@inproceedings{Takechi:2003:IRAL,
  author = {Takechi, Mineki  and  Tokunaga, Takenobu  and  Matsumoto, Yuji  and  Tanaka, Hozumi},
  title  = {Feature Selection in Categorizing Procedural Expressions},
  booktitle = {Proceedings of the Sixth International Workshop on Information Retrieval with Asian Languages},
  editor = {Jun Adachi and Kam-Fai Wong},
  url    = {http://www.aclweb.org/anthology/W03-1107.pdf},
  year   = 2003,
  pages  = {49--56}
}