Representation method for a set of documents from the viewpoint of Bayesian statistics. - Masayuki Goto; Takashi Ishida 004; Shigeichi Hirasawa (SMC, 2003)

Properties of a Word-Valued Source with a Non-prefix-free Word Set. - Takashi Ishida 004; Masayuki Goto; Toshiyasu Matsushima; Shigeichi Hirasawa (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2006)

Statistical Evaluation of Measure and Distance on Document Classification Problems in Text Mining. - Masayuki Goto; Takashi Ishida 004; Shigeichi Hirasawa (CIT, 2007)

Word Segmentation for the Sequences Emitted from a Word-Valued Source. - Takashi Ishida 004; Toshiyasu Matsushima; Shigeichi Hirasawa (CIT, 2007)

English and Taiwanese text categorization using N-gram based on Vector Space Model. - Makoto Suzuki; Naohide Yamagishi; Yi-Ching Tsai; Takashi Ishida 004; Masayuki Goto (ISITA, 2010)

On a new model for automatic text categorization based on Vector Space Model. - Makoto Suzuki; Naohide Yamagishi; Takashi Ishida 004; Masayuki Goto; Shigeichi Hirasawa (SMC, 2010)

A proposal of extended cosine measure for distance metric learning in text classification. - Kenta Mikawa; Takashi Ishida 004; Masayuki Goto (SMC, 2011)

An Effective Flipped Classroom Based on Log Information of Self-Study. - Katsuyuki Umezawa; Michitaka Aramoto; Manabu Kobayashi; Takashi Ishida 004; Makoto Nakazawa; Shigeichi Hirasawa (ACIT-CSI, 2015)

A Method Based on Self-Study Log Information for Improving Effectiveness of Classroom Component in Flipped Classroom Approach. - Katsuyuki Umezawa; Takashi Ishida 004; Michitaka Aramoto; Manabu Kobayashi; Makoto Nakazawa; Shigeichi Hirasawa (Int. J. Softw. Innov., 2016)

An Electroencephalograph-Based Method for Judging the Difficulty of a Task Given to a Learner. - Katsuyuki Umezawa; Tomohiko Saito; Takashi Ishida 004; Makoto Nakazawa; Shigeichi Hirasawa (ICALT, 2017)

Evaluation by Questionnaire on Grouped Flipped Classroom Method. - Katsuyuki Umezawa; Takashi Ishida 004; Makoto Nakazawa; Shigeichi Hirasawa (ICEED, 2018)

Application and Evaluation of a Grouped Flipped Classroom Method. - Katsuyuki Umezawa; Takashi Ishida 004; Makoto Nakazawa; Shigeichi Hirasawa (TALE, 2018)

Learning State Estimation Method by Browsing History and Brain Waves During Programming Language Learning. - Katsuyuki Umezawa; Tomohiko Saito; Takashi Ishida 004; Makoto Nakazawa; Shigeichi Hirasawa (WorldCIST (2), 2018)

Application of Grouped Flipped Classroom to Two-Year Actual Class and Its Statistical Evaluation. - Katsuyuki Umezawa; Takashi Ishida 004; Makoto Nakazawa; Shigeichi Hirasawa (ICCSE, 2019)

Learning-State-Estimation Method Using Browsing History and Electroencephalogram During Programming Language Learning and Its Evaluation. - Katsuyuki Umezawa; Tomohiko Saito; Takashi Ishida 004; Makoto Nakazawa; Shigeichi Hirasawa (HELMeTO, 2020)

Evaluation of Grouped Flipped Classrooms Compared with Three-Year Actual Classes Using a Questionnaire. - Katsuyuki Umezawa; Takashi Ishida 004; Makoto Nakazawa; Shigeichi Hirasawa (ICACIT, 2020)