@techreport{weko_44887_1, author = "Leping,Huang and Kaoru,Sezaki", title = "An Assessment of Wireless Location Privacy Risks in High Precision Positioning System", year = "2004", institution = "Arco Tower 17F/The University of Tokyo, The University of Tokyo", number = "75(2004-CSEC-026)", month = "jul" }