Invention Grant
US09390301B2 User grouping apparatus and methods based on collected wireless IDs in association with location and time 有权
基于与位置和时间相关联的收集的无线ID的用户分组设备和方法

User grouping apparatus and methods based on collected wireless IDs in association with location and time
Abstract:
An RFID aggregate storage stores a radio-frequency ID aggregate structure. The RFID aggregate structure is an aggregated data structure of a plurality of RFIDs, in which each RFID is associated with a location and time read out from a RFID tag, and RFID related information, hierarchically constructed by classifying RFIDs based on the readout location and further by classifying them based on the readout time. A proximity evaluator evaluates the proximity between the first user's RF ID aggregate and the second user's RFID aggregate. A user classifier classifies the first user and the second user in one group when the proximity is smaller than a predetermined threshold value.
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