Yutaka Yoshida, Kozo Honda, Yuichi Sei, Hiroyuki Nakagawa, Yasuyuki Tahara, Akihiko Ohsuga: Towards semi-automatic identification of functional requirements in legal texts for public administration, The 26th International Conference on Legal Knowledge and Information Systems (JURIX2013), pp.175-184, IOS Press (2013/12).

Kazuhiro Tashiro, Takahiro Kawamura, Yuichi Sei, Hiroyuki Nakagawa, Yasuyuki Tahara, Akihiko Ohsuga: Classification of Idol Photography Based on Pose Guide Ontology, Proceedings of the 3rd Joint International Semantic Technology Conference (JIST 2013), PD4 (2013/11).