关键词: 射频识别, 复杂事件, 包装关系, 区间编码, 检测

Abstract: In RFID (radio frequency identification) supply chain systems, objects always travel to different places with different packing forms. It is difficult to detect the tag of each object. Current online and offline RFID complex processing methods focus on detection methods over the data with only one packing granularity and unable to proc-ess the data with multiple packing granularities. A new complex event detection method is proposed for RFID sup-ply chain systems. In the method, packing relationships are encoded by the region numbering scheme and main-tained in a database, which is combined with the online streams for complex event detection. Different strategies are applied to different kinds of complex event patterns. The experiments show that the method is effective and efficient.

Key words: radio frequency identification (RFID), complex event, packing, region numbering scheme, detecting