@inproceedings{weko_134406_1,
   author	 = "塚田,政嘉 and 黒川,恭一",
   title	 = "マイナスキーワードの自動抽出",
   booktitle	 = "全国大会講演論文集",
   year 	 = "1998",
   volume	 = "第57回",
   number	 = "人工知能と認知科学",
   pages	 = "287--288",
   month	 = "oct"
}