@article{weko_15475_1,
   author	 = "中川,優 and 加藤恒昭",
   title	 = "質問応答における話題管理方式について",
   journal	 = "情報処理学会論文誌",
   year 	 = "1987",
   volume	 = "28",
   number	 = "9",
   pages	 = "998--1001",
   month	 = "sep"
}