Design of RFID Middleware Based on Complex Event Processing

This RFID technology has brought a revolution in data collection, thus putting forward real time constraints in middleware architectural design. This paper introduces complex event processing, an emerging technology for building and managing information systems, to discover, understand and report the meaningful events within processing streams. It discusses core principles for middleware to apply for the real time actions and the implementation of these principles through technologies such as event processing language (EPL), caching strategy and active database. Moreover, the CEP-oriented middleware architecture is based on the latest application level event (ALE) specification from EPCglobal