@article{weko_13123_1,
   author	 = "上島,紳一 and 森下,淳也 and 大月,一弘 and 杉山,武司",
   title	 = "階層構造グラフを用いた半構造化データの構造化手法",
   journal	 = "情報処理学会論文誌",
   year 	 = "1998",
   volume	 = "39",
   number	 = "4",
   pages	 = "857--867",
   month	 = "apr"
}