Science & Engineering Research Support soCiety (SERSC)
In the last few years, RFID is commonly used in many related fields of new service application and new study as one of the significant technological advancements, such as science manufacturing, logistics transportation, traffic management, medical information, and so on. Those intelligent and automatic innovative products gradually take the place of manpower. Due to low cost and remote automatic identification advantages, RFID technology seems to be a popular current trend. In RFID database, there is a vast number of RFID trajectory data with the spatial-temporal characteristic.