Combination Retrieval for Creating Knowledge from Sparse Document Collection. - Naohiro Matsumura; Yukio Ohsawa (Discovery Science, 2000)

Discovering promising new topics on the WWW. - Naohiro Matsumura; Mitsuru Ishizuka; Yukio Ohsawa (KES, 2000)

Knowledge Navigation on Visualizing Complementary Documents. - Naohiro Matsumura; Yukio Ohsawa; Mitsuru Ishizuka (Discovery Science, 2001)

Future Directions of Communities on the Web. - Naohiro Matsumura; Yukio Ohsawa; Mitsuru Ishizuka (JSAI Workshops, 2001)

Discovering Seeds of New Interest Spread from Premature Pages Cited by Multiple Communities. - Naohiro Matsumura; Yukio Ohsawa; Mitsuru Ishizuka (Web Intelligence, 2001)

Discovery of Emerging Topics between Communities on WWW. - Naohiro Matsumura; Yukio Ohsawa; Mitsuru Ishizuka (Web Intelligence, 2001)

Discovering Topics to Enhance Communities of Creation from Links to the Future. - Yukio Ohsawa; Naohiro Matsumura; Mitsuru Ishizuka (WWW Posters, 2001)

Two Different Summarization Methods at NTCIR3-TSC2: Coverage Oriented and Focus Oriented. - Naoaki Okazaki; Yutaka Matsuo; Naohiro Matsumura; Hironori Tomobe; Mitsuru Ishizuka (NTCIR, 2002)

Automatic Indexing Based on Term Activities. - Naohiro Matsumura; Yukio Ohsawa; Mitsuru Ishizuka (PRICAI, 2002)

Featuring web communities based on word co-occurrence structure of communications: 736. - Yukio Ohsawa; Hirotaka Soma; Yutaka Matsuo; Naohiro Matsumura; Masaki Usui (WWW, 2002)

Automatic Indexing for Extracting Asserted Keywords from a Document. - Naohiro Matsumura; Yukio Ohsawa; Mitsuru Ishizuka (New Gener. Comput., 2002)

Topic Diffusion in a Community. - Naohiro Matsumura (Chance Discovery, 2003)

Chance Discoveries from the WWW. - Naohiro Matsumura; Yukio Ohsawa (Chance Discovery, 2003)

Cooperative Scenario Mining from Blood Test Data of Hepatitis B and C. - Yukio Ohsawa; Hajime Fujie; Akio Saiura; Naoaki Okazaki; Naohiro Matsumura (Active Mining, 2003)

Sentence Extraction by Spreading Activation with Refined Similarity Measure. - Naoaki Okazaki; Yutaka Matsuo; Naohiro Matsumura; Mitsuru Ishizuka (FLAIRS, 2003)

Process to Discovering Iron Decrease as Chance to Use Interferon to Hepatitis B. - Yukio Ohsawa; Hajime Fujie; Akio Saiura; Naoaki Okazaki; Naohiro Matsumura (JSAI Workshops, 2004)

Emergence of Product Value from On-line Communications. - Koichi Takahashi; Yukio Ohsawa; Naohiro Matsumura (KES, 2004)

Leader Qualification in Managing Nonprofit Organization. - Naohiro Matsumura; Yoshihiro Sasaki (JSAI Workshops, 2005)

Communication Gaps in Social Networks. - Naohiro Matsumura; David E. Goldberg; Xavier Llorà (WSTST, 2005)

Understanding Scenarios of Individual Patients of Hepatitis in Double Helical Process Involving KeyGraph and DSV. - Yukio Ohsawa; Naohiro Matsumura; Naoaki Okazaki (WSTST, 2005)

Mining directed social network from message board. - Naohiro Matsumura; David E. Goldberg; Xavier Llorà (WWW (Special interest tracks and posters), 2005)

The dynamism of 2channel. - Naohiro Matsumura; Asako Miura; Yasufumi Shibanai; Yukio Ohsawa; Toyoaki Nishida (AI Soc., 2005)

Combination retrieval for creating knowledge from sparse document-collection. - Naohiro Matsumura; Yukio Ohsawa; Mitsuru Ishizuka (Knowl. Based Syst., 2005)

Reliable Leadership Behaviors in Online Communication. - Naohiro Matsumura; Yoshihiro Sasaki (SMC, 2006)

Knowledge Discovery from the structure of Persuasive Communication. - Katsutoshi Yada; Naohiro Matsumura (SMC, 2006)

Understanding Leadership Behavior in Human Influence Network. - Naohiro Matsumura; Yoshihiro Sasaki (Web Intelligence, 2006)

Modeling Influence Diffusion in Human Society. - Naohiro Matsumura (Chance Discoveries in Real World Decision Making, 2006)

Resonance without Response: The Way of Topic Growth in Communications. - Yukio Ohsawa; Naohiro Matsumura; Koichi Takahashi (Chance Discoveries in Real World Decision Making, 2006)

Automatic Estimation of Bloggers' Gender. - Daisuke Kobayashi; Naohiro Matsumura; Mitsuru Ishizuka (ICWSM, 2007)

Multi-data Mining for Understanding Leadership Behavior. - Naohiro Matsumura; Yoshihiro Sasaki (Data Sci. J., 2007)

Human influence network for understanding leadership behavior. - Naohiro Matsumura; Yoshihiro Sasaki (Int. J. Knowl. Based Intell. Eng. Syst., 2007)

Communication Gap Management for Fertile Community. - Naohiro Matsumura; David E. Goldberg; Xavier Llorà (Soft Comput., 2007)

Finding Influencers and Consumer Insights in the Blogosphere. - Naohiro Matsumura; Hikaru Yamamoto; Daisuke Tomozawa (ICWSM, 2008)

Multi-Data Mining for Understanding Leadership Behavior. - Naohiro Matsumura; Yoshihiro Sasaki (Communications and Discoveries from Multidisciplinary Data, 2008)

The Power of Grassroots Influentials: The Optimal Heterophily between Sender and Receiver. - Hikaru Yamamoto; Naohiro Matsumura (CSE (4), 2009)

Optimal Heterophily for Word-of-Mouth Diffusion. - Hikaru Yamamoto; Naohiro Matsumura (ICWSM, 2009)

Social intelligence design: a junction between engineering and social sciences. - Asako Miura; Naohiro Matsumura (AI Soc., 2009)

Monetary Value of Customer Networks in Mobile Social Networking Services. - Naohiro Matsumura; Hikaru Yamamoto (ICWSM, 2010)

Marketing Ecosystem: The Dynamics of Twitter, TV Advertising, and Customer Acquisition. - Hikaru Yamamoto; Naohiro Matsumura (The Social Mobile Web, 2011)

The Effect of Relational Context on Personal Influence. - Hikaru Yamamoto; Naohiro Matsumura (SocialCom/PASSAT, 2011)

The clock effect on the task performance. - Shoko Yamane; Naohiro Matsumura (SCIS&ISIS, 2012)

Relationships between Periodic Behaviors in Micro-blogging and the Users' Baseline Mood. - Masashi Komori; Naohiro Matsumura; Asako Miura; Chika Nagaoka (SNPD, 2012)

A Shikake as an Embodied Trigger for Behavior Change. - Naohiro Matsumura (AAAI Spring Symposium: Shikakeology, 2013)

Shikake Trigger Categories. - Naohiro Matsumura; Renate Fruchter (AAAI Spring Symposium: Shikakeology, 2013)

Boiled Pumpkin as a Nudge: Evidence from a University Cafeteria. - Shunichiro Oka; Shoko Yamane; Naohiro Matsumura (AAAI Spring Symposium: Shikakeology, 2013)

The Clock Ticking Changes Our Performance. - Shoko Yamane; Naohiro Matsumura (AAAI Spring Symposium: Shikakeology, 2013)

Preliminary Considerations on Shikake Design Process. - Naohiro Matsumura; Larry J. Leifer (TAAI, 2013)

Reports of the 2013 AAAI Spring Symposium Series. - Vita Markman; Georgi Stojanov; Bipin Indurkhya; Takashi Kido; Keiki Takadama; George Dimitri Konidaris; Eric Eaton; Naohiro Matsumura; Renate Fruchter; Donald A. Sofge; William F. Lawless; Omid Madani; et al. (AI Mag., 2013)

Shikakeological Approach for Health Enhancement. - Naohiro Matsumura; Shoko Yamane (AAAI Spring Symposia, 2015)

Shikake Data Market for Collaborative Shikake Creation. - Naohiro Matsumura; Hideaki Takeda 001 (ICDM Workshops, 2015)

Special issue: Shikakeology: From framework to implementation. - Naohiro Matsumura; Renate Fruchter (AI Soc., 2015)

Shikakeology: designing triggers for behavior change. - Naohiro Matsumura; Renate Fruchter; Larry J. Leifer (AI Soc., 2015)

The effect of a ticking clock on task performance. - Shoko Yamane; Naohiro Matsumura (AI Soc., 2015)

Media and Sentiments in the Great East Japan Earthquake Related Tweets - Social Media as "Meta Media". - Naohiro Matsumura; Asako Miura; Masashi Komori; Kai Hiraishi (ICSC, 2016)

Media Mediate Sentiments: Exploratory Analysis of Tweets Posted Before, During, and After the Great East Japan Earthquake. - Naohiro Matsumura; Asako Miura; Masashi Komori; Kai Hiraishi (Int. J. Knowl. Soc. Res., 2016)

Familiarity and Strangeness of Objects: A MoDAT Requirement for Shikake Design. - Naohiro Matsumura (ICDM Workshops, 2017)

The Effect of Using a Mirror to Evoke Self-Consciousness in Bicycle Riding Suppression. - Eito Fukugami; Naohiro Matsumura (TAAI, 2019)

Candy-Package Envelopes to Prompt Handwritten Letters. - Aoi Nishiuchi; Haruna Morita; Naohiro Matsumura (TAAI, 2019)

Preliminary Experiment on the Effect of a Magic Circle on Behavior Change. - Seiya Tsubaki; Naohiro Matsumura (TAAI, 2019)

A Button Promotes Tasting. - Chikayoshi Tsuda; Naohiro Matsumura (TAAI, 2019)

Selected Papers from the 35th JSAI Annual Meeting. - Akinori Abe; Naohiro Matsumura; Katsutoshi Yada (New Gener. Comput., 2022)