Publications

Refereed Journals

• Ryusuke Iizuka, Fujio Toriumi, Mao Nishiguchi, Masanori Takano, Mitsuo Yoshida Impact of correcting misinformation on social disruption PLoS ONE 17(4): e0265734. https://doi.org/10.1371/journal.pone.0265734 (04/2022)
• Mitsuo Yoshida, Takeshi Sakaki, Tetsuro Kobayashi, Fujio Toriumi Japanese conservative messages propagate to moderate users better than their liberal counterparts on Twitter. Scientific Reports volume 11, Article number: 19224 (10/2021)
• Yizhou Yan, Fujio Toriumi, Toshiharu Sugawara Understanding how retweets influence the behaviors of social networking service users via agent-based simulation Computational Social Networks Vol.8, Article number 18 (09/2021)
• Ayano Kuwahara, Fujio Toriumi, Isao Yagi How Does Social Status in the Classroom Influence Classroom Community Formation?痿之erification Using Multi-Agent Simulation Advances in Social Simulation pp.95-100 (04/2021)
• Isamu Okada, Hitoshi Yamamoto, Eizo Akiyama, Fujio Toriumi Cooperation in spatial public good games depends on the locality effects of game, adaptation, and punishment Scientific Reports volume 11, Article number: 7642 (04/2021)
• Yutaro Miura, Fujio Toriumi, Toshiharu Sugawara Modeling and analyzing users痿・behavioral strategies with co-evolutionary process Computational Social Networks No.8, Vol.11(03/2021)
• Wataru Kudo, Mao Nishiguchi, Fujio Toriumi GCNEXT: graph convolutional network with expanded balance theory for fraudulent user detection Social Network Analysis and Mining, No.85, vol.10 (10/2020)
• Shumpei Kikuta, Fujio Toriumi, Mao Nishiguchi, Shu Liu, Tomoki Fukuma, Takanori Nishida, Shohei Usui Framework for role discovery using transfer learning Applied Network Science, No.45, Vol 5 (08/2020)
• Fujio Toriumi, Hitoshi Yamamoto, Isamu Okada. Rewards Visualization System Promotes Information Provision. Springer, Advances in Artificial Intelligence. JSAI 2019. Advances in Intelligent Systems and Computing, vol 1128. pp 55-65 (02/2020)
• Kazuki Uchida, Takeshi Sakaki, Fujio Toriumi Comparative evaluation of two approaches for retweet clustering: A text-based method and graph-based method Web Intelligence, vol. 17, no. 4, pp. 271-284, (12/2019)
• Hikaru Yamamoto, Nina Sugiyama, Fujio Toriumi, Hikaru Kashida, Takuma Yamaguchi Angels or Demons? Classifying Desirable Heavy Users and Undesirable Power Sellers in Online C2C Marketplace Journal of Computational Social Science (2019)
• Fujio Toriumi, Hitoshi Yamamoto, Isamu Okada A Belief in Rewards Accelerates Cooperation on Consumer Generated Media Journal of Computational Social Science (2019)
• Koshino Kazuhiro, Rudolf A. Werner, Fujio Toriumi, Mehrbod S. Javadi, Martin G. Pomper, Lilja B. Solnes, Franco Verde, Takahiro Higuchi, Steven P. Rowe Generative Adversarial Networks for the Creation of Realistic Artificial Brain Magnetic Resonance Images TOMOGRAPHY, Volume 4, Issue 4, pp.159-163 (12/2018)
• Kazuki Uchida, Takeshi Sakaki, Fujio Toriumi Evaluation of retweet clustering method: a classification method using retweets on Twitter without text data Web Intelligence, IOS Press, (accepted)
• Kimitaka Asatani, Fujio Toriumi, Junichiro Mori, Masanao OchiIchiro Sakata Detecting interpersonal relationships in large-scale railway trip data Journal of Computational Social Science, Volume 1, Issue 2, pp 313–326(08/2018)
• Takashi Nicholas Maeda, Mitsuo Yoshida, Fujio Toriumi and Hirotada Ohashi Extraction of Tourist Destinations and Comparative Analysis of Preferences Between Foreign Tourists and Domestic Tourists on the Basis of Geotagged Social Media Data ISPRS Int. J. Geo-Inf. 2018, 7, 99.(03/2018)
• Yuichi Hirano, Fujio Toriumi, Mitsuteru Tashiro, Kiyotaka Eguchi Finding Minors Faced with Online Risk Journal of Transformation of Human Behavior under the Influence of Infosocionomics Society Vol.3 (02/2018)
• Kiyoshi Izumi, Hiroshi Suzuki, Fujio Toriumi Transfer Entropy Analysis of Information Flow in a Stock Market Economic Foundations for Social Complexity Science. Springer, Singapore, 2017. 193-208 (2017)
• Chao Fan,Fujio Toriumi High-Modularity Network Generation Model Based on the Muitilayer Network Transactions of the Japanese Society for Artificial Intelligence Vol. 32 No.6 p.B-H42_1-11 (2017)
• Kengo Osaka, Fujio Toriumi, Toshihauru Sugawara Effect of direct reciprocity and network structure on continuing prosperity of social networking services Computational Social Networks Vol.4 No.2 (05/2017)
• Fujio Toriumi, Hirotaka Osawa, Michimasa Inaba, Daisuke Katagami, Kosuke Shinoda, and Hitoshi Matsubara AI Wolf Contest —Development of Game AI Using Collective Intelligence— Communications in Computer and Information Science, Computer Games. Springer, Cham, pp.101-115.(05/2017)
• Mitsuteru Tashiro, Yasuhiro Iijima, Tadashi Komatsu, Fujio Toriumi, Takafumi Nakanishi, Kiyotaka Eguchi, Hideki Asako Construction and verification of a power distribution model that uses graph theory and considers the ease of connection Journal of Transformation of Human Behavior under the Influence of Infosocionomics Society Vol.2 (02/2017)
• Yuichi Hirano, Fujio Toriumi, Masanori Takano, Kazuya Wada, Ichiro Fukuda Detection of Dangerous Interaction in Online Chat Service Journal of Transformation of Human Behavior under the Influence of Infosocionomics Society Vol.2 (02/2017) (Short Paper)
• Fujio Toriumi, Hitoshi Yamamoto, and Isamu Okada: Exploring an effective incentive system in groupware Journal of Artificial Societies and Social Simulation 19 (4) 6 (11/2016)
• Fujio Toriumi, Kazuki Komura Investment Index Construction from Information Propagation Based on Transfer Entropy Computational Economics pp.1-14(09/2016)
• Yuki Hirahara, Fujio Toriumi, Toshiharu Sugawara Cooperation-dominant Situations in SNS-norms Game on Complex and Facebook Networks New Generation Computing, Volume 34, Issue 3, pp 273–290 (08/2016)
• Ryozo KITAJIMA, Ryotaro KAMIMURA, Osamu UCHIDA, Fujio TORIUMI Identifying Important Tweets by Considering the Potentiality of Neurons IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences Vol. E99.A (2016) No. 8 pp. 1555-1559(08/2016)
• Fujio TORIUMI, Takafumi NAKANISHI, Mitsuteru TASHIRO, and Kiyota EGUCHI Encounters between Predators and Their Targets in Private Chat Journal of Transformation of Human Behavior under the Influence of Infosocionomics Society Vol.1 pp.23-28 (02/2016)
• Takafumi NAKANISHI, Ryotaro OKADA, Fujio TORIUMI, Mitsuteru TASHIRO, and Kiyota EGUCHI Simulation for Communication Risk on SNS Journal of Transformation of Human Behavior under the Influence of Infosocionomics Society Vol.1 pp.15-21 (02/2016)
• Osamu UCHIDA, Toshihiro ROKUSE, Makoto TOMITA, Yoshitaka KAJITA, Yoshiro YAMAMOTO, Fujio TORIUMI, Bryan SEMAAN, Scott ROBERTSON Classi cation and Mapping of Disaster Relevant Tweets for Providing Useful Information for Victims During Disasters (Short Paper) IIEEJ Transactions on Image Electronics and Visual Computing (01/2016)
• Michimasa Inaba, Naoyuki Iwata, Fujio Toriumi, Takatsugu Hirayama, Yu Enokibori, Kenichi Takahashi, and Kenji Mase: Statistical response method and learning data acquisition using gamified crowdsourcing for a non-task-oriented dialogue agent. Lecture Notes in Computer Science, Vol.8946, pp.119-136, Springer, 2015.
• Yuki Hirahara, Fujio Toriumi, Toshiharu Sugawara Cooperation-dominant Situations in SNS-norms Game on Complex and Facebook Networks New Generation Computing (accepted)
• Okada I, Yamamoto H, Toriumi F, Sasaki T: The Effect of Incentives and Meta-Incentives on the Evolution of Cooperation PLOS Computational Biology 11:e1004232. (05/2015)
• Shohei Usui, Fujio Toriumi, Masato Matsuo, Takatsugu Hirayama, and Kenji Mase Greedy Network Growth Model of Social Network Service Computational Intelligence and Intelligent Informatics Vol.18 No.4 pp.590-597 (07/2014)
• Yoshiyuki Okada, Keisuke Ikeda, Kosuke Shinoda, Fujio Toriumi, Takeshi Sakaki, Kazuhiro Kazama, Masayuki Numao, Itsuki Noda, and Satoshi Kurihara SIR-Extended Information Diffusion Model of False Rumor and its Prevention Strategy for Twitter Computational Intelligence and Intelligent Informatics Vol.18 No.4 pp.598-607 (07/2014)
• Fujio Toriumi, Hitoshi Yamamoto, and Isamu Okada Influence of Payoff in Meta-Rewards Game Computational Intelligence and Intelligent Informatics Vol.18 No.4 pp.616-623 (07/2014)
• Bungo Miyazaki, Kiyoshi Izumi, Fujio Toriumi, Ryo Takahashi Change detection of orders in stock markets using a Gaussian mixture model. Intelligent Systems in Accounting, Finance and Management 21.3: 169-191.(06/2014)
• Fujio Toriumi, Kosuke Shinoda, Takeshi Sakaki, Satoshi Kurihara, Kazuhiro Kazama, Itsuki Noda Collaborative Heterogeneous Integration of Disaster and Rescue Information (CHIDRI) Transactions of the Japanese Society for Artificial Intelligence Vol. 29 No.1 p.113-119 (01/2014)
• Kimitaka ASATANI Fujio TORIUMI Yu CHEN Hirotada OHASHI Emergence of Cultural Diversity in a Group IEICE TRANSACTIONS on Information and Systems (Japanese Edition) Vol.J96-D No.12 pp.2951-2959(12/2013)
• Shohei Usui, Fujio Toriumi, Takatsugu Hirayama, Yu Enokibori, Kenji Mase After the 2011 off the Pacific Coast of Tohoku Earthquake Why Did False Rumor Diffuse -Impact Analysis of the Network Structure- IEEJ Transactions on Electronics, Information and Systems Vol. 133 (2013) No. 9 P 1796-1805
• Tatsuma Yuasa, Fujio Toriumi, Takatsugu Hirayama, Yu Enokibori, Kenji Mase Analysis of the Impact of Changing Strategy on the GARCH Effect with Artificial Market Simulation IEEJ Transactions on Electronics, Information and Systems Vol.133 No.9 pp.1717-1728(09/2013)
• Akihiro Koide, Kazumi Saito, Kazuhiro Kazama, Fujio Toriumi Study of Twitter's Follow Mechanism Based on Network Analysis IPSJ Transactions on Modeling(TOM) 6(2), 164-173, (08/2013)
• Hiroki Miura, Hirohiko Suwa, Fujio Toriumi, and Makoto Onizuka: Efficient Algorithms for Personalized Social Search IPSJ Transactions on Databases(TOD)6(3),29-39 (06/2013)
• Fujio TORIUMI, Takashi OKADA, Shuichiro YAMAMOTO, and Kenichiro ISHII: Modeling of Information Sharing on the Buisiness Social Media SICE Journal of Control, Measurement, and System Integration, Vol.6, No.2 pp.83-87(03/2013)
• Fujio Toriumi, Hirokazu Nishiok, Toshimits Umeoka, Kenichiro Ishii Analysis of the market difference using the stock board Transactions of the Japanese Society for Artificial Intelligence Vol. 27 (2012) No. 3 P 143-150
• Michimasa INABA Naoki HIRAI Fujio TORIUMI Kenichiro ISHII Statistical Responce Method for Non-task-oriented Dialogue Agent D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition) Vol.J95-D No.6 pp.1390-1400(2012)
• Fuj io TORIUMI, Tatsuyuki KAMIYA, and Kenichiro ISHII Parametric Estimating on Network Generation Model of Small-Size Social Network Services The IEICE transactions on information and systems (Japanese edetion) J94-D(11), 1740-1750, 2011
• YAMAMOTO Hitoshi, SUWA Hirohiko, OKADA Isamu, TORIUMI Fujio, IZUMI Kiyoshi, HASHIMOTO Yasuhiro Classification among large amount of SNS sites with transitioning their communication structures The Japan Association for Social Informatics 23(1), 33-43, 2011
• Michimasa INABA Naoki HIRAI Fujio TORIUMI Kenichiro ISHII Evaluation Method of Non-task-oriented Dialogue Agent Using Word Co-occurrence - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition) Vol.J94-D No.1 pp.48-58, (2011)
• Michimasa INABA Naoki HIRAI Fujio TORIUMI Kenichiro ISHII Automatic Determination of "Enthusiasm" in Dialogues Using Word Co-occurrence D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition) Vol.J94-D No.1 pp.59-67, (2011)
• Fujio Toriumi, Kiyoshi Izumi and Hiroki Matsui: Market Participant Estimation by Using Artificial Market Advances in Practical Multi-Agent Systems Studies in Computational Intelligence, Volume 325/2011, 201-215(2010)
• Fujio TORIUMI Ken ISHIDA Kenichiro ISHII Proposal for a Network Growth Model of Social Network Service D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition) Vol.J93-D No.7 pp.1135-1143, 2010
• Yukihisa FUJITA, Fujio TORIUMI, Kenichiro ISHII Proposal and Simulation of a Work Sharing Method Considering with Information Sharing on the Dynamic Social Network in an Organization Journal of Japan Society for Fuzzy Theory and Intelligent Informatics Vol. 22 (2010) No. 2 P 165-177
• Fujio Toriumi, Hitoshi Yamamoto, Hirohiko Suwa, Isamu Okada, Kiyoshi Izumi, Yasuhiro Hashimoto Comparison Analysis among Large Amount of SNS Sites Transactions of the Japanese Society for Artificial Intelligence Vol. 25 (2010) No. 1 P 78-89
• Megumi Tanaka, Kensuke Takahashi, Fujio Toriumi, Toshiharu Sugawara Technological Simulation for the Interpersonal Relationships in a Classroom and Its Consideration IPSJ Transactions on Mathematical Modeling and its Applications, TOM25 Vol.3鐚君o.1鐚継p.98-108鐚・1/2010鐚・
• Yukihisa Fujita, Yuichi Washida, Fujio Toriumi, Kazuhiro Ueda, Kenichiro Ishii: Modeling and Simulation of Information Diffusion Considering Information Diversification IPSJ Transactions on Mathematical Modeling and its Applications, TOM25 Vol.3鐚君o.1鐚継p.49-61鐚・1/2010鐚・
• Naoki Isomura, Fujio Toriumi, Kenichiro Ishii: Statistical Utterance Selection using Word Co-occurrence for a Dialogue Agent Springer Berlin / Heidelberg, Lecture Notes in Computer Science, Vol.5925/2009 pp.68-79(2009)
• Naoki ISOMURA Fujio TORIUMI Kenichiro ISHII Auto-Tagging Method for Evaluating Non-task-oriented Dialogue Agent A - Abstracts of IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences (Japanese Edition) Vol.J92-A No.11 pp.795-805, 2009
• Naoki ISOMURA Fujio TORIUMI Kenichiro ISHII Evaluation Method of Non-task-oriented Dialogue System Using HMM D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition) Vol.J92-D No.4 pp.542-551, 2009
• Kiyoshi Izumi, Fujio Toriumi, Hiroki Matsui: Evaluation of Automated Trading Programs Using an Artificial Market Neurocomputing 72 (2009), pp. 3469-3476 Online
• Fujio TORIUMI, Kei NISHIMURA, Chihiro ASANO, Kenichiro ISHII Proposal of Support Systems for Trading Agents Design Computer Software Vol. 25 No. 4 P 4_190-4_198 (2008)
• Fujio TORIUMI Ken ISHIDA Kenichiro ISHII Proposal of Small-SNS Model and Activation Simulation B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition) Vol.J91-B No.4 pp.397-406, 2008
• TORIUMI Fujio , TAKAYAMA Jun-ya , OHYAMA Shinji , KOBAYASHI Akira Proposal of Sequential Paired Comparison Method Transactions of the Society of Instrument and Control Engineers , Vol.43(10), 839-846, 2007
• Fujio TORIUMI Kenichiro ISHII Effects of Communication Intervention on Classroom Community Forming D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition) Vol.J90-D No.9 pp.2456-2464, 2007
• Fujio TORIUMI・狩enichiro ISHII: Effect of grouping on classroom communities Springer Berlin / Heidelberg, Emergent Intelligence of Networked Agents, Volume 56/2007 pp.231-243 (04/2007)
• Yukihisa FUJITA Akihiko NAKASE Yasuko NAKAYAMA Fujio TORIUMI Kenichiro ISHII Knowledge Management Modeling in Organizations D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition) Vol.J90-D No.1 pp.52-61, 2007
• TORIUMI Fujio , TAKAYAMA Jun-ya , OHYAMA Shinji , KOBAYASHI Akira Analysis of Panel's Inspection Abilities Using Band Function Model Transactions of the Society of Instrument and Control Engineers , Vol. 39(8), 709-716, 2003
• TORIUMI Fujio , CAO Li , OHYAMA Shinji , KOBAYASHI Akira Solution Domain of Band Function Model Paired Comparison Method and New Algorithm for Solution Domain Renewal. Transactions of the Society of Instrument and Control Engineers , Vol.37(9), 886-892, 2001

Conference Papers(Refereed)

• Dongwoo Lim, Fujio Toriumi, Mitsuo Yoshida Do you trust the experts on Twitter?:Successful correction of COVID‐19‐related misinformation The 20th IEEE/WIC/ACM International Conference on Web Intelligence and Intelligent Agent Technology(12/2021)
• Takuro Okada, Fujio Toriumi, and Maki Sakamoto A Study on Emotional Analysis Focusing on Onomatopoeia Used on SNS for the COVID-19 The 6th International Workshop on Application of Big Data for Computational Social Science(12/2021)
• Taisei Ninomiya, Fujio Toriumi, Hiroka Zaitsu, Yusuke Miyake Analysis of User Behavior in a C2C Platform During COVID-19 Pandemic 2021 International Conference on Data Mining Workshops (ICDMW) colocated with ICDM2021 (12/2021)
• Shu Liu, Fujio Toriumi, Mao Nishiguchi, Shohei Usui Multiple Role Discovery in Complex Networks COMPLEX NETWORKS 2021 (12/2021)
• Yizhou Yan, Fujio Toriumi and Toshiharu Sugawara Influence of Retweeting on the Behaviors of Social Networking Service Users COMPLEX NETWORKS 2020 (12/2020)
• Atsushi Tanaka, Fujio Toriumi Characteristics of Information Propagation in COVID-19 Crisis NOLTA2020 (11/2021)
• Atom Sonoda, Yoshifumi Seki and Fujio Toriumi Popularity Diversity vs. Content Diversity: Analyzing User Engagement in News Application SocInfo2020 (09/2020)
• Taiga Abe, Daisuke Higashi, Daiki Nishiyama, Fujio Toriumi, Akira Ishii, Scott Hale and Serge Galam The toilet paper issue during the COVID-19 crisis NetSci2020 (09/2020)
• Dongwoo Lim, Fujio Toriumi Difference of Public Opinion in International Disputes: Case of Japan and Korea IC2S2-2020 (07/2020)
• Anri Suzuki, Fujio Toriumi Detecting Fake News Tweets during Disasters without Linguistic Information IC2S2-2020 (07/2020)
• Dongwoo Lim, Fujio Toriumi, Kaori Hayashi Network Analysis on Emotional Responses in International Disputes The Web Conference 2020 (04/2020)
• Mao Nishiguchia, Fujio Toriumi Feature Analysis of Cyberbullying for minors on Social Media in Japan 7th International Workshop Transformation of Human Behavior under the Influence of Infosocionomics Society (THIS) (02/2020)
• Anri Suzuki, Fujio Toriumi Detecting gullible users on Twitter NetSci-X 2020 (01/2020)
• Yutaro Miura, Fujio Toriumi and Toshiharu Sugawara Analysis of Co-evolution of Cooperation in a Dynamic Learning Model in Social Networking Services Complex Networks 2019 (10/2019)
• Shumpei Kikuta, Fujio Toriumi, Mao Nishiguchi, Tomoki Fukuma, Takanori Nishida, and Shohei Usui Domain-Invariant Latent Representation Discovers Roles Proceedings of the Eighth International Conference on Complex Networks and Their Applications COMPLEX NETWORKS 2019 Vol.1 pp.834-844(10/2019)
• Atom Sonoda, Yoshifumi Seki, and Fujio Toriumi Analysis of Factors that affect Users' Behavioral Changes in News Service The 4th International Workshop on Application of Big Data for Computational Social Science (ABCSS2019 @ WI2019) (12/2019)
• Yutaro Miura, Fujio Toriumi, Toshiharu Sugawara Multiple-World Genetic Algorithm to Identify Locally Reasonable Behaviors in Complex Social Networks 2019 IEEE International Conference on Systems, Man and Cybernetics(07/2019)
• Ayano Kuwahara, Fujio Toriumi, Isao Yagi How Does School Caste Influence Classroom Community Formation? - Verification Using Multi-agent Simulation Social Simulation Conference 2019 (09/2019)
• Wataru Kudo, Mao Nishiguchi and Fujio Toriumi Fraudulent User Detection on Rating Networks Based on Expanded Balance Theory and GCNs ASONAM2019(02/2019)
• Yutaro Miura, Fujio Toriumi, Toshiharu Sugawara Multiple World Genetic Algorithm to Analyze Individually Advantageous Behaviors in Complex Networks GECCO2019(07/2019)
• Kimitaka Asatani, Fujio Toriumi, Junichiro Mori, Masanao Ochi, Ichiro Sakata Interpersonal relationships in large-scale mobility data Complenet'19(03/2019)
• Shohei Usui, Mitsuo Yoshida, and Fujio Toriumi Analysis of Information Polarization During Japan痿冱 2017 Election The 3rd International Workshop on Application of Big Data for Computational Social Science (ABCSS2018 @ IEEE BigData 2018)(12/2018)
• Mitsuo Yoshida, Fujio Toriumi Analysis of Political Party Twitter Accounts' Retweeters during Japan's 2017 Election WI 2018 Workshop : The International Workshop on Web Personalization, Recommender Systems, and Social Media (WPRSM2018) (12/2018)
• Kota Kakiuchi, Mao Nishiguchi, Fujio Toriumi, Masanori Takano, Kazuya Wada, Ichiro Fukuda What influences people to broaden their horizons? Web Intelligence 2018(12/2018)
• Atom Sonoda, Fujio Toriumi, Hiroto Nakajima, Miyabi Goji Analysis and Modeling of Behavioral Changes in a News Service Web Intelligence 2018(12/2018)
• Kimitaka Asatani, Yasuko Kawahata, Fujio Toriumi, Ichiro Sakata Communication based on unilateral preference on Twitter SocInfo2018(09/2018)
• Mitsuo Yoshida, Fujio Toriumi Information Diffusion Power of Political Party Twitter Accounts during Japan's 2017 Election Social Informatics, 10th International Conference, SocInfo 2018, St. Petersburg, Russia, September 25-28, 2018, Proceedings, Part II pp.Pages 334-342 (09/2018)
• Kota Kakiuchi, Fujio Toriumi, Masanori Takano, Kazuya Wada, and Ichiro Fukuda Influence of Selective Exposure to Viewing Contents Diversity SocInfo2018(09/2018) Best Paper
• Mitsuo Yoshida, Fujio Toriumi Diversity of Political Information Received by Political Detachment Users on Social Media 4th International Conference on Computational Social Science(07/2018)
• Mitsuo Yoshida, Fujio Toriumi Diversity of Political Information Received by Political Detachment Users on Social Media 4th International Conference on Computational Social Science(07/2018)
• Hirotaka Osawa, Bohao Wang, Takuya Toyono, Fujio Toriumi, Daisuke Katagami Development of Real-World Agent System For Werewolf Game Seventeenth International Conference on Autonomous Agents and Multiagent Systems (AAMAS2018) Demo Session(07/2018)
• Mitsuo Yoshida, Fujio Toriumi Do Political Detachment Users Receive Various Political Information on Social Media? 3rd International Workshop on Event Analytics using Social Media Data(06/2018)
• Yutaro Miura, Fujio Toriumi, Toshiharu Sugawara Evolutionary Learning Model of Social Networking Services with Diminishing Marginal Utility 9th International Workshop on Modeling Social Media, WWW'18 Companion Proceedings of the The Web Conference 2018, pp.1323-1329 (04/2018)
• Masanori Takano, Hiroki Mizukami, Fujio Toriumi, Makoto Takeuchi, Kazuya Wada, Masahiro Yasuda, and Ichiro Fukuda Analysis of the Changes in Listening Trends of a Music Streaming Service 2nd International Workshop on Application of Big Data for Computational Social Science(12/2017)
• Fujio Toriumi, Isamu Okada, Hitoshi Yamamoto Effect of Network Structure for Meta-Sanctions Game The 2017 International Symposium on Nonlinear Theory and its Applications (NOLTA2017) (12/2017)
• Takashi Nicholas Maeda, Kota Tsubouchi, Fujio Toriumi Next place prediction in unfamiliar places considering contextual factors 25th ACM SIGSPATIAL - International Conference on Advances in Geographic Information Systems(Industrial Paper)(11/2017)
• Fujio Toriumi, Isamu Okada, Hitoshi Yamamoto Expectation for responses encourages social media participation: simulation study Social Simulation Conference 2017(09/2017)
• Takashi Nicholas Maeda, Junichiro Mori, Fujio Toriumi and Hirotada Ohashi Analysis of Activity Trends Based on Smart Card Data of Public Transportation 2017 International Conference on GeoComputation (09/2017)
• Kazuki Uchida, Fujio Toriumi, and Takeshi Sakaki Evaluation of retweet clustering method: classification method using retweet on Twitter without text data The IEEE/WIC/ACM International Conference on Web Intelligence (08/2017)
• Hirofumi Nakamura, Daisuke Katagami, Fujio Toriumi, Hirotaka Osawa, Michimasa Inaba, Kosuke Shinoda and Yoshinobu Kano. Generating human-like discussion by paraphrasing a translation by the AIWolf Protocol using Werewolf BBS Logs. IEEE converence on Fuzzy Systems 2017(FUZZ-IEEE2017), (07/2017)
• Yating Wang, Fujio Toriumi, Masayuki Susai An Analysis of the Impact of Group Behavior Bias on Financial Markets by Artificial Market World Finance Conference 2017 (07/2017)
• Kazuki Uchida, Fujio Toriumi, and Takeshi Sakaki Topic Entropy : How to discriminate biased topics from general topics on social media International Conference on Computational Social Science 2017 (07/2017)
• Eizo Akiyaam, Isamu Okada, Fujio Toriumi, Hitoshi Yamamoto The Effect of Second-order Reward and Punishment in Public goods Game - An Experiment International Conference on Social Dilemmas 2017 (07/2017)
• Yuka Kamiko, Mitsuo Yoshida, Hirotada Ohashi, Fujio Toriumi Uncovering Information Flow Among Users by Time-Series Retweet Data: who is a friend of whom on Twitter? Application of Big Data for computational social science, Co-Located Workshop of IEEE BIGDATA (12/2016)
• Hirotaka Kawazu, Fujio Toriumi, Masanori Takano, Kazuya Wada, Ichiro Fukuda Analytical method of web user behavior using Hidden Markov Model Application of Big Data for computational social science, Co-Located Workshop of IEEE BIGDATA (12/2016)
• Kengo Osaka, Fujio Toriumi, and Toshiharu Sugawara Effect of Direct Reciprocity on Continuing Prosperity of Social Networking Services COMPLEX NETWORKS 2016, The 5th International Workshop on Complex Networks and their Applications(11/2016)
• Takashi Nicholas Maeda, Junichiro Mori, Fujio Toriumi and Hirotada Ohashi Analysis of Smart Card Data for Understanding Spatial Changes in Consumption-oriented Human Flows The Second International Workshop on Smart Cities and Urban Analytics (UrbanGIS) 2016(10/2016)
• Fujio Toriumi, Hirotaka Osawa, Michimasa Inaba, Daisuke Katagami, Kosuke Shinoda, and Hitoshi Matsubara AI Wolf Contest -Development of Game AI using Collective Intelligence- Computer Games Workshop at IJCAI 2016(07/2016)
• Fujio Toriumi, Hitoshi Yamamoto and Isamu Okada Effect of Rewarding Systems in Social Media 2016 2ND ANNUAL INTERNATIONAL CONFERENCE ON COMPUTATIONAL SOCIAL SCIENCE(06/2016)
• Hirata Yuya, Inaba Michimasa, Takahashi Kenichi, Toriumi Fujio, Osawa Hirotaka, Katagami Daisuke, Shinoda Kosuke Werewolf Game Modeling using Action Probabilities based on Play Log Analysis Computers and Games 2016(06/2016)
• Chao Fan and Fujio Toriumi A new Network Generation Model based on Multilayer Network NetSci2016 (Extended Abstract) (06/2016)
• Takashi Nicholas Maeda, Mitsuo Yoshida, Fujio Toriumi, Hirotada Ohashi Decision Tree Analysis of Tourists' Preferences Regarding Tourist Attractions Using Geotag Data from Social Media Urb-IoT '16 Proceedings of the Second International Conference on IoT in Urban Space, pp.61-64 (05/2016)
• Shohei Usui, Fujio Toriumi Analysis of Condition for the Cooperation Achievement on Arbitrary Networks AAMAS2016, pp.1321 (Extended Abstract) (05/2016)
• Keisuke Ikeda, Takeshi Sakaki, Fujio Toriumi and Satoshi Kurihara An Examination of a Novel Information Diffusion Model: Considering of Twitter User and Twitter System Features The 6th International Workshop on Emergent Intelligence on Networked Agents(05/2016)
• Kengo Osaka, Fujio Toriumi and Toshiharu Sugawara Effect of Direct Reciprocity on Social Networking Services The 6th International Workshop on Emergent Intelligence on Networked Agents(05/2016)
• Fujio Toriumi and Seigo Baba Real-time Tweet Classification in Disaster Situation WWW'16 Companion Proceedings of the 25th International Conference Companion on World Wide Web pp.117-118(04/2016)
• Shohei Usui and Fujio Toriumi Statistical Analysis of Information Spreading on Arbitary Networks NetSciX-2016 (01/2016)
• Fujio TORIUMI, Takafumi NAKANISH, Mitsuteru TASHIRO, Kiyotaka EGUCHI Analysis of User Behavior in Private Chat System The Third International Workshop on Data Oriented Constructive Mining and the Seventh International Workshop on Emergent Intelligence Networked Agents (12/2015)
• Fujio TORIUMI, Takafumi NAKANISH, Mitsuteru TASHIRO, Kiyotaka EGUCHI Classification of User Behavior on Private Chat Challenges in Data Science : a complex systems perspective(10/2015)
• Fujio Toriumi, Hitoshi Yamamoto, Isamu Okada Modeling CGM as Public Goods Game Social Simulation 2015 (ESSA2015) (08/2015) Accepted
• Daisuke Katagami, Masahi Kanazawa, Fujio Toriumi, Hirotaka Osawa, Michimasa Inaba and Kosuke Shinoda Movement design of a life-like agent for the werewolf game FUZZ-IEEE 2015 (08/2015) Accepted
• Nargis Pervin, Tuan Quang Phan, Anindya Datta, Hideaki Takeda, Fujio Toriumi Hashtag Popularity on Twitter: Analyzing Cooccurence of Multiple Hashtags HCI International 2015(08/2015) Accepted
• Isamu Okada, Hitoshi Yamamoto, Fujio Toriumi, Tatsuya Sasaki Make a scapegoat or cultivate praises: Two ways to prevent free-riders in a peer-to-peer sanction system 16th International Conference on Social Dilemmas(06/2015)
• Fujio Toriumi, Kazuki Komura Investment Index Construction from Information Propagation Based on Transfer Entropy Society for Computational Economics - Computing in Economics and Finance, 2015 (CEF2015) (06/2015)
• Seigo Baba, Fujio Toriumi, Takeshi Sakaki, Kosuke Shinoda, Kazuhiro Kazama, Satoshi Kurihara, and Itsuki Noda Classification Method for Shared Information on Twitter Without Text Data 2nd International Workshop on Social Web for Disaster Management (swdm2015) WWW 2015 Companion Publication (05/2015)
• Guanghao Liu, Yu Chen, Fujio Toriumi, and Hirotada Ohashi Influence of response time on traders痿・performances: a double-auction model analysis 79th Annual Meeting of the DPG and DPG Spring Meeting(03/2015)
• Hidenori Mabe, Yu Chen, Fujio Toriumi, and Hirotada Ohashi Dynamics of multi-asset artificial markets considering inter-market transactions of two types of traders: risk-seekers and risk avoiders 79th Annual Meeting of the DPG and DPG Spring Meeting(03/2015)
• Nargis Pervin, Hideaki Takeda, Fujio Toriumi Factors Affecting Retweetability: An Event-Centric Analysis on Twitter International Conference on Information Systems 2014(12/2014)
• Kawaguchi, Hiroki, Shimpei Matsumoto, and Fujio Toriumi. A method to quantify twitter user's posting activities for constructing disaster information support system In Computational Intelligence and Applications (IWCIA), 2014 IEEE 7th International Workshop on (pp. 137-140)(11/2014)
• Yuki Hirahara, Fujio Toriumi and Toshiharu Sugawara Evolution of Cooperation in SNS-norms Game on Complex Networks and Real Social Networks The 6th International Conference on Social Informatics(11/2014)
• Sakaki Takeshi, Fujio Toriumi Information Propagation Analysis on the Cover Problem of Journal 痿廣rtificial Intelligence痿・/span> Social Modeling and Simulations + Econophysics Colloquium 2014 (SMSEC2014)(11/2014)
• Kobayashi, Y., Osawa, H., Inaba, M., Shinoda, K., Toriumi, F., & Katagami, D. Development of werewolf match system for human players mediated with lifelike agents In Proceedings of the second international conference on Human-agent interaction (pp. 205-207). ACM.(10/2014)
• Hitoshi Yamamoto, Isamu Okada and Fujio Toriumi Cooperation maintained by defect and collapsed by reward in a generalized metanorms game ESSA2014(09/2014)
• Kimitaka Asatani, Fujio Toriumi and Hirotada Ohashi Rise and decline process of online communities: Modeling social balance of participants ESSA2014(09/2014)
• Keisuke Ikeda, Yoshiyuki Okada, Fujio Toriumi, Takeshi Sakaki, Kazuhiro Kazama, Itsuki Noda, Kosuke Shinoda, Hirohiko Suwa, and Satoshi Kurihara Multi-Agent Information Diffusion Model for Twitter The 2014 IEEE/WIC/ACM International Conference on Web Intelligence (08/2014)
• Daisuke Katagami, Shono Takaku, Michimasa Inaba, Hirotaka Osawa, Kosuke Shinoda, Junji Nishino and Fujio Toriumi Investigation of the Effects of Nonverbal Information on Werewolf FUZZ-IEEE 2014 (07/2014)
• Shohei Usui, Fujio Toriumi, Takatsugu Hirayama, and Kenji Mase, Analysis of Information Diffusion Focusing on Directed Network NetSci2014, (06/2014)
• Keisuke Ikeda, Yoshiyuki Okada, Fujio Toriumi, Takeshi Sakaki, Kazuhiro Kazama, Itsuki Noda, Kosuke Shinoda, Hirohiko Suwa and Satoshi Kurihara Agent-based Information Diffusion Model : Simulation Model for False Rumor Diffusion Process The 6th International Worlkshop on Emergent Intelligence on Networked Agents (05/2014)
• Shohei Usui, Fujio Toriumi, Takatsugu Hirayama and Kenji Mase Analysis of information diffusion on directed networks The 6th International Worlkshop on Emergent Intelligence on Networked Agents (05/2014)
• Michimasa Inaba, Naoyuki Iwata, Fujio Toriumi, Takatsugu Hirayama, Yu Enokibori, Kenichi Takahashi and Kenji Mase Constructing a Non-task-oriented Dialogue Agent using Statistical Response Method and Gamification 6th International Conference on Agents and Artificial Intelligence(ICAART 2014) (03/2014)
• Kimitaka Asatani, Fujio Toriumi, Hirotada Ohashi, Mitsuteru Tashiro and Ryuichi Suzuki Prosperity and decline of online communities 16th INTERNATIONAL CONFERENCE ON PRINCIPLES AND PRACTICE OF MULTI-AGENT SYSTEMS (PRIMA 2013)(12/2013)
• Remy Cazabet, Nargis Pervin, Fujio Toriumi and Hideaki Takeda Information Diffusion on Twitter: everyone has its chance, but all chances are not equal The 9th International Conference on SIGNAL IMAGE TECHNOLOGY & INTERNET BASED SYSTEMS(12/2013)
• Nargis Pervin, Remy Cazabet, Hideaki Takeda, Fujio Toriumi and Anindya Datta User Roles in the Time of Crisis: A Social Media Analysis 23rd Workshop on Information Technology and Systems (12/2013)
• Yuki Hirahara, Fujio Toriumi, and Toshiharu Sugawara Evolution of Cooperation in Meta-rewards Games on Networks of WS and BA models DOCMAS-2013, In conjunction with The 2013 IEEE / WIC / ACM International Conferences on WI-IAT2013(11/2013)
• Fujio Toriumi, Hitoshi Yamamoto, and Isamu Okada Effects of controllable facilitators on social media: simulation analysis using Generalized Metanorms Games DOCMAS-2013, In conjunction with The 2013 IEEE / WIC / ACM International Conferences on WI-IAT2013(11/2013)
• Shohei USUI, Fujio TORIUMI, Takatsugu HIRAYAMA and Kenji MASE Analysis of Influential Features for Information Diffusion 2013 ASE/IEEE International Conference on Social Computing (09/2013) acceptance rate is 9.9%.
• Isamu Okada, Fujio Toriumi, Hitoshi Yamamoto Evolution of Cooperation Using Generalized Metanorms Game: Dynamic Analysis towards Institutional Designs 15th International Conference on Social Dilemmas (07/2013)
• Takeshi Sakaki, Fujio Toriumi, Kosuke Shinoda, Kazuhiro Kazama, Satoshi Kurihara, and Itsuki Noda Regional Analysis of User Interactions on Social Media in Times of Disaster WWW2013 Poster Session, WWW 2013 Companion Publication pp.235-236 (05/2013)
• Fujio Toriumi, Takeshi Sakaki, Kosuke Shinoda, Kazuhiro Kazama, Satoshi Kurihara, and Itsuki Noda Information Sharing on Twitter During the 2011 Catastrophic Earthquake 2nd International Workshop on Social Web for Disaster Management (swdm2013) WWW 2013 Companion Publication pp.1025-1028 (05/2013)
• Fujio Toriumi, Hitoshi Yamamoto, and Isamu Okada Analysis of Meta-rewards Game: Application of Management Policy to Social Media The Fifth International Workshop on Emergent Intelligence on Networked Agents (WEIN2013)(05/2013)
• Shohei Usui, Fujio Toriumi, Masato Matuo, Takatsugu Hirayama, Yu Enokibori and Kenji Mase Proposal for a generalized Network Growth Model of Social Network Service The Fifth International Workshop on Emergent Intelligence on Networked Agents (WEIN2013)(05/2013)
• Satoshi Kurihara, Yoshiyuki Okada, Takeshi Sakaki, Fujio Toriumi, Kosuke Shinoda, Kazuhiro Kazama, Itsuki Noda and Masayuki Numao SIR-Extended Information Diffusion Model of False Rumor and its Prevention Strategy for Twitter The Fifth International Workshop on Emergent Intelligence on Networked Agents (WEIN2013)(05/2013)
• Hitoshi Yamamoto, and Isamu Okada, Fujio Toriumi An analysis of generalized metanorms game: cooperation accelerated by defection and decelerated by reward Modelling Biological Evolution 2013: Recent Progress,
• FujioToriumi, Hitoshi Yamamoto, and Isamu Okada Why do people use Social Media? - Agent-based simulation and population dynamics analysis of the evolution of cooperation in social media The 2012 IEEE/WIC/ACM International Conference on Intelligent Agent Technology(12/2012)
• Fujio Toriumi, Analyzing Influence of Information Gap on Prediction Market Mechanism using Artificial Markets WCSS2012(09/2012)
• Takeru Inoue,Fujio Toriumi,Yasuyuki Shirai,Shin-ichi Minato Great East Japan Earthquake Viewed from a URL shortener ACM CoNEXT 2011 Special Workshop on the Internet and Disasters(12/2011)
• Takeshi Sakaki,Fujio Toriumi,Yutaka Matsuo Tweet Trend Analysis in an Emergency Situation ACM CoNEXT 2011 Special Workshop on the Internet and Disasters(12/2011)
• Fujio Toriumi, Daisuke Nakamura, Shuichiro Yamamoto, Takashi Okada and Kenichiro Ishii: Information Sharing on Social Media The 7th European Social Simulation Association Conference (09/2011)
• F.Toriumi, K.Ishii: Analyzing Prediction Market Mechanism using Artificial Markets SICE2011 | SICE Annual Conference 2011 (09/2011)
• F.Toriumi, I.Okada, H.Yamamoto, H.Suwa, K.Izumi and Y.Hashimoto: Classification of Social Network Sites based on Network Indexes and Communication Patterns International Workshop on Social Web Mining Co-located with IJCAI2011 (07/2011)
• Michimasa Inaba, Fujio Toriumi, Kenichiro Ishii: Automatic Detection of``Enthusiasm" in Non-task-oriented Dialogues Using Word Co-occurrence WACI 2011 (04/2011)
• Toriumi Fujio, Ishii Kenichiro: Simulation of Encouragement Methods for SNS based on User Behavior Model, Proceedings of 3rd World Congress on Social Simulation (09/2010)
• Yukihisa Fujita, Yuichi Washida, Fujio Toriumi, Kazuhiro Ueda, Kenichiro Ishii: Reversal of Influence: Decrease of Innovator's Influence under Information Diversification, The ninth international conference on autonomous agents and multiagent systems(AAMAS) (05/2010)
• Naoki Isomura, Fujio Toriumi, Kenichiro Ishii: Statistical Utterance Selection using Word Co-occurrence for a Dialogue Agent The 12th International Conference on Principles of Prctice in Multi-Agent Systems(12/2009)
• Hirokazu NISHIOKA, Fujio TORIUMI, Kenichiro ISHII: Proposal for market similarity evaluation method using stock board 3rd International Conference on Computational and Financial Econometrics(10/2009)
• Ken ISHIDA, Fujio TORIUMI, and Kenichiro ISHII: Proposal for a Growth Model of Social Network Service The 2008 IEEE/WIC/ACM International Conference on Web Intelligence(12/2008)
• Fujio TORIUMI, Ken ISHIDA, and Kenichiro ISHII: Encouragement Methods for Small Social Network Services The 2008 IEEE/WIC/ACM International Conference on Web Intelligence(12/2008)
• Fujio Toriumi, Kiyoshi Izumi and Hiroki Matsui: Analysis of Market Impact Caused by Automated Trading Programs 14 International Conference on Computing in Economics and Finance(06/2008)
• Kiyoshi Izumi, Fujio Toriumi and Hiroki Matsui: Artificial Market 2.0: From Simulation to Service The Fifth International Workshop on Agent-based Approaches in Economic and Social Complex Systems(09/2007)
• Yukihisa FUJITA・取ujio TORIUMI・狩enichiro ISHII: Analyzing the Influence of Social Networks on Knowledge Sharing Proceedings of WEIN07 pp. 31-44 (05/2007)
• S.Murata, F.Toriumi, K.Ishii: Influence of new mobile tools on communication International Federation for Systems Research 2005 (2005)
• Toriumi,Takayama,Ohyama,Kobayashi: Search Vector Algorithm for BMPC method Proceedings of 2003 International Conference on Control, Automation and Systems(ICCAS2003),(2003-10)
• Toriumi,Takayama,Ohyama,Kobayashi: New Sequential Paired Comparison Method to Decrease Number of Comparison Using BMPC Method: 2002 International Conference on Control, Automation and Systems(ICCAS2002),1517-1520 (2002-10)
• Toriumi,Takayama,Ohyama,Kobayashi: Analysis of Individual Differences of Examinee Using BMPC Method 2001 International Conference on Control, Automation and Systems(ICCAS2001), I-SP05-6 (2001-10)

Invited Talks

• The 25th SANKEN International SymposiumAll you need is not only the facts- Analysis of the infodemic during the COVID-19 pandemic -(01/2022)
• MIT-Tsukuba Joint-Workshop on Data Systems Science towards Social and Business Innovations　How to design rewarding systems for Consumer Generated Media(01/2020)
• Department of Media and Communication, City University of Hong Kong, Research Seminar SeriesIs twitter spreading political opinions? The case of Japan's 2017 Election(02/2019)
• The 21st International Conference on Principles and Practice of Multi-Agent Systems(PRIMA2018), Invited Talk, AI Wolf Project -Agent for a lie, detection, and trust-(10/2018)
• Special Interest Group on Intelligence and Complex Systems(SIG-ICS), Analysis of Generalized Meta-Sanction Games(07/2014)
• Korea-Japan Joint Workshop on Social Simulation (JaKoSS 2014) Designing Desirable Networks for Disaster Situation(03/2014)
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