@article{weko_15020_1,
   author	 = "菅沼,明 and 倉田,昌典 and 牛島,和夫",
   title	 = "日本語文章推敲支援ツール『推敲』における否定表現の抽出法",
   journal	 = "情報処理学会論文誌",
   year 	 = "1990",
   volume	 = "31",
   number	 = "6",
   pages	 = "792--800",
   month	 = "jun"
}