@inproceedings{weko_173434_1,
   author	 = "下司,義寛 and 和,多太樹 and 廣川,佐千男",
   title	 = "概念グラフを用いた特許明細書群からの関連語抽出",
   booktitle	 = "第69回全国大会講演論文集",
   year 	 = "2007",
   volume	 = "2007",
   number	 = "1",
   pages	 = "391--392",
   month	 = "mar"
}