Abstract

The match probability of automatic grid service composition is improved by Low Match Degree Service Composition Method (LMDSCM) based on semantic illation, similarity degree and graph search. With the concept aggregate similarity degree based on domain ontology defined, it is used to the calculating of service composition match degree and building of service composition graph. The optimization of service composition is transformed to shortest path problem. Finally, comparison between efficiency and satisfaction shows that LMDSCM has higher satisfaction degree than other method and is easy to produce best service composition project.

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