Academic Activities

Thesis

• Yutaka Kabutoya. Studies on Contents Recommendation based on Probabilistic Models (In Japanese). Doctoral Thesis, Computer Science, Systems and Information Engineering, University of Tsukuba, 2013.

International Conference

1. Yutaka Kabutoya, Tomoharu Iwata, Hiroyuki Toda, Hiroyuki Kitagawa. A probabilistic model for diversifying recommendation lists. The 15th Asia-Pacific Web Conference (APWeb 2013), April, 2013.
2. Yutaka Kabutoya, Robert Sumi, Tomoharu Iwata, Toshio Uchiyama, Tadasu Uchiyama. A topic model for recommending movies via Linked Open Data. 2012 IEEE/WIC/ACM International Conferences on Web Intelligence and Intelligent Agent Technology (WI 2012), December, 2012.
3. Yutaka Kabutoya, Kyosuke Nishida, Ko Fujimura. Dynamic network motifs: evolutionary patterns of substructures in complex networks. The 13th Asia-Pacific Web Conference (APWeb 2011), April, 2011.
4. Yutaka Kabutoya, Tomoharu Iwata, Ko Fujimura. Modeling multiple users’ purchase over a single account for collaborative filtering. The 11th International Conference on Web Information Systems Engineering (WISE 2010), December, 2010.
5. Yutaka Kabutoya, Tomoharu Iwata, Hisako Shiohara, Ko Fujimura. Effective question recommendation based on multiple features for question answering communities. The Fourth International AAAI Conference on Weblogs and Social Media (ICWSM 2010), May, 2010.

Journal

1. Yutaka Kabutoya, Tomoharu Iwata, Ko Fujimura. Collaborative Filtering based on Topic Models Considering an Account Shared by Multiple Users. DBSJ Journal, Vol. 9, No. 3, pp.7-12, Feburary, 2011.
2. Yutaka Kabutoya, Tomoharu Iwata, Hisako Shiohara, Ko Fujimura. Effective Question Recommendation Using Multiple Features for Question Answering Communities. IPSJ Transaction on Database (TOD), Vol. 3, No. 4, pp.34-47, December, 2010.
3. Yutaka Kabutoya, Harumi Kawashima, Ko Fujimura. Questions Recommendation Based on Evolution Patterns of a QA Community. DBSJ Journal, Vol. 8, No. 1, pp.89-94, June, 2009.

Letters

1. Yutaka Kabutoya, Takayuki Yumoto, Satoshi Oyama, Keishi Tajima, Katsumi Tanaka. Supporting TV News Reception by Visualizing the Contents Coverage, Generality, and Acceptance of the Topics. DBSJ Letters, Vol. 6, No. 1, pp.61-64, June, 2007.

Workshop

1. Yutaka Kabutoya, Takayuki Yumoto, Satoshi Oyama, Keishi Tajima, Katsumi Tanaka. Comparative quality evaluation of TV contents based on Web analysis. The 3rd IEEE International Workshop on Databases for Next Generation Researchers (SWOD 2007), April, 2007.
2. Yutaka Kabutoya, Takayuki Yumoto, Satoshi Oyama, Keishi Tajima, Katsumi Tanaka. Quality estimation of local contents based on pagerank values of web pages. The 22nd International Conference on Data Engineering Workshops (ICDEW 2006), April, 2006.