@techreport{weko_49035_1,
   author	 = "永田,昌明",
   title	 = "単語頻度の期待値に基づく未知語の自動収集",
   year 	 = "1996",
   institution	 = "NTT情報通信研究所知的通信処理研究部",
   number	 = "114(1996-NL-116)",
   month	 = "nov"
}