The practical, ubiquitous computing environment is the world where a variety of services based on RFID/USN devices are integrated with each other and create synergy effects together. An attempt to satisfy the needs motivated our research team to devise the new middle platform, which allows the heterogeneous service applications to easily collaborate within
an infrastructure platform. In order to maximize the degree of the collaboration effects, the middleware platform adopts the
flexible service organizing scheme, which makes users dene service scenario, triggered by the recognized events. This paper describes the scenario-based collaborative middleware platform for heterogeneous service systems in a RFID/USN
environment and presents the performance test results of the middleware platform.
Middleware; Ubiquitious Computing; RFID; USN; EDA; SOA
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