@inproceedings{weko_110017_1,
   author	 = "田中翔平 and 岡崎直観 and 石塚満",
   title	 = "イベント共参照関係を利用した因果関係知識の獲得",
   booktitle	 = "第74回全国大会講演論文集",
   year 	 = "2012",
   volume	 = "2012",
   number	 = "1",
   pages	 = "641--642",
   month	 = "mar"
}