 2020), Procedia Computer Science, Vol. 176C, pp. 675-684, Elsevier, Virtual Conference (due to COVID-19), Sep. 16-18, 2020. ScienceDirect, DOI: 10.1016/j.procs.2020.09.040

• Elhadji Amadou Oury Diallo and Toshiharu Sugawara, "Multi-Agent Pattern Formation: a Distributed Model-Free Deep Reinforcement Learning Approach," Proceedings of 2020 International Conference on Neural Networks (IJCNN 2020), IEEE Xplore, pp. 1-8, Glasgow, UK, Held as virtual conference, July 19 - 24, 2020. IEEE Xplore, DOI: 10.1109/IJCNN48605.2020.9207657

• Xiaohui Zhu and Toshiharu Sugawara, "Meta-Reward Model Based on Trajectory Data with k-Nearest Neighbors Method," Proceedings of 2020 International Conference on Neural Networks (IJCNN 2020), IEEE Xplore, pp. 1-8, Glasgow, UK, Held as virtual conference, July 19 - 24, 2020. IEEE Xplore, DOI: 10.1109/IJCNN48605.2020.9207388

• Naoki Yoshida, Itsuki Noda and Toshiharu Sugawara, “Multi-agent Service Area Adaptation for Ride-Sharing Using Deep Reinforcement Learning,” 18th International Conference on Practical Applications of Agents and Multi-Agent Systems (PAAMS 2020), Lecture Notes in Artificial Intelligence (LNAI), Vol. 12092, Springer, pp. 363-375, L'Aquila, June 17-19. 2020. Springer Link, DOI: 10.1007/978-3-030-49778-1_29

• Elhadji Amadou Oury Diallo, Ayumi Sugiyama and Toshiharu Sugawara, "Coordinated Behavior of Cooperative Agents Using Deep Reinforcement Learning," Neurocomputing, Volume 396, Pages 230-240, Elsevier, ISSN: 0925-2312, July 5, 2020. (IF=6.0, 2022), DOI: 10.1016/j.neucom.2018.08.094, ScienceDirect

• Zean Zhu, Elhadji Amadou Oury Diallo, and Toshiharu Sugawara, "Learning Efficient Coordination Strategy for Multi-Step Tasks in Multi-Agent Systems using Deep Reinforcement Learning," Proceedings of the 12th International Conference on Agents and Artificial Intelligence - Volume 1 (ICAART 2020), pp. 287-294, SciTePress, Valletta, Malta, Feb. 22-24, 2020. On Line ISBN: 978-989-758-395-7, DOI: 10.5220/0009160102870294

• Elhadji Amadou Oury Diallo, and Toshiharu Sugawara, "Multi-Agent Pattern Formation with Deep Reinforcement Learning," Proceedings of the 34th AAAI Conference on Artificial Intelligence, Vol. 34, No. 10, Issue 10: AAAI-20 Student Tracks, pp. 13779-13780, New York, NY, USA, Feb. 7-12, 2020. AAAI Digital Library, DOI: 10.1609/aaai.v34i10.7161

2019

• Ayumi Sugiyama, Lingying Wu and Toshiharu Sugawara, "Improvement of Multi-agent Continuous Cooperative Patrolling with Learning of Activity Length", Agents and Artificial Intelligence (Selected and revised papers from ICAART 2019), Lecture Notes in Artificial Intelligence (LNAI), Vol. 11978, pp. 270-292, Springer Nature, 2019. Springer Link, DOI: 10.1007/978-3-030-37494-5_14

• Sonoko Kimura, Kimitaka Asatani and Toshiharu Sugawara, "Comparison of Opinion Polarization on Single-Layer and Multiplex Networks," Complex Networks and Their Applications VIII, Proceedings of the 8th International Conference on Complex Networks and their Applications (Complex Networks 2019) (Volume 2), pp. 709-721, Studies in Computational Intelligence 882, Springer, Lisbon, Portugal, Dec. 10 - Dec. 12, 2019. Springer Link, DOI: 10.1007/978-3-030-36683-4_57

• Yutaro Miura, Fujio Toriumi and Toshiharu Sugawara, "Analysis of Co-evolution of Cooperation in a Dynamic Learning Model in Social Networking Services," Complex Networks and Their Applications VIII, Proceedings of the 8th International Conference on Complex Networks and their Applications (Complex Networks 2019), Volume 1, pp. 495-506, Studies in Computational Intelligence 881, Springer, Lisbon, Portugal, Dec. 10 - Dec. 12, 2019. Springer Link, DOI: 10.1007/978-3-030-36687-2_41

• Elhadji Amadou Oury Diallo, and Toshiharu Sugawara, "Coordination in Adversarial Multi-Agent with Deep Reinforcement Learning under Partial Observability," Proceedings of the 31st IEEE International Conference on Tools with Artificial Intelligence (ICTAI 2019), pp. 198-205, IEEE Xplore, Portland, USA, Nov. 4-6, 2019. IEEE Xplore, DOI:10.1109/ICTAI.2019.00036

• Yuki Miyashita and Toshiharu Sugawara, "Coordination in Collaborative Work by Deep Reinforcement Learning with Various State Descriptions," Proceedings of the 22nd International Conference on Principles and Practice of Multi-Agent Systems (PRIMA 2019), Lecture Notes in Artificial Intelligence (LNAI), Vol. 11873, pp. 550-558, Springer, Torino, Italy, Oct. 28 - 31, 2018. Springer link, DOI:10.1007/978-3-030-33792-6_40

• Lingying Wu and Toshiharu Sugawara, "Strategies for Energy-Aware Multi-Agent Continuous Cooperative Patrolling Problems subject to Requirements," Proceedings of the 22nd International Conference on Principles and Practice of Multi-Agent Systems (PRIMA 2019), Lecture Notes in Artificial Intelligence (LNAI), Vol. 11873, pp. 585-593, Springer, Torino, Italy, Oct. 28 - 31, 2018. Springer link, DOI:10.1007/978-3-030-33792-6_44

• Yutaro Miura, Fujio Toriumi and Toshiharu Sugawara, "Multiple-World Genetic Algorithm to Identify Locally Reasonable Behaviors in Complex Social Networks," Proceedings of IEEE International Conference on Systems, Man, and Cybernetics (IEEE SMC 2019), pp. 3645-3652, IEEE Xplore, Bari, Italy, Oct 6-9, 2019. IEEE Xplore DOI: 10.1109/SMC.2019.8914277

• Yuki Miyashita and Toshiharu Sugawara, "Cooperation and Coordination Regimes by Deep Q-Learning in Multi-agent Task Executions," Proceedings of the 28th International Conference on Artificial Neural Networks (ICANN 2019), LNCS Vol. 11727, pp. 541-554, Springer, Munich, Germany, Sep. 17-19, 2019. Springer Link, DOI: https://doi.org/10.1007/978-3-030-30487-4_42

• Lingying Wu, Ayumi Sugiyama and Toshiharu Sugawara, "Energy-Efficient Strategies for Multi-Agent Continuous Cooperative Patrolling Problems," Proceedings of 23rd International Conference on Knowledge-Based and Intelligent Information and Engineering Systems (KES 2019), Procedia Computer Science, Vol. 159, pp. 465-474, Elsevier, Budapest, Hungary, Sep. 4-6, 2019. ScienceDirect, DOI: 10.1016/j.procs.2019.09.201

• Tomoki Yamauchi, Rina Ide and Toshiharu Sugawara, "Fair and Effective Elevator Car Dispatching Method in Elevator Group Control System using Cameras," Proceedings of 23rd International Conference on Knowledge-Based and Intelligent Information and Engineering Systems (KES 2019), Procedia Computer Science, Vol. 159, pp. 445-464, Elsevier, Budapest, Hungary, Sep. 4-6, 2019. ScienceDirect, DOI: 10.1016/j.procs.2019.09.200

• Ayumi Sugiyama, Vourchteang Sea and Toshiharu Sugawara, "Emergence of Divisional Cooperation with Negotiation and Re-learning and Evaluation of Flexibility in Continuous Cooperative Patrol Problem," Knowledge and Information Systems, An International Journal, Volume 60, No. 3, Pages 1587-1609, Springer London, Septermber, 2019. (IF=2.397) ISSN: 0219-1377, DOI: 10.1007/s10115-018-1285-8 Springer Link

• Yutaro Miura, Fujio Toriumi and Toshiharu Sugawara, "Multiple World Genetic Algorithm to Analyze Individually Advantageous Behaviors in Complex Networks," Proceedings of the Genetic and Evolutionary Computation Conference Companion (GECCO 2019), pp 297-298, Prague, Czech Republic, July 13-17, 2019. ACM Digital Library. DOI: 10.1145/3319619.3321989

• Yuki Miyashita and Toshiharu Sugawara, "Coordination Structures Generated by Deep Reinforcement Learning in Distributed Task Executions," Proceedings of the 18th International Conference on Autonomous Agents and Multiagent Systems (AAMAS2019), pp 2129-2131, Montreal, Canada, May 13-17, 2019. online

• Yuka Ishihara and Toshiharu Sugawara, "Analysis of Traffic Congestion Reducer Agents on Multi-Lane Highway," Proceedings of the 2nd International Conference on Intelligent Autonomous System (ICoIAS 2019), pp. 135-141, IEEE Xplore, Singapore, Feb. 28 - Mar. 2, 2019. DOI: 10.1109/ICoIAS.2019.00030, IEEE Xplore (This paper via this URL was revised based on the conference paper and published on Aug. 1 2019)

• Ayumi Sugiyama, Lingying Wu and Toshiharu Sugawara, "Learning of Activity Cycle Length Based on Battery Limitation in Multi-Agent Continuous Cooperative Patrol Problems," Proceedings of the 11th International Conference on Agents and Artificial Intelligence, Vol. 1, pp. 62-71, Prague, Czech Republic, Feb. 19-21, 2019. ISBN: 978-989-758-350-6, DOI: 10.5220/0007567400620071, Online

2018

• Elhadji Amadou Oury Diallo and Toshiharu Sugawara, "Learning Coordination in Adversarial Multi-Agent DQN with dec-POMDPs," The NeurIPS 2018 Workshop on Reinforcement Learning under Partial Observability (RLPO 2018), poster presentation, Montreal, Canada, Dec. 2 - 8, 2018. online

• Elhadji Amadou Oury Diallo and Toshiharu Sugawara, "Learning Strategic Group Formation for Coordinated Behavior in Adversarial Multi-Agent with Distributed Double DQN," Proceedings of the 21st International Conference on Principles and Practice of Multi-Agent Systems (PRIMA-2018), Lecture Notes in Artificial Intelligence (LNAI), Vol. 11224, pp. 1-9, Springer, Tokyo, Japan, Oct. 29 - Nov. 2, 2018. Springer link DOI: 10.1007/978-3-030-03098-8_30

• Naoki Iijima, Ayumi Sugiyama, Masashi Hayano, and Toshiharu Sugawara, "Task Allocation Method with Shared Task Utility and the Learning of Individual Preference," Trans. of the Inst. of Electronics, Information and Communication Engineers D (in Japanese), Vol. J101-D, No.9, pp. 1265-1275, 2018. IEICE Transactions Online, DOI: 10.14923/transinfj.2017SAP0009

• Ryoya Funato and Toshiharu Sugawara, "Efficient Task Allocation with Communication Delay Based on Reciprocal Teams," Proceedings of the IEEE 3rd International Conference on Agents, pp. 50-54, IEEE Xplore, Singapore, July 28-31, 2018, (short paper). IEEE Xplore, DOI: 10.1109/AGENTS.2018.8460001

• Yu Yoshimura, Ayumi Sugiyama, and Toshiharu Sugawara, "A Method for Preventing Redundant Responsible Areas Caused by Limited Communications in Continuous Multi-Agent Patrol Problem," IPSJ Transactions on Mathematical Modeling and its Applications (in Japanese), Information Processing Society of Japan, Vol. 11, No. 2, pp. 50-62, July, 2018. IPSJ digital library

• Vourchteang Sea, Sugiyama Ayumi, and Sugawara Toshiharu, "Frequency-based Multi-agent Patrolling Model and Its Area Partitioning Solution Method for Balanced Workload," Proceedings of the 15th International Conference on Integration of Constraint Programming, Artificial Intelligence, and Operations Research (CPAIOR 2018), LNCS Vol. 10848, pp. 530 - 545, Springer International, Delft, The Netherlands, June 26-29. 2018. Springer Link DOI: https://doi.org/10.1007/978-3-319-93031-2_38

• Yutaro Miura, Fujio Toriumi and Toshiharu Sugawara, "Evolutionary Learning Model of Social Networking Services with Diminishing Marginal Utility," Proceedings of the 26th International Conference on World Wide Web Companion (WWW '18 Companion, Presented at the 9th International Workshop on Modeling Social Media (MSM 2018): Applying Machine Learning and AI for Modeling Social Media), pp. 1323-1329, ACM, Lyon, France, April 23-27, 2018 (full paper). ACM Digital Library, DOI: 10.1145/3184558.3191573

2017

• Elhadji Amadou Oury Diallo, Ayumi Sugiyama and Toshiharu Sugawara, "Learning to Coordinate with Deep Reinforcement Learning in Doubles Pong Game," Proceedings of 16th IEEE International Conference on Machine Learning and Applications (ICMLA 2017), pp. 14-19, IEEE Xplore, Cancun, Mexico, December 18-21, 2017. IEEE Xplore DOI 10.1109/ICMLA.2017.0-184

• Tomoaki Otsuka and Toshiharu Sugawara, "Promotion of Robust Cooperation Among Agents in Complex Networks by Enhanced Expectation-of-Cooperation Strategy," Complex Networks and Their Applications VI, Proceedings of the 6th International Conference on Complex Networks and their Applications (Complex Networks 2017), pp. 815-828, Studies in Computational Intelligence, Vol 689, Springer, Lyon, France, Nov.29 - Dec.1, 2017. Springer Link DOI: 10.1007/978-3-319-72150-7_66

• Masashi Hayano, Naoki Iijima and Toshiharu Sugawara "Asynchronous Agent Teams for Collaborative Tasks Based on Bottom-Up Alliance Formation and Adaptive Behavioral Strategies," Proceedings of The 15th IEEE International Conference on Dependable, Autonomic and Secure Computing (DASC 2017), pp. 589-596, Orlando, Florida, USA, November 6-10, 2017. IEEE Xplore, DOI: 10.1109/DASC-PICom-DataCom-CyberSciTec.2017.105

• Naoki Iijima, Ayumi Sugiyama, Masashi Hayano and Toshiharu Sugawara, "Adaptive Task Allocation Based on Social Utility and Individual Preference in Distributed Environments," Proceedings of 21st International Conference on Knowledge-Based and Intelligent Information and Engineering Systems (KES 2017), Procedia Computer Science, Vol. 112, pp. 91-98, Elsevier, France, Sep. 6-8, 2017. ScienceDirect DOI: 10.1016/j.procs.2017.08.177

• Naoki Iijima, Ayumi Sugiyama, Masashi Hayano and Toshiharu Sugawara, "Adaptive Task Allocation Based on Social Utility and Individual Preference in Distributed Environments," Proceedings of 21st International Conference on Knowledge-Based and Intelligent Information and Engineering Systems (KES 2017), Procedia Computer Science, Vol. 112, pp. 91-98, Elsevier, France, Sep. 6-8, 2017. ScienceDirect DOI: 10.1016/j.procs.2017.08.177

• Tomoaki Otsuka and Toshiharu Sugawara, "Robust Spread of Cooperation by Expectation-of-Cooperation Strategy with Simple Labeling Method," Proceedings of 2017 IEEE/WIC/ACM International Conference on Web Intelligence (WI 2017), pp 483-490, ACM, Leipzig, Germany, August 23-26, 2017. ACM Digital Library, DOI: 10.1145/3106426.3106458

• Ayumi Sugiyama and Toshiharu Sugawara, "Improvement of Robustness to Environmental Changes by Autonomous Divisional Cooperation in Multi-Agent Cooperative Patrol Problem," 15th International Conference on Practical Applications of Agents and Multi-Agent Systems（PAAMS 2017), Lecture Notes in Artificial Intelligence (LNAI), Vol. 10349, Springer, pp. 259-271, Porto, Portugal, June 21-23. 2017. Springer Link DOI: 10.1007/978-3-319-59930-4_21

• Kengo Osaka, Fujio Toriumi and Toshiharu Sugawara "Effect of Direct Reciprocity and Network Structure on Continuing Prosperity of Social Networking Services," Computational Social Networks, Vol. 4, No. 2, Springer, ISSN 2197-4314, 2017. Springer Open DOI: 10.1186/s40649-017-0038-2

• Masashi Hayano, Yuki Miyashita and Toshiharu Sugawara, "Adaptive Switching Behavioral Strategies for Effective Team Formation in Changing Environments," Agents and Artificial Intelligence (By extending our paper selected from Proc. of ICAART 2016), Lecture Notes in Artificial Intelligence (LNAI), Vol. 10162, Springer, pp. 37-55, 2017. Springer Link, DOI: 10.1007/978-3-319-53354-4_3

• Vourchteang Sea, Chihiro Kato and Toshiharu Sugawara, "Coordinated Area Partitioning Method by Autonomous Agents for Continuous Cooperative Tasks," Journal of Information Processing, Vol. 25, No.1 pp. 75-87, January 2017. DOI: 10.2197/ipsjjip.25.75 J-Stage

2016

• Kengo Osaka, Fujio Toriumi, and Toshiharu Sugawara, "Effect of Direct Reciprocity on Continuing Prosperity of Social Networking Services," Complex Networks and Their Applications V, Proceedings of the 5th International Workshop on Complex Networks and their Applications (Complex Networks 2016), pp. 411-422, Studies in Computational Intelligence 693, Springer, Milan, Italy, Nov.30 - Dec.2, 2016. Springer DOI: 10.1007/978-3-319-50901-3_33

• Naoki Iijima, Masashi Hayano, Ayumi Sugiyama and Toshiharu Sugawara, "Analysis of Task Allocation Based on Social Utility and Incompatible Individual Preference," Proceedings of the 21st Conference on Technologies and Applications of Artificial Intelligence (TAAI 2016), pp. 24-31, IEEE Xplore, Hsinchu, Taiwan, Nov. 2016. IEEE Xplore DOI: 10.1109/TAAI.2016.7880161

• Ayumi Sugiyama, Sea Vourchteang and Toshiharu Sugawara, "Effective Task Allocation by Enhancing Divisional Cooperation in Multi-Agent Continuous Patrolling Tasks," Proceedings of the 28th IEEE International Conference on Tools with Artificial Intelligence (ICTAI 2016), pp. 33-40, IEEE Xplore, San Jose, USA, Nov. 6-8, 2016. IEEE Xplore DOI: 10.1109/ICTAI.2016.0016

• Masashi Hayano, Yuki Miyauchi and Toshiharu Sugawara, "Effective task allocation and Stable cooperative organization based on behavioral strategy selection," Transactions of the Japanese Society of Artificial Intelligence (in Japanese), Vol. 31, No. 6, p. AG-F_1-11, 2016. J-Stage DOI: 10.1527/tjsai.AG-F

• Yumeno Shiba and Toshiharu Sugawara, "Fair and Accurate Assessment Method for Group Work by Mutual Evaluation by Interative Trust Network Calculation," Transactions of the Japanese Society of Artificial Intelligence (in Japanese), Vol. 31, No. 6, p. AG-C_1-10 2016. J-Stage DOI: 10.1527/tjsai.AG-C

• Yuta Kazato, Kensuke Fukuda, Toshiharu Sugawara, "Detecting malicious domains with probabilistic threat propagation on DNS graph," Computer Software (in Japanese), Vol. 33, No. 3, pp. 16-28, JSSST, Iwanami Shoten, 2016. J-Stage, DOI: 10.11309/jssst.33.3_16 (2016 Best Research Paper Award)

• Ryosuke Shibusawa, Tomoaki Otsuka and Toshiharu Sugawara, "Spread of Cooperation in Complex Agent Networks Based on Expectation of Cooperation," Proceedings of the 19th International Conference on Principles and Practice of Multi-Agent Systems (PRIMA-2016), Lecture Notes in Artificial Intelligence (LNAI), Vol. 9862, pp. 76-91, Springer, Phuket, Thailand, Aug. 22-26, 2016. Springer Link DOI: 10.1007/978-3-319-44832-9_5

• Yuki Hirahara, Fujio Toriumi and Toshiharu Sugawara, "Cooperation-Dominant Situations in SNS-norms Game on Complex and Facebook Networks," New Generation Computing, Vol. 34, No. 3, pp. 273-289, Ohmsha Ltd. and Springer, 2016. Springer Link, DOI: 10.1007/s00354-016-0305-z, Springer Nature SharedIt
  (This paper is also published in Transactions of the Japanese Society for Artificial Intelligence, 2015. DOI: 10.1527/tjsai.JWEIN-K, J-Stage).

• Yuki Miyashita, Masashi Hayano and Toshiharu Sugawara, "Formation of Association Structures Based on Reciprocity and Their Performance in Allocation Problems," Coordination, Organizations, Institutions, and Norms in Agent Systems XI (COIN book 2015), Lecture Notes in Artificial Intelligence (LNAI), Vol. 9628, pp. 1-20, Springer, 2016. Springer Link, DOI: 10.1007/978-3-319-42691-4 15

• Chia Wei Yeh and Toshiharu Sugawara, "Solving Coalition Structure Generation Problem with Double-Layered Ant Colony Optimization," Proceedings of the 5th IIAI International Congress on Advanced Applied Informatics (IIAI AAI 2016), pp. 65-70, IEEE Xplore, Kumamoto, Japan, July 10-14, 2016. DOI 10.1109/IIAI-AAI.2016.57 IEEE Xplore

• Kengo Saito and Toshiharu Sugawara, "Assignment Problem with Preference and an Efficient Solution Method without Dissatisfaction," Proceedings of 10th International KES Conference on Agents and Multi-Agent Systems: Technologies and Applications, Smart Innovation, Systems and Technologies Series, Vol. 58, pp 33-44, Springer, Spain, June 15-17, 2016. Springer Link DOI: 10.1007/978-3-319-39883-9_3

• Ryosuke Shibusawa, Tomoaki Otsuka and Toshiharu Sugawara, "Emergence of Cooperation in Complex Agent Networks Based on Expectation of Cooperation," Proceedings of the 15th International Conference on Autonomous Agents and Multiagent Systems (AAMAS2016), pp 1333-1334, May 9-13, 2016. IFAAMAS online, DOI: 10.5555/2936924.2937146

• Kengo Osaka, Fujio Toriumi, and Toshiharu Sugawara, "Effect of Direct Reciprocity on Social Networking Services," Proceedings of the 6th International Workshop on Emergent Intelligence on Networked Agents, WEIN-16, (held in conjunction with of the 15th International Conference on Autonomous Agents and Multiagent Systems), pp. 9-16, Singapore, May 10, 2016. online

• Masashi Hayano, Yuki Miyashita and Toshiharu Sugawara, "Switching Behavioral Strategies for Effective Team Formation by Autonomous Agent Organization," Proceedings of the 8th International Conference on Agents and Artificial Intelligence, pp. 56-65, Rome, Italy, Feb. 24-26, 2016. DOI: 10.5220/0005748200560065, Online

2015

• Kengo Saito and Toshiharu Sugawara, "Allocating Resources based on Multiple Bid Declaration with Preference," ACIS International Journal of Computer and Information Science, Vol. 16, No. 4, pp. 30 - 40, ACIS U.S.A., 2015. (ISSN 2375-964X) online

• Ryutaro Kawaguchi, Masashi Hayano, and Toshiharu Sugawara, "Balanced Team Formation for Tasks with Deadlines," Proceedings of 2015 IEEE/WIC/ACM International Conference on Web Intelligence and Intelligent Agent Technology (WI-IAT 15), IEEE Computer Society Press, Singapore, Dec. 6-9, 2015 (full paper). DOI: 10.1109/WI-IAT.2015.57 IEEE Xplore

• Keisuke Yoneda, Ayumi Sugiyama, Chihiro Kato, and Toshiharu Sugawara, "Learning and relearning of target decision strategies in continuous coordinated cleaning tasks with shallow coordination," Web Intelligence, Vol. 13, No. 4, pp. 279-294, 18 November, 2015. DOI: 10.3233/WEB-150326, online and pdf

• Yumeno Shiba, Haruna Umegaki, and Toshiharu Sugawara, "Fair Assessment of Group Work by Mutual Evaluation with Irresponsible and Collusive Students Using Trust Networks," Proceedings of the 18th International Conference on Principles and Practice of Multi-Agent Systems (PRIMA-2015), Lecture Notes in Artificial Intelligence (LNAI), Vol. 9387, pp. 528-537, Springer, Bertinoro, Italy, Oct. 26-30, 2015. Springer Link DOI: 10.1007/978-3-319-25524-8_35

• Yuki Miyashita, Masashi Hayano and Toshiharu Sugawara, "Self-Organizational Reciprocal Agents for Conflict Avoidance in Allocation Problems," Proceedings of 9th IEEE International Conference on Self-Adaptive and Self-Organizing Systems (SASO 2015), pp 151-155, IEEE Xplore, Cambridge, MA, September 21-15, 2015. DOI: 10.1109/SASO.2015.24, IEEE Xplore

• Vourchteang Sea and Toshiharu Sugawara, "Area Partitioning Method with Learning of Dirty Areas and Obstacles in Environments for Cooperative Sweeping Robots," Proceedings of the 4th IIAI International Congress on Advanced Applied Informatics (IIAI AAI 2015), pp. 523-529, IEEE Xplore, July 12-16, 2015. DOI: 10.1109/IIAI-AAI.2015.261, (Best Student Paper Award) IEEE Xplore

• Kengo Saito and Toshiharu Sugawara, "Single-Object Resource Allocation in Multiple Bid Declaration with Preferential Order," Proceedings of the 14th IEEE/ACIS International Conference on Computer and Information Science (ICIS 2015), pp. 341-348, IEEE Xplore, Las Vegas, USA, June 28-July 1, 2015. DOI: 10.1109/ICIS.2015.7166617, IEEE Xplore

• Ayumi Sugiyama and Toshiharu Sugawara, "Autonomous Strategy Learning and Forgetting in Unknown and Changeable Environment for Multi-agent Continuous Cleaning Task," Trans. of the Inst. of Electronics, Information and Communication Engineers D (in Japanese), Vol. J98-D, No.6, pp. 862-872, Jun. 2015. IEICE Transactions Online, DOI: 10.14923/transinfj.2014SWP0023

• Ryosuke Shibusawa, Toshiharu Sugawara, "Norm Learning with Propagation of Influential Weight in Complex Networks," Trans. of the Inst. of Electronics, Information and Communication Engineers D (in Japanese), Vol. J98-D, No.6, pp. 873-883, Jun. 2015. IEICE Transactions Online, DOI: 10.14923/transinfj.2014SWP0027.

• Yuki Miyashita, Masashi Hayano and Toshiharu Sugawara, "Association Formation Based on Reciprocity for Conflict Avoidance in Allocation Problems," Proceedings of Workshop on Coordination, Organizations, Institutions and Norms in Agent Systems (COIN 2015), (held in conjunction with the 12th International Conference on Autonomous Agents and Multiagent Systems (AAMAS2015)), pp. 143-157, Istanbul, Turkey, May 4-8, 2015. IFAAMAS online

• Ayumi Sugiyama and Toshiharu Sugawara, "Meta-Strategy for Cooperative Tasks with Learning of Environments in Multi-Agent Continuous Tasks," Proceedings of the 30th ACM/SIGAPP Symposium On Applied Computing (ACM SAC 2015), pp. 494-500, Salamanca, Spain, April 13-17, 2015. (Best Paper Award) ACM DL DOI: 10.1145/2695664.2695878

2014

• Masashi Hayano, Dai Hamada and Toshiharu Sugawara, "Role and Member Selection in Team Formation Using Resource Estimation for Large-Scale Multi-Agent Systems," Neurocomputing, Volume 146, Pages 164-172, Elsevier, ISSN: 0925-2312, Dec. 25 2014. (IF=6.0, 2022), ScienceDirect DOI: 10.1016/j.neucom.2014.04.059

• Ayumi Sugiyama and Toshiharu Sugawara, "Autonomous Strategy Determination with Learning of Environments in Multi-Agent Continuous Cleaning," Proceedings of the 17th International Conference on Principles and Practice of Multi-Agent Systems (PRIMA-2014), LNCS Vol. 8861, pp. 455 - 462, Gold Coast, Australia, Dec. 1-5, 2014. DOI: 10.1007/978-3-319-13191-7_36, Springer Link

• Yuki Hirahara, Fujio Toriumi and Toshiharu Sugawara, "Evolution of Cooperation in SNS-norms Game on Complex Networks and Real Social Networks," Social Informatics, -- Proceedings of the 6th International Conference on Social Informatics (SocInfo 2014), LNCS Vol. 8851, pp. 112-120, Barcelona, Spain, Nov. 10-13, 2014. DOI: 10.1007/978-3-319-13734-6_8, Springer Link

• Yumeno Shiba and Toshiharu Sugawara, "Fair assessment of group work by mutual evaluation based on trust network," Proceedings of 2014 IEEE Frontiers in Education Conference (IEEE FIE 2014), pp. 821-827, IEEE Xplore, Madrid, Spain, Oct. 22-25, 2014. IEEE Xplore DOI: 10.1109/FIE.2014.7044121

• Ryosuke Shibusawa and Toshiharu Sugawara, "Norm Emergence via Influential Weight Propagation in Complex Networks," Proceedings of the First European Network Intelligence Conference (ENIC 2014), pp. 30-37, IEEE Xplore, Wroclaw, Poland, September 29-30, 2014. DOI: 10.1109/ENIC.2014.28 IEEE Xplore

• Toshiharu Sugawara, "Emergence of Conventions for Efficiently Resolving Conflicts in Complex Networks," Proceedings of 2014 IEEE/WIC/ACM International Conference on Intelligent Agent Technology (IAT-14), pp. 222-229, IEEE Computer Society Press, Warsaw, Poland, Aug. 11-14, 2014. DOI: 10.1109/WI-IAT.2014.171 IEEE Xplore

• Yuki Hirahara, Fujio Toriumi and Toshiharu Sugawara, "Cooperation-dominant Situations in Meta-rewards Games on WS- and BAmodel Networks," Computer Software (in Japanese), Vol. 31, No. 2, pp. 211-221, Iwanami Shoten, 2014. DOI: 10.11309/jssst.31.3_211 J-Stage

• Toshiharu Sugawara, "Emergence of Conventions in Conflict Situations in Complex Agent Network Environments," Proceedings of the 13th International Conference on Autonomous Agents and Multiagent Systems (AAMAS2014), pp. 1459-1460, Paris, France, May 5 - 9, 2014. onlline

• Kazuki Urakawa and Toshiharu Sugawara, "Learning of Task Allocation Method Based on Reorganization of Agent Networks in Known and Unknown Environments," Journal of Information Processing (JIP), Vol. 22, No. 2, pp. 289 - 298, 2014.jstage DOI: 10.2197/ipsjjip.22.289

2013

• Chihiro Kato and Toshiharu Sugawara. "Decentralized Area Partitioning for a Cooperative Cleaning Task," Proceedings of the 16th International Conference on Principles and Practice of Multi-Agent Systems (PRIMA-2013), pp. 470-477, Duneden, New Zealand, Dec. 3-6, 2013. DOI: 10.1007/978-3-642-44927-7_36, Springer Link

• Keisuke Yoneda, Chihiro Kato, and Toshiharu Sugawara, "Autonomous Learning of Target Decision Strategies without Communications for Continuous Coordinated Cleaning Tasks," Proceedings of 2013 IEEE/WIC/ACM International Conference on Intelligent Agent Technology (IAT-13), pp. 216 - 223, IEEE Computer Society Press, Atlanta, USA, Nov. 17-20, 2013. DOI: 10.1007/978-3-642-44927-7_36, IEEE Xplore DOI: 10.1109/WI-IAT.2013.112

• Yuki Hirahara, Fujio Toriumi, and Toshiharu Sugawara, "Evolution of Cooperation in Meta-rewards Games on Networks of WS and BA models," Proceedings of the 2nd International Workshop on Data-Oriented Constructive Mining and Multi-Agent Simulation (DOCMAS 2013) (held in conjunction with the 2013 IEEE/WIC/ACM International Conference on Intelligent Agent Technology (IAT-13)), IEEE Computer Society Press, Atlanta, USA, Nov. 17-20, 2013. IEEE Xplore DOI: 10.1109/WI-IAT.2013.165

• Yuta Kazato, Kensuke Fukuda and Toshiharu Sugawara, "Towards classification of DNS erroneous queries," Proceedings of the Asian Internet Engineering Conference 2013 (AINTEC2013), pp. 25-32, Chiang Mai, Thailand, Nov. 13-15, 2013. ACM DL

• Toshiharu Sugawara, "Task Allocation Strategy Based on Variances in Bids for Large-Scale Multi-Agent Systems" Proceedings of the 9th International Conference on Artificial Intelligence Applications and Innovations (IFIP AIAI 2013), IFIP Advances in Information and Communication Technology Series, Vol. 412, pp. 110-120, Springer, Sep. 30 - Oct. 2, 2013. Springer Link

• Kazuki Urakawa and Toshiharu Sugawara, "Task Allocation Method Combining Reorganization of Agent Networks and Resource Estimation in Unknown Environments," Proceedings of the 3rd International Conference on Innovative Computing Technology (INTECH 2013), pp. 383-388, IEEE Computer Society Press, London, Aug. 29-31, 2013. (Best Paper Award) IEEE Xplore

• Dai Hamada and Toshiharu Sugawara, "Autonomous Decision on Team Roles for Efficient Team Formation by Parameter Learning and its Evaluation," Intelligent Decision Technologies Journal, Vol. 7, No. 3, pp. 163-174, IOS press, June, 2013. online

• Masashi Hayano, Dai Hamada and Toshiharu Sugawara, "Role and Member Selection in Team Formation Using Resource Estimation," Proceedings of the 7th International KES Conference on Agents and Multi-agent Systems - Technologies and Applications (KES-AMSTA 2013) (published as Frontiers in Artificial Intelligence and Applications, Vol. 252), pp. 125-136, IOS Press, Hue City, Vietnam, May 27-29, 2013. online

• Yoshiki Kanda, Romain Fontugne, Kensuke Fukuda and Toshiharu Sugawara, "ADMIRE: Anomaly Detection Method Using Entropy-based PCA with Three-step Sketches," Computer Communications, Vol. 36, Issue 5, pp. 575-588, Elsevier B. V., March 1, 2013. Science Direct

2012

• Kazuki Urakawa and Toshiharu Sugawara, "Reorganization of Agent Networks with Reinforcement Learning based on Communication Delay," Proceedings of 2012 IEEE/WIC/ACM International Conference on Intelligent Agent Technology (IAT-12), pp. 324-331, IEEE Computer Society Press, Macau, Dec. 4-7, 2012. IEEE Xplore

• Dai Hamada and Toshiharu Sugawara, "Two-Sided Parameter Learning of Role Selections for Efficient Team Formation," Proceedings of the 15th International Conference on Principles and Practice of Multi-Agent Systems (PRIMA-2012), Lecture Notes in Artificial Intelligence (LNAI), Vol. 7455, pp. 122-136, Kuching, Malaysia, September 3-7, 2012. Springer Link

• Yuki Ueno and Toshiharu Sugawara, "Model of Generational Learning by Infant Agents in a Polyphyletic Group and its Characteristics," IPSJ Transactions on Mathematical Modeling and its Applications (in Japanese), Information Processing Society of Japan (IPSJ), Vol. 5, No. 3, pp. 32-40, September, 2012. IPSJ Digital Library (in Japanese)

• Dai Hamada and Toshiharu Sugawara, "Deciding Roles for Efficient Team Formation by Parameter Learning," Proceedings of the 6th International KES Conference on Agents and Multi-agent Systems - Technologies and Applications (KES-AMSTA 2012), LNCS Vol. 7327, pp. 544-553, Dubrovnik, Croatia, June 25-27, 2012. Springer Link

• Daiki Sato and Toshiharu Sugawara, "Influence of Environment Change in Team Formation and Team-Formation Learning in Multi-agent Environments," Transactions on Mathematical Modeling and its Applications (in Japanese), Vol. 5, No. 1, pp. 40-49, Information Processing Society of Japan (IPSJ), March, 2012. IPSJ Digital Library (in Japanese)

• Toshiharu Sugawara, Kensuke Fukuda, Toshio Hirotsu and Satoshi Kurihara, "Effect of Alternative Distributed Task Allocation Strategy Based on Local Observations in Contract Net Protocol," Principles and Practice of Multi-Agent Systems, LNCS Vol. 7057, pp. 90-104, Springer, Feb., 2012, (Selected from Proceedings of the 13th international conference on Principles and Practice of Multi-Agent Systems).
  DOI: 10.1007/978-3-642-25920-3. Springer Link

2011

• Kensuke Takahashi, Toshio Hirotsu and Toshiharu Sugawara, "Adaptive Routing Point Control in Virtualized Local Area Networks Using Particle Swarm Optimizations," Proceedings of the 23rd IEEE International Conference on Tools with Artificial Intelligence (ICTAI 2011), pp. 352-360, Boca Raton, FL, USA, Nov. 7-9, 2011. IEEE Xplore, DOI: 10.1109/ICTAI.2011.59

• Yuta Watanabe, Satoshi Kurihara and Toshiharu Sugawara, "Sensor Network Topology Estimation Using Incremental Estimation Model," Transactions on Mathematical Modeling and its Applications (in Japanese), Vol. 4, No. 4, pp. 37-48, Information Processing Society of Japan (IPSJ), 2011. IPSJ online  (in Japanese)

• Kento Yorozuya and Toshiharu Sugawara, "A Method for Ease of Traffic Congestion Using Traffic Congestion Reducer," Transactions on Mathematical Modeling and its Applications (in Japanese), Vol. 4, No. 4, pp. 1-9, Information Processing Society of Japan (IPSJ), 2011. IPSJ Digital Library (in Japanese)

• Dai Hamada and Toshiharu Sugawara, "Utility-based coalition formation methods using reinforcement learning and their evaluation," Proceedings of the 10th Forum on Information Technology (FIT2011, referred) (in Japanese), IEICE/IPSJ, Hakodate University, Sep. 7-9, 2011. IPSJ Digital Library (in Japanese)

• Ryota Katayanagi and Toshiharu Sugawara, "Efficient Team Formation based on Learning and Reorganization and Influence of Communication Delay," Proceedings of the 11th IEEE International Conference on Computer and Information Technology (CIT-2011), pp. 563-570, Pafos, Cyprus, Aug.31-Sep.2, 2011. IEEE Xplore

• Toshiharu Sugawara, "Emergence and Stability of Social Conventions in Conflict Situations," Proceedings of the 22nd International Joint Conference on Artificial Intelligence (IJCAI-11), pp. 371-378, Barcelona, Spain, July 16 - 22, 2011. DOI: 10.5591/978-1-57735-516-8/IJCAI11-071, Online proceedings

• Yuta Watanabe, Satoshi Kurihara and Toshiharu Sugawara, "Sensor Network Topology Estimation Using Reaction Interval Distribution," Proceedings of International Workshop of Sensor Data Mining (IWSDM2011), pp. 1-5, Penghu, Taiwan, 12-15 June, 2011. pdf

• Toshiharu Sugawara, "Emergence of Norms for Social Efficiency in Partially Iterative Non-Coordinated Games," Proceedings of the 10th International Joint Conference on Autonomous Agents and Multiagent Systems (AAMAS2011), pp. 1193-1194, Taipei, Taiwan, May 2 - 6, 2011. ACM digital library, DOI: 10.5555/2034396.2034483

• Masayuki Ohta, Shu Sugimoto, Kensuke Fukuda, Toshio Hirotsu, Osamu Akashi and Toshiharu Sugawara, "Analysis of Time-series Correlations of Packet Arrivals to Darknet and Their Size- and Location-dependencies," Computer Software (in Japanese), Vol. 28, No. 2, Iwanami Shoten, May 2011. J-STAGE (2011 Best Research Paper Award)

• Masayuki Ohta, Yoshiki Kanda, Kensuke Fukuda and Toshiharu Sugawara, "Analysis of Spoofed IP Traffic Using Time-to-Live and Identification Fields in IP Headers," Proceedings of IEEE the Seventh International Symposium on Frontiers in Networking with Applications (FINA 2011), pp. 355-361, Biopolis, Singapore, March, 2011. IEEE Xplore

• Shin-ya Sato, Kensuke Fukuda, Toshio Hirotsu and Toshiharu Sugawara, "Latent interrelationships among items in interrelationships among bloggers," Computer Software (in Japanese), Vol. 28, No. 1, pp. 145-153, February, 2011. J-STAGE

• Kensuke Takahashi, Hirotake Abe, Toshio Hirotsu and Toshiharu Sugawara, "Migration of IP Routing Points for Distributed Virtual Routing using Binary PSO," Transactions of the Japanese Society of Artificial Intelligence (in Japanese), Vol. 26, No. 1, pp. 25-33, January, 2011. J-STAGE

• Ryota Katayanagi and Toshiharu Sugawara, "Proposal of a method of effective team formation using dynamic reorganization and its evaluation," Transactions of the Japanese Society of Artificial Intelligence (in Japanese), Vol. 26, No. 1, pp. 76-85, January, 2011. J-STAGE

2010

• Yoshiki Kanda, Kensuke Fukuda and Toshiharu Sugawara, "An Evaluation of Anomaly Detection Based on Sketch and PCA," Proceedings of IEEE Global Communications Conference (GLOBECOM 2010), pp. 1-6, Miami, Florida, USA, 6-10 December, 2010. IEEE Xplore

• Toshiharu Sugawara, Kensuke Fukuda, Toshio Hirotsu and Satoshi Kurihara, "Effect of Alternative Distributed Task Allocation Strategy Based on Local Observations in Contract Net Protocol," Proceedings of the 13th international conference on Principles and Practice of Multi-Agent Systems (PRIMA 2010), IFAAMAS (International Foundation for Autonomous Agents and Multiagent Systems), pp. 144-151, Kolkata, India, Nov. 12-15, 2010.

• Yuta Watanabe, Satoshi Kurihara and Toshiharu Sugawara, "Sensor Network Topology Estimation Using Time-Series Data from Infrared Human Presence Sensors," Proceedings of the 9th Annual IEEE Conference on Sensors (SENSORS 2010), pp. 664-667, Waikoloa, Hawaii, USA, Nov. 1-4, 2010. IEEE Xplore

• Toshio Hirotsu, Kensuke Fukuda, Hirotake Abe, Satoshi Kurihara, Osamu Akashi and Toshiharu Sugawara, "Dynamic and Distributed Routing Control for Virtualized Local Area Networks," Proceedings of The 35th IEEE Conference on Local Computer Networks (LCN 2010), pp. 212-215, Denver, Colorado, USA, 11-14 October, 2010. IEEE Xplore

• Toshiharu Sugawara, Kensuke Fukuda, Toshio Hirotsu, Shin-ya Sato, Osamu Akashi and Satoshi Kurihara, "Fluctuated Peer Selection Policy and its Performance in Large-Scale Multi-agent Systems," International Journal of Web Intelligence and Agent Systems, Vol.8, No.3, pp. 255-268, 2010.

• Toshiharu Sugawara, Kensuke Fukuda, Toshio Hirotsu and Satoshi Kurihara, "Adaptive Probabilistic Task Allocation in Large-Scale Multi-Agent Systems and its Evaluation," Proceedings of the Genetic and Evolutionary Computation Conference 2010 (GECCO 2010), pp. 1311-1312, ACM, Portland, Oregon, July 7-11, 2010. ACM Digital Library

• Yutaro Hayamizu and Toshiharu Sugawara, "A clustering method using graph and synchronization," Trans. of the Inst. of Electronics, Information and Communication Engineers D (in Japanese), Vol. J93-D,　No.7, pp.1226-1235, IEICE, 1 July, 2010. Online (Extended version of our paper in the proceedings of FIT 2009 with the same title)

• Yoshiki Kanda, Kensuke Fukuda and Toshiharu Sugawara, "A Flow Analysis For Mining Traffic Anomalies," Proceedings of 2010 IEEE International Conference on Communications (ICC 2010), Cape Town, South Africa, 23-27 May, 2010. IEEE Xplore

• Toshiharu Sugawara, Kensuke Fukuda, Toshio Hirotsu and Satoshi Kurihara, "Effect of Probabilistic Task Allocation Based on Statistical Analysis of Bid Values," Proceedings of 9th International Joint Conference on Autonomous Agents and Multiagent Systems (AAMAS2010), pp. 1603-1604 Toronto, Canada, May 10 - 14, 2010. ACM Digital Library

• Kensuke Fukuda, Toshio Hirotsu, Osamu Akashi and Toshiharu Sugawara, "A PCA Analysis of daily unwanted traffic," Proceedings of the 24th IEEE International Conference on Advanced Information Networking and Applications (AINA 2010), pp. 377-384, Perth, Australia, 20-23 April, 2010. IEEE Xplore

• Toshio Hirotsu, Shinnosuke Nishitani, Hirotake Abe, Kyoji Umemura, Kensuke Fukuda, Satoshio Kurihara and Toshiharu Sugawara, "A Light-Weight Autonomous Power Saving Method for Wireless Sensor Networks," Proceedings of the Sixth International Conference on Autonomic and Autonomous Systems (ICAS 2010), pp. 188-193, Cancun, Mexico, March 7-13, 2010. DOI: 10.1109/ICAS.2010.33, IEEE CSDL and IEEE Xplore.

• Megumi Tanaka, Fujio Toriumi, Kensuke Takahashi and Toshiharu Sugawara, "Technological simulation for the interpersonal relationships in a classroom and its consideration ," Transactions on Mathematical Modeling and its Applications (in Japanese), Vol. 3, No. 1, pp. 98-108, Information Processing Society of Japan (IPSJ), Jan. 2010. IPSJ digital library

• Toshiharu Sugawara, Toshio Hirotsu and Kensuke Fukuda, "Probabilistic Award Strategy for Contract Net Protocol in Massively Multi-Agent Systems," Proceedings of the 2nd International Conference on Agents and Artificial Intelligence (ICAART 2010), pp. 165-171, Valencia, Spain, January 22-24, 2010. DOI: 10.5220/0002712201650171 online

2009

• Toshiharu Sugawara, Satoshi Kurihara, Toshio Hirotsu and Kensuke Fukuda, "Probablistic Strategy in Award Phase of Large-Scale Contract Net Protocol," Trans. of the Inst. of Electronics, Information and Communication Engineers D (in Japanese), Vol. J92-D, No. 11, pp. 1840-1850, IEICE, Nov. 2009. IEICE online

• Kensuke Takahashi, Satoshi Kurihara, Toshio Hirotsu and Toshiharu Sugawara, "Estimation of Sensor-Network Topology using Pheromonal Model," Trans. of the Inst. of Electronics, Information and Communication Engineers D (in Japanese), Vol. J92-D, No. 11, pp. 1851-1860, IEICE, Nov. 2009. IEICE online

• Shin-ya Sato, Kensuke Fukuda, Toshio Hirotsu, Satoshi Kurihara and Toshiharu Sugawara, "Estimating relevance of items on basis of proximity of user groups on blogspace," Proceedings of the 2009 IEEE/WIC/ACM International Conference on Web Intelligence (WI'09), pp. 157-164, Milano, Italy, September 15-18, 2009. IEEE Xplore

• Hayamizu Yutaro, Sugawara Toshiharu, "A clustering method using graph and synchronization," Proceedings of the 8th Forum on Information Technology (FIT2009, referred), IEICE/IPSJ, Tohoku University, September, 2009. online (FIT2009 paper award)

• Atsushi Terauchi, Osamu Akashi, Mitsuru Maruyama, Kensuke Fukuda, Toshiharu Sugawara Toshio Hirotsu and Satoshi Kurihara, "ARTISTE: Agent Organization Management System for Multi-agent Systems," Multi-Agent Systems for Society, Lecture Notes in Artificial Intelligence (LNAI), Vol. 4078, pp. 207-221, Springer, July, 2009. (This paper is selected from the proceedings of PRIMA2005), Springer Link

• Kensuke Takahashi, Satoshi Kurihara, Toshio Hirotsu, and Toshiharu Sugawara, "Estimation of Sensor Network Topology using Ant Colony Optimization," Proceedings of the 9th International Conference on Adaptive and Natural Computing Algorithms (ICANNGA 09) Revised Selected Papers, LNCS 5495, pp. 263-272, Kuopio, Finland, April 23-25, 2009. DOI: 10.1007/978-3-642-04921-7_27, Springer Link

• Hiroaki Kuroda, Toshio Hirotsu, Kensuke Fukuda, Satoshi Kurihara, Osamu Akashi and Toshiharu Sugawara, "Design and Implementation of Network Defense System using Address Migration," IPSJ Transactions on Advanced Computing Systems, Information Processing Society of Japan (in Japanese), Vol. 2, No. 1, pp. 23-32, IPSJ, 2009.

• Toshio Hirotsu, Hiroaki Hirose, Kensuke Fukuda, Osamu Akashi, Satoshi Kurihara and Toshiharu Sugawara, "Migration of the IP Routing Points for Distributed Virtual Routing," IPSJ Transactions on Advanced Computing Systems, Information Processing Society of Japan (in Japanese), Vol. 2, No. 1, pp. 123-132, IPSJ, 2009.

2008

• Shin-ya Sato, Kensuke Fukuda, Toshio Hirotsu, Satoshi Kurihara, and Toshiharu Sugawara, "Co-occurrence Analysis Focused on Blogger Communities," Proceedings of the 2008 IEEE/WIC/ACM International Conference on Web Intelligence, pp. 372-376, Sydney, Australia, Dec. 9-12, 2008. IEEE Xplore, DOI: 10.1109/WIIAT.2008.28

• Kensuke Fukuda, Toshio Hirotsu, Osamu Akashi and Toshiharu Sugawara, "Correlation among piecewise unwanted traffic timeseries," Proceedings of IEEE Globecom 2008 (GC'08 CQRPM), New Orleans, Nov. 30 - Dec. 4, 2008. IEEE Xplore, DOI: 10.1109/GLOCOM.2008.ECP.314

• Kensuke Takahashi and Toshiharu Sugawara, "Estimation of Sensor-Network Topology from Time-Series Sensor Data using Ant Colony Optimization Method," Proceedings of IEEE Swarm Intelligence Symposium 2008 (IEEE SIS 2008), St. Louis, Missouri, September 21-23, 2008. IEEE Xplore, DOI: 10.1109/SIS.2008.4668278

• Toshiharu Sugawara, Toshio Hirotsu, Satoshi Kurihara and Kensuke Fukuda, "Controling Contract Net Protocol by Local Observation for Large-Scale Multi-Agent Systems," Cooperative Information Agents XII (Proceedings of 12th International Workshop on Cooperative Information Agents (CIA2008)) Lecture Notes in Artificial Intelligence (LNAI), Vol. 5180, Springer-Verlag, pp. 206-220, Czech Technical University, Prague, Czech Republic, Sep. 10 - 12, 2008.

• Takahashi Kensuke and Sugawara Toshiharu, "Accurate Estimation for Sensor Network Topology," Proceedings of the 7th Forum on Information Technology (FIT2008), referred, IEICE/IPSJ, Keio University, September, 2008.

• Osamu Akashi, Kensuke Fukuda, Satoshi Kurihara, Hirotsu Toshio and Toshiharu Sugawara, "Application of Massively Multi-agent System to Internet Routing Management," Massively Multi-Agent Technology, (selected from Proceedings of the Joint International Workshop on Massively Multi-agent Systems (MMAS2006)), (held in conjunction with AAMAS2006), pp. 131-145, LNCS 5043, Springer, August 17, 2008.

• Osamu Akashi, Kensuke Fukuda, Toshio Hirotsu and T. Sugawara, "Policy-based BGP-control Architecture for Inter-AS Routing Adjustment Computer Communications," Computer Communications, Vol. 31, pp. 2996-3002, Elsevier, Science Direct 2008.

• Toshiharu Sugawara, Toshio Hirotsu, Satoshi Kurihara and Kensuke Fukuda, "Adaptive Manager-side Control Policy in Contract Net Protocol for Massively Multi-Agent Systems," Proceedings of 7th International Joint Conference on Autonomous Agents and Multiagent Systems (AAMAS2008), pp. 1433-1436, Estoril, Portugal, USA, May 12 - 16, 2008.

• Toshiharu Sugawara, Toshio Hirotsu, Satoshi Kurihara and Kensuke Fukuda, "Effects of Fluctuation in Manager-side Controls on Contract Net Protocol in Massively Multi-agent Systems," Proceedings of IEEE SMC International Conference on Distributed Human-Machine Systems (DHMS2008), pp. 152-157, Athens, Greek, March 9-12, 2008.

2007

• Toshiharu Sugawara, Satoshi Kurihara, Toshio Hirotsu, Kensuke Fukuda and Toshihiro Takada, "An Effective Selection of Abstract Plans for Multi-Agent Systems," Research and Development in Intelligent Systems XXXIV (Proceedings of AI-2007, the 27th SGAI International Conference on Innovative Techniques and Applications of Artificial Intelligence), Springer, pp. 223-236, Peterhouse College, Cambridge, UK, December 10-12, 2007.

• Shin-ya Sato, Kensuke Fukuda Satoshi Kurihara, Toshio Hirotsu and Toshiharu Sugawara, "Generating extensional definitions of concepts from ostensive definitions by using Web," Proceedings of the 8th International Conference on Web Information Systems Engineering (WISE2007), LNCS 4831, pp. 583-592, Springer, December 3-7, Nancy, France, 2007.

• Osamu Akashi, Toshio Hirotsu, Kensuke Fukuda and Toshiharu Sugawara, "Analysis of Diagnostic Capability for Hijacked Route Problem," Proceedings of the 7th IEEE International Workshop on IP Operations and Management (IPOM 2007), LNCS 4786, pp. 37-48, San Jose, California, USA, October 31 - November 2, 2007 (Best Paper Award)

• Kensuke Fukuda, Shin-ya Sato, Osamu Akashi, Toshio Hirotsu, Satoshi Kurihara, Toshiharu Sugawara, "Performance of Server Deployment and Selection Algorithms based on Statistical Property of Network Topology," Computer Software (in Japanese), Vol. 24, No. 4, pp. 78-87, October, 2007. J-STAGE

• Shin-ya Sato, Kensuke Fukuda, Toshiharu Sugawara and Satoshi Kurihara, "On the relationship between word bursts in document streams and clusters in lexical co-occurrence networks," IPSJ Transactions on Databases (in Japanese), Information Processing Society of Japan, Vol. 48, No. SIG 14 (TOD 35), pp. 69-81, Sep. 2007.

• Toshiharu Sugawara, Toshio Hirotsu, Satoshi Kurihara and Kensuke Fukuda, "Performance Variation Due to Interference Among a Large Number of Self-Interested Agents," Proceedings of IEEE Congress on Evolutionary Computation (IEEE CEC 2007), pp. 766-773, (oral presentation), Singapore, September 25-28, 2007. IEEE Xplore

• Toshiharu Sugawara, Kensuke Fukuda, Toshio Hirotsu and Satoshi Kurihara, "Performance Characteristics of Contract Net Protocol in Massively Multi-Agent Systems," Information Technology Letters (in Japanese), Vol. 6, pp. 165-168, IEICE/IPSJ, 2007. (FIT2007 paper award)

• Toshiharu Sugawara, Satoshi Kurihara, Toshio Hirotsu, Kensuke Fukuda and Toshihiro Takada, "Case-Based Approach to Selecting Abstract Plans in Multi-Agent Systems," Workshop Proceedings of the Seventh International Conference on Case-Based Reasoning (ICCBR'07) (be held as part of ICCBR 2007), ISBN 978-1-85923-222-4, pp. 69-78, Belfast, Northern Ireland, UK, August 13-16, 2007.

• Atsushi Terauchi, Osamu Akashi, Mitsuru Maruyama, Toshiharu Sugawara, Kensuke Fukuda, Toshio Hirotsu, Satoshi Kurihara, Keiichi Koyanagi, "Agent Organization system for Multi-agent based Network Management," Transactions of the Japanese Society of Artificial Intelligence (in Japanese), Vol. 22, No. 5, pp. 482-492, May, 2007.

• Satoshi Kurihara, Kensuke Fukuda, Shinya Sato and Toshiharu Sugawara, "Multi-agent Coordination Mechanism based on Indirect Interaction", Proceedings of the 2007 International Symposium on Frontiers in Networking with Applications (FINA 2007; All papers are invited; Held in conjunction with The IEEE 21st International Conference on Advanced Information Networking and Applications (AINA 2007)), pp. 68-72, May 21-23, 2007.

• Toshiharu Sugawara, Satoshi Kurihara, Toshio Hirotsu, Kensuke Fukuda, Toshihiro Takada, "Conflict Estimation of Abstract Plans for Multi-Agent Systems," Proceedings of 6th International Joint Conference on Autonomous Agents and Multiagent Systems (AAMAS2007), pp. 844-846, Honolulu, Hawaii, USA, May 14 - 18, 2007.

• Toshiharu Sugawara, Kensuke Fukuda, Toshio Hirotsu, Shin-ya Sato and Satoshi Kurihara, "Improvements in Performance of Large-Scale Multi-Agent Systems Based on the Adaptive/Non-Adaptive Agent Selection," In Emergent Intelligence of Networked Agents, (Eds. A. Namatame, H. Nakashima, S. Kurihara), Studies in Computational Intelligence Series (ISSN: 1860-949X), Vol. 56 (ISBN: 978-3-540-71073-8), pp. 217-230, Springer, July 3, 2007.

• Kensuke Fukuda, Toshio Hirotsu, Satoshi Kurihara, Shin-ya Sato, Osamu Akashi, Toshiharu Sugawara, "The Impact of Network Model on Performance of Load-balancing," In Emergent Intelligence of Networked Agents, (Eds. A. Namatame, H. Nakashima, S. Kurihara), Studies in Computational Intelligence Series (ISSN: 1860-949X), Vol. 56 (ISBN: 978-3-540-71073-8), pp. 23-37, Springer, July 3, 2007.

• Osamu Akashi, Atsushi Terauchi, Kensuke Fukuda, Toshio Hirotsu and Toshiharu Sugawara, "Lisp-based Agent Platform and Applications for the Inter-domain Network Managerment," Proceedings of International Lisp Conference 2007 (ILC2007), pp. 5 - 19, ALU / ACM SIGPLAN, Clare College, Cambridge, England, April 1-4, 2007.

• Toshiharu Sugawara, Satoshi Kurihara, Shin-ya Sato, Kensuke Fukuda, Osamu Akashi, and Toshio Hirotsu, "Global Performances and Strctures of Multi-Agent Systems due to Agent Selection Strategies," Trans. of the Inst. of Electronics, Information and Communication Engineers D (in Japanese), Vol.J90-D, No.3, pp. 874 - 886, IEICE, 2007.

2006

• Kensuke Fukuda, Toshio Hirotsu, Satoshi Kurihara, Shin-ya Sato, Osamu Akashi and Toshiharu Sugawara, "Dependency of Network Structures in Agent Selection and Deployment," Proceedings of 2006 IEEE/WIC/ACM International Conference on Intelligent Agent Technology (IAT2006), pp. 37-44, IEEE Computer Society Press, Hong Kong, 18 - 22 December, 2006.

• Toshiharu Sugawara, Kensuke Fukuda, Toshio Hirotsu, Shin-ya Sato and Satoshi Kurihara, "Multi-Agent Systems Performance by Adaptive/Non-Adaptive Agent Selection," Proceedings of 2006 IEEE/WIC/ACM International Conference on Intelligent Agent Technology (IAT2006), pp. 555-559, IEEE Computer Society Press, Hong Kong, 18 - 22 December, 2006.

• Osamu Akashi, Kensuke Fukuda, Toshio Hirotsu and Toshiharu Sugawara, "Policy-based BGP Control Architecture for Autonomous Routing Management," ACM SIGCOMM workshop on Internet Network Management (INM'06), pp. 77-82, Pisa, Italy, 11 September, 2006. http://research.microsoft.com/~dmaltz/inm06/program.html.

• Toshiharu Sugawara, Kensuke Fukuda, Toshio Hirotsu, Shin-ya Sato and Satoshi Kurihara, "Adaptive Agent Selection in Large-Scale Multi-Agent Systems," Proceedings of the Ninth Pacific Rim International Conference on Artificial Intelligence (PRICAI06), Springer LNCS 4099, pp. 818-822, August 7-11, Guilin, China, 2006.

• Satoshi Kurihara,　Seiichi Honda, Kenichi Fukui Koichi Moriyama, Masayuki Numao, Kensuke Fukuda, Toshio Hirotsu, Toshihiro Takada, Toshiharu Sugawara, "Getting Daily Human Habitual Behaviours from Infrared Sensor Network," Proceedings of the 3rd International Conference on Networked Sensing Systems (INSS2006), Poster/Demo session, Chicago, USA, May 31-June 2, 2006.

• Toshiharu Sugawara, Satoshi Kurihara, Toshio Hirotsu, Kensuke Fukuda, Shinya Sato and Osamu Akashi, "Total Performance by Local Agent Selection Strategies in Multi-Agent Systems," Proceedings of 5th International Joint Conference on Autonomous Agents and Multiagent Systems (AAMAS2006), pp. 601-608, Future University - Hakodate, Japan, 8 - 12 May, 2006.

• Satoshi Kurihara, Kensuke Fukuda, Shinya Sato and Toshiharu Sugawara, "How can agent know the global information without close coordination?," Proceedings of 5th International Joint Conference on Autonomous Agents and Multiagent Systems (AAMAS2006), pp. 682- 684, Future University - Hakodate, Japan, 8 - 12 May, 2006.

• Osamu Akashi, Kensuke Fukuda, Satoshi Kurihara, Hirotsu Toshio and Toshiharu Sugawara, "Application of Massively Multi-agent System to Internet Routing Management," Proceedings of the Joint International Workshop on Massively Multi-agent Systems (MMAS2006) and Challenges in Large-Scale Coordination in Multi-Agent Systems (LSMAS2006) (held in conjunction with AAMAS2006), pp. 67 - 81, Future University - Hakodate, Japan, May 9, 2006.

• Satoshi Kurihara, Kensuke Fukuda, Toshio Hirotsu, Osamu Akashi and Toshiharu Sugawara, "How Collective Intelligence Emerge in the Standard Minority Game?," in The Complex Networks of Economic Interactions: Essays in Agent-Based Economics and Econophysics, Lecture Notes in Economics and Mathematical Systems, Vol. 567 (Eds. by Akira Namatame, Taisei Kaizouji, Yuuji Aruka), pp. 279- 289, Springer, ISBN:3-540-28726-4, 2006, (This is the revised version of the paper selected from Proceedings of the 9th Workshop on Economics and Heterogeneous Interacting Agents (WEHIA2004), Kyoto University, Japan, May 27-29, 2004). Springer Link

2005

• Satoshi Kurihara, Kensuke Fukuda, Shinya Sato and Toshiharu Sugawara, "Effective Decision Making by Self-Evaluation in the Multi-Agent Environment," Proceedings of International Workshop on Internet and Network Economics (WINE2005), Springer LNCS, Vol. 3828, pp. 631-640, Hong Kong, December 15-17, 2005. Springer Link

• Osamu Akashi, Atsushi Terauchi, Kensuke Fukuda, Mitsuru Maruyama, Toshiharu Sugawara and Toshio Hirotsu, "Detection and Diagnosis of Inter-AS Routing Anomalies by Cooperative Intelligent Agents," Ambient Networks: Proceedings of 16th IFIP/IEEE Distributed Systems: Operations and Management (DSOM2005), pp. 181- 192, LNCS 3775, Springer, Barcelona, Spain October 24-26, 2005.

• Atsushi Terauchi, Osamu Akashi, Mitsuru Maruyama, Kensuke Fukuda, Toshiharu Sugawara Toshio Hirotsu and Satoshi Kurihara, "ARTISTE: Agent Organization Management System for Multi-agent Systems," Proceedings of Eighth Pacific Rim International Workshop on Multi-agents (PRIMA2005), pp. 245-260, Kuala Lumpur, September, 2005

• Kensuke Fukuda, Shin-ya Sato, Osamu Akashi, Toshio Hirotsu, Satoshi Kurihara and Toshiharu Sugawara, "On the use of Hierarchical Power-law Network Topology for Server Selection and Allocation in Multi-Agent Systems," Proceedings of 2005 IEEE/WIC/ACM International Conference on Intelligent Agent Technology (IAT2005), IEEE Computer Society Press, pp. 81-87, Compiegne University of Technology, France, 19 - 22 September, 2005.

• Toshiharu Sugawara, Satoshi Kurihara, Toshio Hirotsu, Kensuke Fukuda and Toshihiro Takada, "Predicting Possible Conflicts in Hierarchical planning for Multi-Agent Systems," Proceedings of 4th International Joint Conference on Autonomous Agents and Multiagent Systems (AAMAS2005), pp. 813-820, Utrecht University, The Netherlands, 25 - 29 July, 2005.

• Kensuke Fukuda, Shin-ya Sato, Osamu Akashi, kazuhiro Kazama, Toshio Hirotsu, Satoshi Kurihara and Toshiharu Sugawara, "Efficiency and Fairness of Load Distribution on Scale-Free Property," AAAI-2005 Workshop on LinkAnalysis (LinkAnalysis-2005) (held in conjunction with AAAI 2005), pp. 16-21, Pittsburgh, Pennsylvania, USA, 10 July, 2005.

• Satoshi Kurihara, Kensuke Fukuda, Toshio Hirotsu, Shigemi Aoyagi, Toshihiro Takada, Toshiharu Sugawara, "Multi-Agent Human-Environment Interaction Framework for the Ubiquitous Environment," Massively Multi-Agent Systems I, LNCS 3446, pp. 217-223, Springer, 2005. (This paper is the revised version of the paper selected from Proceedings of MMAS2004).

• Satoshi Kurihara, Shigemi Aoyagi, Toshihiro Takada, Toshio Hirotsu and Toshiharu Sugawara, "Agent-Based Human-Environment Interaction Framework for Ubiquitous Environment," Proceedings of 2nd International Workshop on Networked Sensing Systems (INSS2005), ISBN0-9743611-2-7, pp. 103-108, San Diego, California, USA, 27-28 June, 2005.

• Toshiharu Sugawara, Satoshi Kurihara, Shigemi Aoyagi, Koji Sato and Toshihiro Takada,　"A Method for Capturing Clickable Objects on Video Images and Its Evaluation," IPSJ Journal (in Japanese), Information Processing Society of Japan (IPSJ), Vol. 46, No. 5, pp. 1330-1342, 2005.

• Shigemi Aoyagi, Koji Sato, Toshihiro Takada, Toshiharu Sugawara and Rikio Onai, "Evaluation of Video Skimming Method to Educational Purpose Moives," IPSJ Journal (in Japanese), Information Processing Society of Japan (IPSJ), Vol. 46, No. 5, pp. 1297-1305, 2005.

• Kensuke Fukuda, Toshio Hirotsu, Osamu Akashi, and Toshiharu Sugawara, "Time and Space Correlation in BGP Message Flows," Proceedings of the International Conference on Information Networking 2005 (ICOIN 2005), LNCS 3391, Springer, pp. 215-222, Jeju, Korea, Jan 31 - Feb. 2, 2005.

2004

• Satoshi Kurihara, Kensuke Fukuda, Toshio Hirotsu, Shigemi Aoyagi, Toshihiro Takada, Toshiharu Sugawara, "Multi-Agent Human-Environment Interaction Framework for the Ubiquitous Environment," Proceedings of International Workshop on Massively Multi-Agent Systems (MMAS2004), pp. 165-178, Kyoto, Japan, December 10-11, 2004.

• Satoshi Kurihara, Kensuke Fukuda, Toshio Hirotsu, Osamu Akashi, Shinya Sato and Toshiharu Sugawara, "How collective intelligence emerge in complex environment?," Biologically Inspired Approaches to Advanced Information Technology, LNCS Vol. 3141 (ISBN 3-540-23339-3), pp. 484-495, Springer, October 13, 2004. (This paper is selected from Proceedings of bio-ADIT 2004).

• Osamu Akashi, Kensuke Fukuda, Toshio Hirotsu, Koji Sato, Mitsuru Maruyama and Toshiharu Sugawara, "Inter-AS Routing Policy Adaptation using Cooperative AISLE agents," Proceedings of XIX World Telecommunications Congress (WTC/ISS 2004), Seoul, Korea, September 12 - 15, 2004.

• Susumu Shimizu, Kensuke Fukuda, Toshio Hirotsu, Toshiharu Sugawara and Shigeki Goto, "TCP Traffic in the candlestick view," Information Technology Letters (in Japanese), Vol. 3, pp. 333 - 336, IEICE/IPSJ, 2004.

• Kensuke Fukuda, Toshio Hirotsu, Osamu Akashi, and Toshiharu Sugawara, "Analysis of Event-driven BGP Traffic Behavior," Information Technology Letters (in Japanese), Vol. 3, pp. 329-332, IEICE/IPSJ, 2004.

• Toshiharu Sugawara, Satoshi Kurihara, Kensuke Fukuda, Toshio Hirotsu, Shigemi Aoyagi and Toshihiro Takada, "Reusing Coordination and Negotiation Strategies in Multi-Agent Systems for Ubiquitous Network Environment," Proceedings of 3rd International Joint Conference on Autonomous Agents and Multiagent Systems (AAMAS2004), Vol. I, pp. 496 - 503, New York, NY, USA, July 19 - 23, 2004.

• Satoshi Kurihara, Kensuke Fukuda, Toshio Hirotsu, Shigemi Aoyagi, Toshihiro Takada and Toshiharu Sugawara, "Multi-agent Framework for Human-Environment Interaction in Ubiquitous Environment," Proceedings of the Workshop on Agents for Ubiquitous Computing (UbiAgents2004) (held in conjunction with AAMAS2004), pp. 5 - 12, New York, July 20, 2004.

• Toshiharu Sugawara, Satoshi Kurihara, Shigemi Aoyagi, Koji Sato and Toshihiro Takada, "An Implementation for Capturing Clickable Moving Objects," Proceedings of 6th Asia-Pacific Conference on Computer-Human Interaction (APCHI2004), LNCS 3101, Springer, pp. 441 - 450, Rotorua, New Zealand, June 29 - July 2, 2004.

• Satoshi Kurihara, Toshio Hirotsu, Toshihiro Takada, Osamu Akashi, and Toshiharu Sugawara, "Similar web-sites finder using user's access history" Trans. of the Inst. of Electronics, Information and Communication Engineers D-I (letter) (in Japanese), Vol. J87-D-I, No. 6, pp. 741-742, 2004.

• Satoshi Kurihara, Kensuke Fukuda, Toshio Hirotsu, Osamu Akashi and Toshiharu Sugawara, "How Collective Intelligence Emerge in the Standard Minority Game?," Proceedings of the 9th Workshop on Economics and Heterogeneous Interacting Agents (WEHIA2004), Kyoto University, Japan, May 27-29, 2004. (This paper is selected to be published in LNCS as the post proceedings)

• Kenichi Kourai, Toshio Hirotsu, Koji Sato, Osamu Akashi, Kensuke Fukuda, Toshiharu Sugawara and Shigeru Chiba, "Personal Network Integrating a VPN with Execution Environments of Hosts," Computer Software (in Japanese), Japanese Society of Software Science and Technology, Vol. 21, No. 1, pp. 2-12, 2004. (2004 Best Research Paper Award)

• Satoshi Kurihara, Kensuke Fukuda, Toshio Hirotsu, Osamu Akashi, Shinya Sato and Toshiharu Sugawara, "How collective intelligence emerge in complex environment?," Proceedings of The First International Workshop on Biologically Inspired Approaches to Advanced Information Technology (bio-ADIT), pp. 498 - 511, Lausanne, Switzerland, Jan. 29-30, 2004
  (This paper is also published in LNCS 3141 as the selected post-proceeding s).

• Shigemi Aoyagi, Kenichi Kourai, Koji Sato, Toshihiro Takada Toshiharu Sugawara and Rikio Onai, "An Implementation of Flexible-playtime Video Skimming" Proceedings of SPIE Conference on Multimedia Computing and Networking 2004 (MMCN 2004), sponsored by SPIE and ACM, pp. 178 - 186, Santa Clara, California, January 21-22, 2004

2003

• Toshiharu Sugawara, Satoshi Kurihara and Osamu Akashi, "Extraction of Implicit Resource Relationships in Multi-Agent Systems," Proceedings of Sixth Pacific Rim International Workshop on Multi-agents (PRIMA2003), Lecture Note in Artificial Intelligence Lecture Notes in Artificial Intelligence (LNAI), Vol. 2891,, pp. 37-49, Seoul, Korea, November, 2003.

• Kenichi Kourai, Toshio Hirotsu, Koji Sato, Osamu Akashi, Kensuke Fukuda, Toshiharu Sugawara and Shigeru Chiba, "Secure and Managable Virtual Private Networks for End-Users," Proceedings of 28th IEEE Conference on Local Computer Networks, pp. 385-394, Bonn, Germany, October 20 - 23, 2003.

• Toshihiro Takada, Satoshi Kurihara, Toshio Hirotsu and Toshiharu Sugawara, "Proximity Mining: Finding Proximity using Sensor Data History," Proceedings of 5th IEEE Workshop on Mobile Computing Systems and Applications (WMCSA2003), pp. 129 - 138, Monterey, California, USA, October 9-10, 2003.

• Osamu Akashi, Kenichi Kourai, Kensuke Fukuda, Toshio Hirotsu, Koji Sato, Mitsuru Maruyama, Toshiharu Sugawara, "A Flexible Policy Control Architecture for Inter-AS Routing," Proceedings of 7th Asia-Pacific Network Operations and Management Symposium (APNOMS 2003), pp. 392-403, Fukuoka, Japan, October 1-3, 2003.

• Satoshi Kurihara, Kensuke Fukuda, Toshio Hirotsu, Osamu Akashi, Shinya Sato, and Toshiharu Sugawara, "Emerging a global order by behavioral constraint and indirect coordination of collective intelligence", Information Technology Letters (in Japanese), Vol. 2, pp. 117 - 119, IEICE/IPSJ, September, 2003.

• Toshio Hirotsu, Kensuke Fukuda, Kenichi Kourai, Osamu Akashi, Koji Sato and Toshiharu Sugawara, "An Intranet Protection Architecture using Virtual Networks," IPSJ Transactions on Advanced Computing Systems, Information Processing Society of Japan, (in Japanese), Vol. 44, ACS-No.3, pp. 180 - 190, August, 2003.

• Toshiharu Sugawara, Satoshi Kurihara and Osamu Akashi, "Learning Implicit Resource Relationships from Past Plans in Multi-Agent Systems," Proceedings of International Joint Conference on Autonomous Agents and Multiagent Systems (AAMAS2003), pp. 1140 - 1141, Melbourne, Australia, July, 2003.

• Satoshi Kurihara, Kensuke Fukuda, Toshio Hirotsu, Osamu Akashi, Shinya Sato and Toshiharu Sugawara, "Simple but efficient collaboration in a complex competitive situation," Proceedings of International Joint Conference on Autonomous Agents and Multiagent Systems (AAMAS2003), pp. 1042 - 1043, Melbourne, Australia, July, 2003.

• Osamu Akashi, Toshio Hirotsu, Koji Sato, Kenichi Kourai, Mitsuru Maruyama and Toshiharu Sugawara, "Agent Support for Flexible Inter-AS Policy Control," Proceedings of SAINT2003 (2003 Symposium on Applications and the Internet) Workshops (AI Applications of the Internet) (ISBN 0-7695-1873-7), sponsored by IEEE and IPSJ, pp. 294 - 298, Orlando, Florida, USA, January, 2003. IEEE Digital Library

2002

• Satoshi Kurihara, Kensuke Fukuda, Toshio Hirotsu, Osamu Akashi, Shinya Sato and Toshiharu Sugawara, "Importance of Evolved Structure for Emerging self-organization in a complex competitive situation", Proceedings of the 8th International Conference on the Simulation and Synthesis of Living Systems (ALIFE VIII), pp. 33-37, Sydney, Australia, December 9-13, 2002.

• Satoshi Kurihara, Kensuke Fukuda, Toshio Hirotsu, Osamu Akashi, Shinya Sato and Toshiharu Sugawara, "Self-centered but cooperative behavior in a complex competitive situation," Proceedings of the 6th International Conference on Complex Systems 2002 (CS02), pp. 198 - 205, Chuo University, Tokyo, Japan, September, 2002.

• Toshiharu Sugawara, Osamu Akashi and Satoshi Kurihara, "Storing and Using Past Plans and Negotiation Results in Multiagent Systems," Proceedings of the IASTED International Conference on Artificial Intelligence and Applications (AIA2002) , pp. 387 - 393, ISBN 0-88986-352-0, Malaga, Spain, September 9-12, 2002. online

• Shigemi Aoyagi, Koji Sato, Toshihiro Takada, Toshiharu Sugawara and Rikio Onai, "Video Skimming Method for Flexible Play Time," Proceedings of the IASTED International Conference on Internet and Multimedia Systems and Applications (IMSA2002), pp. 330 - 335, ISBN 0-88986-350-4, Kauai, Hawaii, USA, August 2002. online

• Satoshi Kurihara, Toshio Hirotsu, Toshihiro Takada, Osamu Akashi, and Toshiharu Sugawara, "How to find similar web sites by using only link information," Proceedings of the SSGRR Summer - International Conference on Advances in Infrastructure for e-Business, e-Education, e-Science, and e-Medicine on the Internet, L'Aquila, Italy, July, 2002.

• Osamu Akashi, Toshiharu Sugawara, Kenichiro Murakami, Mitsuru Maruyama and K. Koyanagi, "Agent System for Inter-AS Routing Error Diagnosis," IEEE Internet Computing (Research Report), Vol. 6, No. 3, pp. 78 - 82, 2002. IEEE Xplore or IEEE digital library

• Koji Sato, Toshio Hirotsu, Kensuke Fukuda, Osamu Akashi, K. Yamazaki and Toshiharu Sugawara, "Clea: A Framework for the Coordination of Applications and Networks," Presented at the Second Workshop on Intelligent Multimedia Computing and Networking (IMMCN'2002), Proceedings of the 6th Joint Conference on Information Sciences, pp. 948 - 951, Research Triangle Park, North Carolina, March, 2002. IEEE digital library

• Satoshi Kurihara, Toshio Hirotsu, Toshihiro Takada, Osamu Akashi, and Toshiharu Sugawara, "Finding similar web sites by using link information and user's access history," Proceedings of the IASTED International Conference on Applied Informatics - Parallel and Distributed Computing and Networks (AI2002), pp. 116-121, ACTA press, Innsbruck, Austria, February 18-21, 2002.

2001

• Toshiharu Sugawara, Kenichiro Murakami and Shigeki Goto, "A Multi-agent Monitoring and Diagnostic System for TCP/IP-based Network and its Coordination," (abstract), Knowledge Based Systems Journal, Vol. 14, No. 7, Elsevier Science, pp. 367 - 383, 2001. Science Direct

• Satoshi Kurihara, Toshio Hirotsu, Toshihiro Takada, Osamu Akashi and Toshiharu Sugawara, "Finding Near-similar Web Pages by Using Link Information," Computer Software (in Japanese), Vol. 18, No. 6, pp. 15 - 26, 2001.

• Toshio Hirotsu, Toshihiro Takada, Shigemi Aoyagi Koji Sato and Toshiharu Sugawara, "A Design and Implementation of Cmew/U Web Annoations Sharing System," IPSJ Journal (in Japanese), Information Processing Society of Japan (IPSJ), Vol. 42, No. 10, pp. 2466 - 2475, 2001.

• Toshio Hirotsu, Toshihiro Takada, Satoshi Kurihara and Toshiharu Sugawara, "ARESAIN - Alternative Resource Access Information Navigator," Proceedings of the IASTED International Conference on Parallel and Distributed Computing and Systems, pp. 7 - 12, Anaheim, California, USA, August 21 - 24, 2001.

• Toshiharu Sugawara, Osamu Akashi and Satoshi Kurihara, "Maintenance of Organizational Information in Dynamic Environments," Proceedings of Fourth Pacific Rim International Workshop on Multi-agents (PRIMA2001), pp. 293 - 304, Taipei, Taiwan, July 28-29, 2001.

2000

• Satoshi Kurihara, Toshio Hirotsu, Toshihiro Takada, and Toshiharu Sugawara, "Mirror Site Navigator using Link Information," Proceedings of World Multiconference on Systemics, Cybernetics and Informatics (SCI2000), Vol. IV (Communications Systems and Networks), pp. 283 - 290, Orlando, Florida, USA, July 23-26, 2000.

• Toshiharu Sugawara, Osamu Akashi, Satoshi Kurihara and Shihya Sato, "An Organization-Related Information Maintenance Component," in Proceedings of the 4th International Conference on Multi-Agent Systems (ICMAS2000), pp. 443 - 444, Boston, MA, USA, July 10-12, 2000. IEEE Xplore

• Osamu Akashi, Toshiharu Sugawara, Kenichiro Murakami, Mitsuru Maruyama, and Naohisa Takahashi, "Multiagent-based Cooperative Inter-AS Diagnosis in ENCORE," in Proceedings of the 2000 IEEE/IFIP Network Operations and Management Symposium (NOMS 2000), pp. 521 - 534, Honolulu, Hawaii, USA, April 10 - 14, 2000. IEEE Xplore

1999

• Satoshi Kurihara, Rikio Onai and Toshiharu Sugawara, "Adaptive Reinforcement Learning Integrating Exploitation- and Exploration-Oriented Learning," Journal of Advanced Computational Intelligence, Vol. 3, No. 6, pp. 474-478, Fuji Technology Press, 1999.

• Shigemi Aoyagi, Toshihiro Takada, Koji Sato, Toshio Hirotsu, Toshiharu Sugawara and Rikio Onai, "Embedding Link Information in Audio Data," in Computer Software (in Japanese), Vol. 16, No.6, pp. 13 - 23, 1999.

• Shigemi Aoyagi, Toshihiro Takada, Koji Sato, Toshio Hirotsu, and Toshiharu Sugawara, "Cmew/A: An Access Method for Audio Data with Link Information," Proceedings of the 6th International Conference on Distributed Multimedia Systems (DMS '99) , pp. 26 - 30, Aizu, Japan, July, 1999.

• Koji Sato, Toshihiro Takada, Shigemi Aoyagi, Toshio Hirotsu, and Toshiharu Sugawara, "Dynamic Multimedia Integration with the WWW," Proceedings of the 1999 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing, pp. 448 - 451, Victoria, B.C., Canada, August, 1999.

• Osamu Akashi, Toshiharu Sugawara, Kenichiro Murakami, Mitsuru Maruyama, and Naohisa Takahashi, "Cooperative Analysis in Inter-AS Diagnostic System ENCORE," in Proceedings of the 1st International Symposium on Agent Systems and Applications (ASA/MA 99), pp. 256 - 257, Palm Springs, CA, USA, October 3-6, 1999.

• Toshio Hirotsu, Toshihiro Takada, Shigemi Aoyagi, Koji Sato and Toshiharu Sugawara, "Cmew/U - A Multimedia Web Annotation Sharing System -," Proceedings of the IEEE Region 10 Conference (TENCON'99), pp. 356 - 359, Jeju, Korea, September, 1999.

• Osamu Akashi, Toshiharu Sugawara, Kenichiro Murakami, Mitsuru Maruyama, and Naohisa Takahashi, "ENCORE: An Inter-AS Diagnostic System Using Cooperative Distributed Agents," in Transactions of Information Processing Society of Japan (in Japanese), Vol. 40, No.4, pp. 1 - 10, 1999. (abstract in English)

• Koji Sato, Toshihiro Takada, Shigemi Aoyagi, Toshio Hirotsu, Toshiharu Sugawara and Rikio Onai, "Implementation of Scenario Control Mechanisms in Cmew," in Computer Software (in Japanese), Vol. 16, No.3, pp. 47 - 56, 1999.

• Satoshi Kurihara and Toshiharu Sugawara, "Adaptive Reinforcement Learning System Integrating Exploitation-oriented and Exploration-oriented Learning," in Computer Software (in Japanese), Vol. 16, No.2, pp. 56 - 61, 1999.

1998

• Toshiharu Sugawara and Victor R. Lesser,"Learning to Improve Coordinated Actions in Cooperative Distributed Problem-Solving Environment," in Machine Learning Vol. 33, No.2/3, pp. 129 - 153, Springer (Kluwer Academic Publishers), 1998. (abstract) Springer Link

• Satoshi Kurihara, Toshiharu Sugawara and Rikio Onai, "Self-organization based on Non-linear Non-equilibrium Dynamics of Autonomous Agents," Journal of Artificial Life and Robotics, Vol. 2, pp. 102-107 Springer-Verlag, 1998.

• Satoshi Kurihara, Shigemi Aoyagi, Toshiharu Sugawara and Rikio Onai,"Adaptive Selection of Reactive/Deliberate Planning for a Dynamic Environment," Journal of Robotics and Autonomous Systems, Vol. 24, No. 3-4, pp. 183-195, Elsevier Science, 1998.

• Toshihiro Takada, Koji Sato, Shigemi Aoyagi, Toshio Hirotsu and Toshiharu Sugawara,"Cmew: Integrating Continous Media with the Web," Proceedings of Multimedia Technology and Applications Conference (MTAC) Sponsored by IEEE , pp. 136 - 140, Anaheim, CA, USA, September, 1998.

• Osamu Akashi, Toshiharu Sugawara, Kenichiro Murakami, Mitsuru Maruyama, and Naohisa Takahashi, "Inter-Autonomous-System Diagnosis using Cooperative Reflector Agents," in Proceedings of 2nd IEEE International Conference on Intelligent Processing Systems (ICIPS98), pp. 227-232, Gold Coast, Australia, August 4-7,1998.

• Toshiharu Sugawara and Satoshi Kurihara,"Learning Message-Related Coordination Control in Multiagent Systems," Proceedings of the 4th Australian workshop on Distributed Artificial Intelligence, Lecture Notes in Computer Science, Vol. 1544, pp. 29-44, Springer, Brisbane, Australia, July, 1998. DOI: 10.1007/10693067_3, Springer Link

• Satoshi Kurihara, Rikio Onai and Toshiharu Sugawara,"Multi-Agent Reinforcement Learning System Integrating Exploitation- and Exploration-oriented Learning," Proceedings of the 4th Australian workshop on Distributed Artificial Intelligence, Lecture Notes in Computer Science, Vol. 1544, pp. 45-57, Springer, Brisbane, Australia, July, 1998, DOI: 10.1007/10693067_4, Springer Link

Before 1997

• Toshiharu Sugawara, "Plan Reuse in Cooperative, Distributed Problem Solving," Systems and Computers in Japan, Vol. 28, No. 6, pp. 60-67, 1997. Weily Online Library
  DOI: 10.1002/(SICI)1520-684X(19970615)28:6<60::AID-SCJ7>3.0.CO;2-K

• Toshiharu Sugawara, "Plan Reuse in Cooperative Distributed Problem Solving," Trans. of the Inst. of Electronics, Information and Communication Engineers D-II (in Japanese), Vol. J79-D-II, No. 6, pp. 1098-1105, 1996. IEICE digital library, CiNii

• K. Horikawa, M. Aida and Toshiharu Sugawara, "Traffic Control Scheme under the Communication Delay of High-speed Networks," Proceedings of the 2nd International Conference on Multi-Agent Systems (ICMAS96), pp. 111-117, Kyoto, Japan, December, 1996. AAAI Library or AAAI Abstract

• Toshiharu Sugawara, "Reusing Past Plans in Distributed Planning," Proceedings of the 1st International Conference on Multi-Agent Systems (ICMAS95), pp. 360-367, San Francisco, CA, USA, January, 1995. AAAI Library or AAAI Abstract

• Toshiharu Sugawara and V. Lesser, "Learning Coordination Plans in Distributed Problem-Solving Environments," Proceedings of the 1st International Conference on Multi-Agent Systems (ICMAS95), pp. 462 (poster), San Francisco, CA, USA, January, 1995. AAAI Library

• Toshiharu Sugawara, "Plan Reuse in Cooperative Distributed Problem Solving," In Proceedings of the Seventh Australian Joint Conference on Artificial Intelligence (AI94), pp. 346-353, Armidale, Australia, November, 1994.

• Toshiharu Sugawara, "Using Action Benefits and Plan Certainties in Multiagent Problem Solving," Proceedings of IEEE Conference on Artificial Intelligence Applications, pp. 407-413, Orlando, FL, USA, March, 1993. IEEE Xplore DOI: 10.1109/CAIA.1993.366638

• Toshiharu Sugawara and Victor Lesser, "On-Line Learning of Coordination Plans," Proceedings of the 12th International AAAI Workshop on Distributed Artificial Intelligence, pp. 335-377, Hidden Valley, Pensylvania, May 19-21, 1993 (Longer version of this paper is also available from: Sugawara, T. and Lesser, V. R. "On-Line Learning of Coordination Plans," COINS Technical Report, 93-27, Univ. of Massachusetts at Amhest, 1993 CiteSeer).

• Toshiharu Sugawara, "Construction of a Knowledge Base by Means of Inter-Frame Structures," Systems and Computers in Japan, Vol. 24, No. 12, pp. 22-30, 1993. pdf  (Translated from "Aiding the Construction of Knowledgebase Based on Inter-Frame Structures," which was published in 1992 in Japanese).

• Toshiharu Sugawara, "A Method for Detecting an Acking Ack Problem in TCP/IP-Based Internetworks," Trans. of the Inst. of Electronics, Information and Communication Engineers D-I (in Japanese), Vol. J75-D-I, No. 1, pp.59-62 Short Note, 1992. (abstract in English and Japanese)

• Toshiharu Sugawara, "A Diagnostic and Observation Expert System for Large TCP/IP-Based Internetworks," Systems and Computers in Japan, Vol. 23, No. 2, pp. 14-23, 1992.

• Toshiharu Sugawara, "Aiding the Construction of Knowledgebase Based on Inter-Frame Structures," Trans. of the Inst. of Electronics, Information and Communication Engineers D-II (in Japanese), Vol. J75-D-II, No. 3, pp.601-607, 1992. online

• Toshiharu Sugawara, "Cooperation in Multiagent Systems by Hypothesis-Based Advanced Reasoning," Proceedings of 11th International Workshop on Distributed Artificial Intelligence, pp. 355 - 369, Glen Arbor, Michigan, USA, February 25-29, 1992.

• Toshiharu Sugawara and Kenichiro Murakami "A Multiagent Diagnostic System for Internetwork Problems," Proceedings of INET'92, pp. 317-325, Kobe, Japan, 1992. online

• Kenichiro Murakami and Toshiharu Sugawara, "ISDN Internet for FIPTH: Fast IP to The Home --- Development of MLP-over-ISDN Protocol," Proceedings of INET'92, pp. 127 - 131, Kobe, Japan, June, 1992. online

• Toshiharu Sugawara, "A Diagnostic and Observation Expert System for Large TCP/IP-Based Internetworks," Trans. of the Inst. of Electronics, Information and Communication Engineers D-I (in Japanese), Vol. J73-D-1, No. 12, pp. 990-996, December 1990.

• Toshiharu Sugawara, "Communication Strategy Decision by Costs," Proceedings of 10th International Workshop on Distributed Artificial Intelligence, Sponsored by AAAI and MCC, Chapter 20, pp. 1-9, Bandera, Texas, USA, October 23-27, 1990. (abstract)

• Toshiharu Sugawara, "A Cooperative LAN Diagnostic and Observation Expert System," Proceedings of IEEE International Phoenix Conference on Computer and Communications, pp.667-674, Scottsdale, Arizona, USA, March, 1990. (abstract) IEEE Xplore DOI: 10.1109/PCCC.1990.101684

• Toshiharu Sugawara, "Extracting rules from data with exceptions," Proceedings of the 7th Conference of the Canadian Society for Computational Studies of Intelligence (CSCSI-88), pp 177-183, Edmonton, Canada, June 6-10, 1988. (abstract) online

• Yutaka Ogawa, Kenichi Shima, Toshiharu Sugawara and Shigeru Takagi,"Knowledge Representation and INference Environment: KRINE, --- An Approach to Integration of Frame, Prolog, and Graphics." Proceedings of the International Conference on Fifth Generation Computer Systems, pp.643-651, Keio Plaza Hotel, Tokyo, Japan, November 6-9, 1984.

• Hirofumi Yamada and Toshiharu Sugawara, "Tensor Products of Singular Holomorphic Representations of SU(n,n) and Mp(N,R)," Proceedings of the Japan Academy, Vol. 58, Ser.A, No.7, pp. 315-318, 1982.

.... and Others

• Internet management with multi-agent systems, Lesser's "First 50": Celebrating the First 50 Years of Victor Lesser's Career in Computing, University of Massachusetts, Amherst., Invited Talk: April 2011. program and stored PDF

• Iyad Rahwan, Wayne Wobcke, Sandip Sen and Toshiharu Sugawara (Eds.), PRIMA 2012: Principles and Practice of Multi-Agent Systems, Lecture Notes in Artificial Intelligence (LNAI), Vol. 7455, Springer, September, 2012. On line

• Toshiharu Sugawara, Toshio Hirotsu, Satoshi Kurihara and Kensuke Fukuda, "Characteristics of Contract-Based Task Allocation by a Large Number of Self-Interested Agents," Evolutionary Computation, Ed: W. P. dos Santos, Chapter 19, IN-TEH (I-Tech Education and Publishing), pp. 359 - 374, 2009.

• Satoshi Kurihara, Kensuke Fukuda, Shinya Sato and Toshiharu Sugawara, "Indirect Coordination Mechanism of MAS," Multiagent Systems (ISBN 978-3-902613-51-6), Eds: Salman Ahmed and Mohd Noh Karsiti, Chapter 10, IN-TECH, pp. 221 - 232, 2009.

• Nadeem Jamali, Paul Scerri and Toshiharu Sugawara (Eds.), Massively Multi-Agent Technology, Lecture Notes in Artificial Intelligence, (LNAI), Vol. 5043, Springer, August 4, 2008. (See this flyer or this page)

• Toshiharu Sugawara, "Intelligence Networks," (Chapter 6) in High-Speed Network Technology (in Japanse), edited by N. Fujii, Ohmsha, 2000.

• Toshiharu Sugawara and Satoshi Kurihara, "Learning Message-Related Coordination Control in Multiagent Systems," Multi-Agent Systems -- Theories, Languages, and Applications, Lecture Notes in -- -- Artificial Intelligence (LNAI), Vol. 1544, pp. 29 - 44, Springer-Verlag, (selected from Proceedings of the 4th Australian workshop on Distributed Artificial Intelligence , 1998), 1999.

• Satoshi Kurihara, Rikio Onai and Toshiharu Sugawara,"Multi-Agent Reinforcement Learning System Integrating Exploitation- and Exploration-oriented Learning," Multi-Agent Systems -- Theories, Languages, and Applications, Lecture Notes in Artificial Intelligence (LNAI), Vol. 1544, pp. 45 - 57, Springer-Verlag, (selected from Proceedings of the 4th Australian workshop on Distributed Artificial Intelligence , 1998), 1999.

• Toshiharu Sugawara, "Self-diagnostic Computer Networks." AI Kisou Kyoku (Japanese book title meaning ``AI Capriccio''), edited by Ikuto Takeuchi, pp. 128 - 144, NTT Publishing Co., 1992.

• Outstanding Paper Award in 12th IIAI International Congress on Advanced Applied Informatics (SCAI 2022 in IIAI AAI 2022), "Identifying Top-k Peaks Using an Extended Particle Swarm Optimization Algorithm with Re-diversification Mechanism," July 2022.

• Best paper award in 2021 academic year, The Institute of Electronics, Information and Communication Engineers (IEICE), "Fair and Effective Elevator Car Dispatching Method for Elevator Group Control System Using Noisy Information from Cameras," May 2022.

• The 22nd Best Research Paper Award, "Detecting malicious domains with probabilistic threat propagation on DNS graph," Japanese Society of Software Science and Technology (JSSST), August 2018.

• Best Paper Award, in the 30th ACM/SIGAPP Symposium On Applied Computing (ACM SAC 2015), "Meta-Strategy for Cooperative Tasks with Learning of Environments in Multi-Agent Continuous Tasks," Salamanca, Spain, April 13-17, 2015.

• The 17th Best Research Paper Award, "Analysis of Time-series Correlations of Packet Arrivals to Darknet and Their Size- and Location-dependencies," Japanese Society of Software Science and Technology (JSSST), September, 2013.

• Best Paper Award, "Task Allocation Method Combining Reorganization of Agent Networks and Resource Estimation in Unknown Environments," the 3rd International Conference on Innovative Computing Technology (INTECH 2013), IEEE Computer Society Press, London, Aug. 29-31, 2013.

• Forum on Information Technology 2009 (FIT2009) Paper Award, "A clustering method using graph and synchronization," Sponsored by Institute of Electronics, Information and Communication Engineers (IEICE) and Information Processing Society of Japan (IPSJ), September 3, 2009.

• Best Paper Award, IEEE 7th International Workshop on IP Operations and Management (IPOM2007), "Analysis of Diagnostic Capability for Hijacked Route Problem," October 31 - November 2, 2007

• Forum on Information Technology 2007 (FIT2007) Paper Award, "Performance Characteristics of Contract Net Protocol in Massively Multi-Agent Systems," Sponsored by Institute of Electronics, Information and Communication Engineers (IEICE) and Information Processing Society of Japan (IPSJ), September 6, 2007.

• Best Research Paper Award, "Personal Network Integrating a VPN with Execution Environments of Hosts," Japanese Society of Software Science and Technology (JSSST), June 5, 2006.

• 2002 Nikkei BP Technology Awards (Information and Communication Section)

• 明石修、菅原俊治、村上健一郎、丸山充、小柳恵一, "広域IP網自動 診断システム：ENCORE," NTT R&D, Vol. 51, No.7, pp. 603 - 611, 2002.

• 小川裕、島健一、菅原俊治, "述語論理を組み込んだ知識ベースシステ ムKRINE," NTT研究実用化報告, Vol. 36, No. 9, pp. 1255-1264, 1987.