Sungwoo Ahn Bonghee Hong Efficient Query Processing for Tracing RFID Tags by Reordering Location Identifiers. 71-80 2008 RTCSA http://dx.doi.org/10.1109/RTCSA.2008.43 conf/rtcsa/2008 db/conf/rtcsa/rtcsa2008.html#AhnH08