@techreport{weko_94352_1,
   author	 = "Kazuaki,Kishida",
   title	 = "Experiment of Document Clustering by Triple-pass Leader-follower Algorithm without Any Information on Threshold of Similarity",
   year 	 = "2013",
   institution	 = "School of Library and Information Science, Keio University",
   number	 = "23",
   month	 = "jul"
}