@techreport{weko_50295_1,
   author	 = "MASAYUKI,OKABE and SEIJI,YAMADA",
   title	 = "Query Expansion with the Minimum Judgement",
   year 	 = "2004",
   institution	 = "Toyohashi University of Technology, National Institute of Informatics",
   number	 = "125(2004-ICS-138)",
   month	 = "dec"
}