Proposal and Evaluation of Significant Words Selection Method Based on AIC. - Shigeki Ohira; Katsuhiko Shirai (NTCIR, 1999)

Information Retrieval using Relevance Feedback. - Shuntaro Isogai; Shigeki Ohira; Katsuhiko Shirai (NTCIR, 2001)

Annotation-Based Multimedia Summarization and Translation. - Katashi Nagao; Shigeki Ohira; Mitsuhiro Yoneoka (COLING, 2002)

Video Scene Retrieval Using Online Video Annotation. - Tomoki Masuda; Daisuke Yamamoto; Shigeki Ohira; Katashi Nagao (JSAI, 2007)

Collaborative Video Scene Annotation Based on Tag Cloud. - Daisuke Yamamoto; Tomoki Masuda; Shigeki Ohira; Katashi Nagao (PCM, 2008)

Video Scene Annotation Based on Web Social Activities. - Daisuke Yamamoto; Tomoki Masuda; Shigeki Ohira; Katashi Nagao (IEEE Multim., 2008)

Discovery of Meeting-particle Links and Their Application to Meeting Recollection Support. - Kentaro Ishitoya; Shigeki Ohira; Katashi Nagao (KDIR, 2011)

Behavioral Analysis of Learners Using Smart Devices in an Indirect Learning System. - Shigeki Ohira (ICCE, 2014)

Assessing motivation and capacity to argue in a gamified seminar setting. - Shigeki Ohira; Kousuke Kawanishi; Katashi Nagao (TEEM, 2014)

RA-Concierge: Gamification for Enhancing Research Activities. - Shigeki Ohira; Saya Sugiura; Katashi Nagao (ICCE, 2015)

Proposed framework for gamifying research activities. - Shigeki Ohira; Saya Sugiura; Katashi Nagao (TEEM, 2015)

Gamifying research activity support system. - Shigeki Ohira; Saya Sugiura; Katashi Nagao (TEEM, 2016)

Task Execution Support in Research Activity using RAC System. - Shigeki Ohira; Naoya Morita; Katashi Nagao (FedCSIS (Communication Papers), 2017)

Support for the Cycle of Task Extraction, Goal Setting and Assessment in Research Activities. - Shigeki Ohira; Naoya Morita; Katashi Nagao (ICCE, 2017)

Automatic Evaluation of Students' Discussion Skill Based on their Heart Rate. - Shimeng Peng; Shigeki Ohira; Katashi Nagao (CSEDU (Selected Papers), 2018)

Development of "KamiRepo" system with automatic student identification to handle handwritten assignments on LMS. - Shunya Seiya; Ryuya Ito; Kosuke Okamoto; Ukyo Tanikawa; Shigeki Ohira; Daisuke Deguchi; Tomoki Toda (EDUCON, 2018)

Discussion-skill Analytics with Acoustic, Linguistic and Psychophysiological Data. - Katashi Nagao; Kosuke Okamoto; Shimeng Peng; Shigeki Ohira (KDIR, 2019)

Reading Students' Multiple Mental States in Conversation from Facial and Heart Rate Cues. - Shimeng Peng; Shigeki Ohira; Katashi Nagao (CSEDU (1), 2020)

Recognition of Students' Multiple Mental States in Conversation Based on Multimodal Cues. - Shimeng Peng; Shigeki Ohira; Katashi Nagao (CSEDU (Selected Papers), 2020)