Publications and Contributions

Journal Papers

  1. Naohiro Matsumura, Yutaka Matsuo, Yukio Ohsawa and Mitsuru Ishizuka: Discovering Emerging Topics from WWW, Journal of Contingencies and Crisis Management, Vol. 10, No. 2, pp. 73--81, 2002. [Web]
  2. Naohiro Matsumura, Yukio Ohsawa and Mitsuru Ishizuka: PAI: Automatic Indexing for Extracting Asserted Keywords from a Document, New Generation Computing, Springer Verlag and Ohmsha, Vol. 21, No. 1, pp. 37--47, 2002. [Web]
  3. Naoaki Okazaki, Yutaka Matsuo, Naohiro Matsumura and Mitsuru Ishizuka: Sentence Extraction by Spreading Activation with Refined Similarity Measure, IEICE Tran. on Information and Systems, Vol E86-D, No. 9, pp. 1686--1694, 2003. [Web]
  4. Naohiro Matsumura, Asako Miura, Yasufumi Shibanai, Yukio Ohsawa, and Toyoaki Nishida: The Dynamism of 2channel, AI & Society, Vol. 19, No. 1, pp. 84--92, Springer Verlag, 2005. [Web]
  5. Renate Fruchter, Yukio Ohsawa, Naohiro Matsumura: Knowledge Reuse through Chance Discovery from an Enterprise Design-Build Enterprise Data Store, New Mathematics and Natural Computation, Vol. 1, No. 3, pp. 393--406, 2005. [Web]
  6. Naohiro Matsumura, Yukio Ohsawa and Mitsuru Ishizuka: Combination Retrieval for Creating Knowledge from Sparse Document Collections, Knowledge-Based Systems, Volule 18, Issue 7, pp. 327--333, 2005.[Web]
  7. Xavier Llorà, David E. Goldberg, Yukio Ohsawa, Naohiro Matsumura, Yuichi Washida, Horoshi Tamura, Masataka Yoshikawa, Michael Welge, Loretta Auvil, Duanne Searsmith, Kei Ohnishi, and Chen-Ju Chao: Innovation and Creativity support via Chance Discovery, Genetic Algorithms, and Data Mining, New Mathematics and Natural Computation, Vol. 2, No. 1, pp. 85--100, March 2006.[Web]
  8. Naohiro Matsumura, David E. Goldberg, Xavier Llorà: Communication Gap Management for Fertile Community, Soft Computing, Springer Verlag, Vol.11, No.8, pp. 791--798, 2007. [Web]
  9. Naohiro Matsumura and Yoshihiro Sasaki: Multi-data Mining for Understanding Leadership Behavior, Data Science Journal, Vol.6, S61--S69 (28-Mar-2007) [Web]
  10. Naohiro Matsumura, Yoshihiro Sasaki: Human Influence Network for Understanding Leadership Behavior, International Journal of Knowledge-Based and Intelligent Engineering Systems, Vol.11, No.5, pp. 291--300 (2007) [Web]

Book Chapters

  1. Naohiro Matsumura, Yukio Ohsawa, Mitsuru Ishizuka: Future Directions of Communities on the Web, Takao Terano et al. (eds.), New Frontiers in Artificial Intelligence, LNAI 2253, Springer Verlag, pp. 435--443, 2001. [Web]
  2. Naohiro Matsumura: Topic Diffusion in a Community, Yukio Ohsawa and Peter McBurney (eds.), Chance Discovery, ISBN: 3540005498, Hardcover, 400pp, Springer Verlag, pp. 84--97, 2003. [Web]
  3. Naohiro Matsumura and Yukio Ohsawa: Chance Discovery from the WWW, Yukio Ohsawa and Peter McBurney (eds.), Chance Discovery, ISBN: 3540005498, Hardcover, 400pp, Springer Verlag, pp. 325--338, 2003. [Web]
  4. Naohiro Matsumura and Yukio Ohsawa: The Dynamism of Ni-channel, Akinori Abe and Yukio Ohsawa (eds.), Readings in Chance Discovery, ISBN: 0-9751004-8-3, Advanced Knowledge International, pp. 101--107, March 2005. [Web]
  5. Naohiro Matsumura, Yukio Ohsawa, Mitsuru Ishizuka: PAI: Assertion Extraction from Context-Transition in a Document, Akinori Abe and Yukio Ohsawa (eds.), Readings in Chance Discovery, ISBN: 0-9751004-8-3, Advanced Knowledge International, pp. 261--267, March 2005. [Web]
  6. Yukio Ohsawa, Naohiro Matsumura, Naoaki Okazaki, Akio Saiura, and Hajime Fujie: Mining Scenarios for Hepatitis B and C, Paton, R. (ed), Multidisciplinary Approaches to Theory in Medicine, Elsevier, pp. 209-231 (2006) [Web]
  7. Naohiro Matsumura, Yoshihiro Sasaki: Leader Qualification in Managing Nonprofit Organization, T. Washio et al. (Eds.): New Frontiers in Artificial Intelligence: Joint JSAI 2005 Workshop Post-Proceedings, LNAI 4012, pp. 411-419, Springer-Verlag Berlin Heidelberg, 2006. [Web]
  8. Naohiro Matsumura: Modeling Influence Diffusions in Human Society, Yukio Ohsawa and Shusaku Tsumoto (eds.), Chance Discoveries in Real World Decision Making: Data-based Interaction of Human intelligence and Artificial Intelligence (Studies in Computational Intelligence) (Hardcover), Springer Hardcover: 404 pages, Publisher: Springer; 1 edition (October 2006), Language: English, ISBN: 3540343520 [Web]
  9. Naohiro Matsumura: Analysis of Interaction Mechanism in Online Communities, Nishida, Toyoaki (ed.), Engineering Approaches to Conversational Informatics, John Wiley & Sons (January 2008) [Web]
  10. Naohiro Matsumura: Communication Gap Management Towards Fertile Community, Hiroe Tsubaki, Ken Nishina and Shu Yamada (eds.), Grammar of Technology Development, Springer Verlag, pp. 61--70 (February 2008) [Web]
  11. Naohiro Matsumura, Yoshihiro Sasaki: Multi-Data Mining for Understanding Leadership Behavior, Iwata, S.; Ohsawa, Y.; Tsumoto, S.; Zhong, N.; Shi, Y.; Magnani, L. (Eds.) Communications and Discoveries from Multidisciplinary Data, Studies in Computational Intelligence, Vol. 123, pp. 81--94, Springer Verlag, ISBN: 978-3-540-78732-7 (August 21, 2008) [Web]

Conference Papers

  1. Yukio Ohswa and Naohiro Matsumura: Combination Retrieval for Supplying Novel Knowledge, Workshop Notes on Web KDD, Proc. Pacific-Asia Conference on Knowledge Discovery and Data Mining Workshop(PAKDD2000), pp. 7--13, Kyoto, Japan, April 18-20, 2000.
  2. Naohiro Matsumura, Yukio Ohsawa and Mitsuru Ishizuka: Discovering Promising New Topics from the WWW, Proc. Knowledge-Based Intelligent Engineering Systems & Allied Technologies(KES2000), pp. 804--807, Brighton, U.K., August 30, 31, September 1, 2000.
  3. Naohiro Matsumura and Yukio Ohsawa: Combination Retrieval for Creating Knowledge from Sparse Document Collection, Proc. Discovery Science(DS2000), pp. 320--324, LNAI 1967, Springer Verlag, Kyoto, Japan, December 4-6, 2000.
  4. Naohiro Matsumura, Yukio Ohsawa and Mitsuru Ishizuka: Future Directions of Communities on the Web, Proc. JSAI workshop on Chance Discovery session, pp. 17--20, Shimame Pref., May 22, 2001.
  5. Yukio Ohsawa, Naohiro Matsumura and Mitsuru Ishizuka: Discovering Topics to Enhance Communities' Creation from Links to the Future, Proc. International World Wide Web Conference (WWW10), Hong Kong, May 1-5, 2001.
  6. Naohiro Matsumura, Yukio Ohsawa and Mitsuru Ishizuka: Future Directions of Communities on the Web, The World Multi-Conference on Systemics, Cybernetics and Informatics (SCI2001), Invited session on ``Chance Discovery'', Vol. 8, pp. 406--409, Orland, Florida, USA, July 22-25, 2001. selected as the best paper
  7. Naohiro Matsumura, Yukio Ohsawa and Mitsuru Ishizuka: Discovery of Emerging Topics between Communities on WWW, The First Asia-Pacific Conference on Web Intelligence (WI-2001), LNAI 2198, pp. 473--482, Maebashi TERRSA, Maebashi City, Japan, October 23-26, 2001.
  8. Naohiro Matsumura, Yukio Ohsawa and Mitsuru Ishizuka: Discovering Seeds of New Interest Spread from Premature Pages Cited by Multiple Communities, The First Asia-Pacific Conference on Web Intelligence (WI-2001), LNAI 2198, pp. 195--199, Maebashi TERRSA, Maebashi City, Japan, October 23-26, 2001.
  9. Naohiro Matsumura, Yukio Ohsawa and Mitsuru Ishizuka: Discovery of Emerging Topics by Co-citation Graph on the Web, Proc. of the Fifth International Conference on Knowledge-Based Intelligent Engineering Systems & Allied Technologies(KES2001), IOS press, Osaka, Japan, September 6-8, 2001.
  10. Naohiro Matsumura, Yukio Ohsawa and Mitsuru Ishizuka: Knowledge Navigation on Visualizing Complementary Documents, Proc. of the Fourth International Conference on Discovery Science(DS2001), Springer Verlag(LNAI2226), pp. 258--280, 2001.
  11. Naohiro Matsumura, Yukio Ohsawa and Mitsuru Ishizuka: Influence Diffusion Model in Text-based Communication, Poster, Proc. 11th International World Wide Web Conference (WWW02), 2002.
  12. Naohiro Matsumura, Yukio Ohsawa and Mitsuru Ishizuka: Mining Mailing List Archives, Poster, Proc. 11th International World Wide Web Conference (WWW02), 2002.
  13. Ohsawa, Y., Soma, H., Matsuo, Y., Matsumura, N. and Usui, M.: Featuring Web Communities based on Word Co-occurrence Structure of Communications, Proc. 11th International World Wide Web Conference (WWW02), 2002.
  14. Naohiro Matsumura, Yukio Ohsawa, Mitsuru Ishizuka: Profiling of Participants in Online-Community, Chance Discovery Session on the Seventh Pacific Rim International Conference on Artificial Intelligence (PRICAI-2002), 2002.
  15. Naohiro Matsumura, Yuko Ohsawa, Mitsuru Ishizuka: Automatic Indexing Based on Term Activities, Poster, Proc. The Seventh Pacific Rim International Conference on Artificial Intelligence (PRICAI-2002), 2002.
  16. Naohiro Matsumura, Yukio Ohsawa and Mitsuru Ishizuka: Mining and Characterizing Opinion Leaders from Threaded Online Discussions, Proc. 6th International Conference on Knowledge-Based Intelligent Engineering Systems & Allied Technologies(KES2002), IOS Press, Ohmsha (ISSN:0922-6389), Crema, Italy, pp. 1267--1270, 2002.
  17. Makoto Mizuno, Hiroko Shoji, Yukio Osawa, Yutaka Matsuo, Naohiro Matsumura, Yuzo Miyake: Toward a Chance Discovery-Oriented Recomemender System: A Prototype, Proc. 6th International Conference on Knowledge-Based Intelligent Engineering Systems & Allied Technologies(KES2002), IOS Press, Ohmsha (ISSN:0922-6389), Crema, Italy, 2002.
  18. Naoki Okazaki, Yutaka Matsuo, Naohiro Matsumura, Hironori Tomobe, and Mitsuru Ishizuka: Extracting Characteristic Sentences from Related Documents, Proc. 6th International Conference on Knowledge-Based Intelligent Engineering Systems & Allied Technologies(KES2002), IOS Press, Ohmsha (ISSN:0922-6389), Crema, Italy, pp. 1257--1261, 2002.
  19. Naoaki Okazaki, Yutaka Matsuo, Naohiro Matsumura, Hironori Tomobe, Mitsuru Ishizuka: Two Different Summarization Method at NTCIR3-TSC2: Coverage Oriented and Focus Oriented, Working Notes of the Third NTCIR Workshop Meeting, NTCIR Workshop 3 Meeting TSC2, pp. 39--46, 2002.
  20. Naohiro Matsumura, Yukio Ohsawa, Mitsuru Ishizuka: PAI: Automatic Indexing for Extracting Asserted Keywords from a Document, AAAI Fall Symposium on Chance Discovery, Technical Report FS-02-01, ISBN 1-57735-172-x, 2002.
  21. Naoaki Okazaki, Yutaka Matsuo, Naohiro Matsumura and Mitsuru Ishizuka: Sentence Extraction by Spreading Activation with Refined Similarity Measure, Proc. 16th Int'l FLAIRS Conf., pp. 407--411, 2003.
  22. Naohiro Matsumura, Asako Miura, Yasufumi Shibanai, and Yukio Ohsawa: The Dynamism of Online Community, 3rd International Workshop on Chance Discovery and Its Management, A Full-day Workshop in HCI International 2003, Crete, Greece, pp. 69--77, June 27, 2003.
  23. Takaharu Araki, Saori Hamada, Naohiro Matsumura, Seiko Niwase, Yukio Ohsawa, and Katsutoshi Yada: Chance Discovery from Consumer Research Using KeyGraph, A Full-day Workshop in HCI International 2003, Crete, Greece, pp. 45--54, June 27, 2003.
  24. Naohiro Matsumura, Asako Miura, Yasufumi Shibanai, Yukio Ohsawa, and Toyoaki Nishida: The Dynamism of 2channel, SID-2003:Social Intelligence Design, Royal Holloway University of London at Egham, Surrey, July 6-8, 2003.
  25. Yukio Ohsawa, Naoaki Okazaki, Naohiro Matsumura, Akio Saiura, and Hajime Fujie: A Scenario Development on Hepatitis B and C, Second International Workshop on Active Mining (AM-2003), Maebachi, Japan, October 28, 2003.
  26. Yukio Ohsawa, Hajime Fujie, Akio Saiura, Naoaki Okazaki, Naohiro Matsumura: Process to Discovering Iron Decrease as Chance to Use Interferon to Hepatitis B, Third International Workshop on Active Mining (AM-2004), Kanazawa, Japan, June 1, 2004.
  27. Koichi Takahashi, Yukio Ohsawa, Naohiro Matsumura: Emergence of Product Value from On-line Communications, KES2004, 2004.
  28. Renate Fruchter, Yukio Ohsawa, Naohiro Matsumura: Knowledge Reuse through Chance Discovery from an Enterprise Design-Build Enterprise Data Store, The First European Workshop on Chance Discovery, ECAI2004, 2004.
  29. Xavier Llorà, Naohiro Matsumura, David E. Goldberg, Yukio Ohsawa, Kei Ohnishi, and Antonio Gonzales: Discovering Chance Scenarios using Small-World KeyGraph and Evolutionary Computation, The First International Workshop on Chance Discovery, ECAI2004, 2004.
  30. Xavier Llorà, Naohiro Matsumura, David E. Goldberg, Yukio Ohsawa, Kei Ohnishi, Antonio Gonzales, Discovering Chance Scenarios using Small-World KeyGraphs and Evolutionary Computation, IlliGAL Technical Report 2004026, Illinois Genetic Algorithms Lab. University of Illinois at Urbana-Champaign, 2004.
  31. Naohiro Matsumura, David E. Goldberg, Llorà, X. :Mining Social Networks in Message Boards, IlliGAL Technical Report 2005001, Illinois Genetic Algorithms Lab. University of Illinois at Urbana-Champaign, 2005.
  32. Naohiro Matsumura: Community Management for Fertile Community, International Workshop on The Grammar of Technology Development - Accelerating New Technology Development by Statistical Thinking -, Tokyo, Japan, January 17-18, 2005.
  33. Naohiro Matsumura: Collaborative Communication Strategies in Online Community, Social Intelligence Design 2005 (SID2005), March 24-26, Stanford, CA, USA, 2005.
  34. Yukio Ohsawa, Naohiro Matsumura, Koichi Takahashi: Resonance without Response: The Way of Topic Growth in Communication, Social Intelligence Design 2005 (SID2005), March 24-26, Stanford, CA, USA, 2005.
  35. Naohiro Matsumura, David E. Goldberg, Xavier Llorà: Mining Social Networks in Message Boards, AISB 2005 Symposium on Conversational Informatics for Supporting Social Intelligence & Interaction, England, April 12-13, 2005.
  36. Naohiro Matsumura, David E. Goldberg, Xavier Llorà: Mining Directed Social Network from Message Board, Proc. 14th International World Wide Web Conference (WWW2005), Poster, pp. 1092--1093, May 10-14, Chiba, Japan, 2005.
  37. Naohiro Matsumura, David E. Goldberg, Xavier Llorà: Communication Gaps in Social Networks, The Fourth IEEE International Workshop on Soft Computing as Transdisciplinary Science and Technology(WSTST'05), pp. 543--552, Muroran, Japan, May 22-27, 2005.
  38. Yukio Ohsawa, Naohiro Matsumura, Naoaki Okazaki: Understanding Scenarios of Individual Patients of Hepatitis in Double Helical Process Involving KeyGraph and DSV, The Fourth IEEE International Workshop on Soft Computing as Transdisciplinary Science and Technology(WSTST'05), pp. 456--469, Muroran, Japan, May 22-27, 2005.
  39. Naohiro Matsumura, Yoshihiro Sasaki: Leader Qualification in Managing Nonprofit Organization, International Workshop on Conversational Informatics, pp. 63--68, 13-14 June 2005, Kita-Kyushu, Japan.
  40. Daigo Naito, Kohei Yamamoto, Katsutoshi Yada, Naohiro Matsumura, Kosuke Ohno, Hiroshi Tamura: Does WEB Log Data Reveal Consumer Behavior?, ECML/PKDD Discovery Challenge 2005, October 3-10, Porto, Portugal, pp. 43--54, 2005.
  41. Katsutoshi Yada, Naohiro Matsumura, Daigo Naito, Kosuke Ohno, Hiroshi Tamura, Kohei Yamamoto: Does WEB Log Data Reveal Consumer Behavior by Integrating Data Mining Techniques, Academy of Marketing Science Annual Conference, 2006.
  42. Katsutoshi Yada, Naohiro Matsumura: Knowledge discovery from the structure of persuasive communication, IEEE Conference on Systems, Man, and Cybernetics, October 8-11, 2006, Taipei, Taiwan, pp. 1741--1746, 2006.
  43. Naohiro Matsumura, Yoshihiro Sasaki: Reliable Leadership Behaviors in Online Communication, IEEE Conference on Systems, Man, and Cybernetics, October 8-11, 2006, Taipei, Taiwan, pp. 1735--1740, 2006.
  44. Naohiro Matsumura, Yoshihiro Sasaki: Multi-Data Mining for Understanding Leadership Behavior, CODATA2006 Discovery Workshop on Interdisciplinary Communication for Risk Management with Multi-Data Mining
  45. Naohiro Matsumura, Yoshihiro Sasaki: Understanding Leadership Behavior in Human Influence Network, 2006 IEEE /WIC/ACM International Conference on Web Intelligence (WI 2006), pp. 95--102, 18-22 December 2006, Hong Kong, China.
  46. Daisuke Kobayashi, Naohiro Matsumura: Automatic Gender Estimation of Bloggers' Gender, International Conference on Weblogs and Social Media (ICWSM), pp. 279--280, March 26-28, 2007, Boulder, Colorado, U.S.A.
  47. Naohiro Matsumura: Field Mining: Reconstructing Relations between Human, Objects, and Environment, Proc. First International Symposium on Universal Communication, p. 153--156, June 14 (Thu) - 15 (Fri), 2007 (Invited)
  48. Naohiro Matsumura, Toshio Shimizu, Masahiko Yachida: Capturing Entrainment-based Interpersonal Communication Using Omni-directional Camera, Proc. SID2007, pp. 217--226, Trento, Italy, July 2-4, 2007.
  49. R. Fruchter, S. Swaminathan, N. Matsumura, Y. Ohsawa: Influence Leaders in Global Teamwork, Proc. SID2007, pp. 179--189, Trento, Italy, July 2-4, 2007.
  50. Naohiro Matsumura, Hikaru Yamamoto, Daisuke Tomozawa: Finding Influencers and Consumer Insights in the Blogosphere, International Conference on Weblogs and Social Media (ICWSM-08), Seattle, WA, March 31-April 2, pp. 76--83, 2008. [PDF]
  51. Renate Fruchter, Shubashri Swaminathan, Naohiro Matsumura, Yukio Ohsawa: Interaction Dynamics in AEC Global Teamwork, The 12th International Conference on Computing in Civil and Building Engineering & 2008 International Conference on Information Technology in Construction (ICCCBE-XII & INCITE 2008) (Oct. 16-18, 2008)
  52. Hikaru Yamamoto, Naohiro Matsumura: Optimal Heterophily for Word-of-Mouth Diffusion, International AAAI Conference on Weblogs and Social Media (ICWSM-09), pp. 350--353 (2009)
  53. Hikaru Yamamoto, Naohiro Matsumura: The Power of Grassroots Influentials, The 2009 IEEE International Conference on Social Computing (SocialCom 2009), pp. 456-462 (2009)
  54. Naohiro Matsumura, Hikaru Yamamoto: Monetary Value of Customer Networks in Mobile Social Networking Services, International AAAI Conference on Weblogs and Social Media (ICWSM2010), pp. 287--290 (2010.5)
  55. Hikaru Yamamoto, Naohiro Matsumura: Measuring the Value of Customer in Mobile Social Networking Services, The 2010 INFORMS Marketing Science Conference (2010.6)
  56. Hikaru Yamamoto, Naohiro Matsumura: Marketing Ecosystem: The Dynamics of Twitter, TV Advertising, and Customer Acquisition, Social Mobile Web (SMW'11), pp. 45--52 (2011.7)
  57. Hikaru Yamamoto, Naohiro Matsumura: The Effect of Relational Context on Personal Influence, Workshop on Social Behavioral Analysis and Behavioral Change (SBABC2011), The Third IEEE International Conference on Social Computing (SocialCom2011), pp. 1480--1485 (2011.10)
  58. Hikaru Yamamoto, Naohiro Matsumura: The Effect of Earned and Paid Media on Customer Acquisition, 2012 Global Marketing Conference, pp. 1034--1052 (Seoul, 2012/7/19-22)
  59. Masashi Komori, Naohiro Matsumura, Asako Miura, Chika Nagaoka: Relationships between periodic behaviors in micro-blogging and the users' baseline mood, Proc. 13th ACIS International Conference on Software Engineering, Artificial Intelligence, Networking and Parallel/Distributed Computing (SNPD), pp. 405-410 (2012.8)
  60. Shoko Yamane, Naohiro Matsumura: The Clock Effect on the Task Performance, Proc. SCIS-ISIS2012, pp. 695--700. (2012.11)
  61. Naohiro Matsumura: Shikake as an Embodied Trigger for Behavior Change, AAAI 2013 Spring Symposium (2013) (to appear)
  62. Naohiro Matsumura, Renate Fruchter: Shikake Trigger Categories, AAAI 2013 Spring Symposium (2013) (to appear)
  63. Shunichiro Oka, Shoko Yamane, and Naohiro Matsumura: Boiled Pumpkin as a Nudge: Evidence from a University Cafeteria, AAAI 2013 Spring Symposium (2013) (to appear)
  64. Shoko Yamane, Naohiro Matsumura: The Clock Ticking Changes Our Performance, AAAI 2013 Spring Symposium (2013) (to appear)

Journal Editors

  1. Editorial board member, Japanese Society for Artificial Intelligence (JSAI) (2006-2010)
  2. Editorial board member, Journal of Information Processing Society of Japan (IPSJ) (2010-2012)
  3. IEEE-SMC technical committee, Information Systems for Design and Marketing (2006-present)
  4. Council member, Japanese Society for Artificial Intelligence (JSAI) (2010-present)

Conference Committees

  1. Program committee, The 2004 IEEE/WIC/ACM International Conference on Web Intelligence (WI2004)
  2. Program committee, The International Workshop on Conversational Informatics (2005)
  3. Co-chair, Social Intelligence Design 2006 (SID2006)
  4. Program committee, Social Intelligence Design (SID2007)
  5. Program committee, Social Intelligence Design (SID2009)
  6. Program committee, Social Intelligence Design (SID2010)
  7. Program committee, Int'l AAAI Conference on Weblogs and Social Media (ICWSM2008)
  8. Program committee, Int'l AAAI Conference on Weblogs and Social Media (ICWSM2009)
  9. Co-Chair, Organized Session on Influential Medium, SCIS-ISIS2012 (2012)
  10. Organizer, Shikakeology: Designing Triggers for Behavior Change, AAAI 2013 Spring Symposium Series (2013)

Research Grants

  1. (May 2005 – February 2006) Information Technology Promotion Agency of Japan (IPA) grant on explorative software development (Mito Project), "Idea-Sparking Discussion System", Principal Creator.
  2. (April 2006 - March 2007) Japanese Society for the Promotion of Science (JSPS) Grant-in-Aid for Young Scientists (B), "Communication Environment Design for Sparking Inspiration", Principal Investigator.
  3. (April 2006 - March 2008) Japanese Society for the Promotion of Science (JSPS) Grant-in-Aid for Scientific Research (A), "Studies for Strategic Environmental Management -Supply Chain Management Approach-", with Takayuki Asada (Principal Investigator).
  4. (April 2007 - March 2009) Japanese Society for the Promotion of Science (JSPS) Grant-in-Aid for Scientific Research (A), "Study for Medical Risk Management using Mobile Equipment at Health Care Facility", with Toshiyuki Maeda (Principal Investigator).
  5. (April 2009 - March 2012) Japanese Society for the Promotion of Science (JSPS) Grant-in-Aid for Young Scientists (B), "Influence Diffusion on the Internet", Principal Investigator.
  6. (Apri 2012 – March 2015) Japanese Society for the Promotion of Science (JSPS) Grant-in-Aid for Scientific Research (A), "Empirical Research on Open Innovation: Products, Markets, Industries, and Management Points of View", Principal Investigator.”, with Toshio Kobayashi (Principal Investigator)
  7. (April 2012 - March 2015) Japanese Society for the Promotion of Science (JSPS) Grant-in-Aid for Scientific Research (C), "Influence Diffusion in the Real World", Principal Investigator.