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¿µ¹®³»¿ë¿ä¾à Ubiquitous computing network comprises a variety of distributed service devices.
Today web services technology enables the heterogeneous devices to provide their
own services and interact with each other via well-defined Internet protocol.
Nevertheless, service devices in ubiquitous environment require more event-driven,
autonomous interactions beyond the rather passive service-oriented architecture of
the present time. This paper presents an ECA (Event-Condition-Action) rule
description language in an attempt to support capability for autonomous interactions
among service-oriented devices in ubiquitous computing network. Specifically, the
proposed WS-ECA is an XML-based ECA rule de-scription language for web
service-enabled devices. The rules are embedded in distributed devices which invoke
appropriate services in the network if the rules are triggered by some internal or
external events. The presented ECA-based device coordination approach is expected
to facilitate seamless inter-operation among the web service-enabled devices in the
emerging ubiquitous computing environment.
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°ü·ÃÆÄÀÏ TTAE.OT-10.0123_ed15.pdf TTAE.OT-10.0123_ed15.pdf            

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