@techreport{weko_57643_1, author = "清水,徹 and 大野晃生 and 黒岩,眞吾 and 樋口,宜男", title = "文クラスタ混合分布N - gramの検討", year = "1998", institution = "(株)KDD研究所, (株)KDD研究所, (株)KDD研究所, (株)KDD研究所", number = "114(1998-SLP-024)", month = "dec" }