@article{oai:repository.dl.itc.u-tokyo.ac.jp:00000417, author = {西澤, 信一郎 and 中川, 裕志}, issue = {4}, journal = {自然言語処理}, month = {Oct}, note = {application/pdf}, pages = {61--72}, title = {日本語の自由会話における談話構造の推定}, volume = {4}, year = {1997} }