Feature Selection in Categorizing Procedural Expressions Mineki Takechi author Takenobu Tokunaga author Yuji Matsumoto author Hozumi Tanaka author 2003-07 text Proceedings of the Sixth International Workshop on Information Retrieval with Asian Languages Association for Computational Linguistics Sapporo, Japan conference publication takechi-etal-2003-feature 10.3115/1118935.1118942 https://aclanthology.org/W03-1107/ 2003-07 49 56