Three English Learner Assistance Systems Using Automatic Paraphrasing Techniques Masaki Murata author Hitoshi Isahara author 2004-12 text Proceedings of the 18th Pacific Asia Conference on Language, Information and Computation Hiroshi Masuichi editor Tomoko Ohkuma editor Kiyoshi Ishikawa editor Yasunari Harada editor Kei Yoshimoto editor Logico-Linguistic Society of Japan Waseda University, Tokyo, Japan conference publication murata-isahara-2004-three http://hdl.handle.net/2065/585 https://aclanthology.org/Y04-1032/ 2004-12 299 306