@techreport{weko_48704_1,
   author	 = "MdMarufHASAN and Yuji,MATSUMOTO",
   title	 = "Document Clustering : Before and After the Singular Value Decomposition",
   year 	 = "1999",
   institution	 = "Nara Institute of Science and Technology, Nara Institute of Science and Technology",
   number	 = "95(1999-NL-134)",
   month	 = "nov"
}