@article{weko_15154_1,
   author	 = "上林,弥彦 and 天野,浩文",
   title	 = "基本関係データベース演算による自然言語表現の変換",
   journal	 = "情報処理学会論文誌",
   year 	 = "1989",
   volume	 = "30",
   number	 = "10",
   pages	 = "1316--1323",
   month	 = "oct"
}