Efficient Localization based on Imprecise Anchors in RFID System Scenario Location is the most important factor Super Markets Libraries Xiang Lu,Lei Xie,Yafeng Yin,Wei Wang,Baoliu Ye,Sanglu Lu State Key Laboratory for Novel Software Technology,Nanjing University,ChinaScenario Xiang Lu, Lei Xie, Yafeng Yin, Wei Wang, Baoliu Ye, Sanglu Lu State Key Laboratory for Novel Software Technology, Nanjing University, China Efficient Localization based on Imprecise Anchors in RFID System Super Markets Libraries Location is the most important factor