@techreport{weko_92286_1,
   author	 = "坪坂正志",
   title	 = "言語モデルを使ったクエリログからの性別推定",
   year 	 = "2013",
   institution	 = "ヤフー株式会社",
   number	 = "14",
   month	 = "may"
}