@techreport{weko_77208_1,
   author	 = "Kazuhiro,Minami",
   title	 = "Preventing Denial-of-request Inference Attacks in Location-sharing Services",
   year 	 = "2011",
   institution	 = "National Institute of Informatics",
   number	 = "8",
   month	 = "aug"
}