@techreport{weko_49286_1, author = "永田,昌明", title = "前向きDP後向きA*アルゴリズムを用いた確率的日本語形態素解析システム", year = "1994", institution = "NTT情報通信網研究所", number = "47(1994-NL-101)", month = "may" }