Abstract
Semantic Web makes the automatic discovery and invocation of Web services become possible. But existing methods perform the capability matching, which is crucial for service discovery, either only according to inputs and outputs (IO), which results in a not very precise matching, or trying to match the precondition and effect (PE) of services by FOL, which results in an undecidable reasoning. This paper propose a multistrategy semantic web service matching approach which matchmakes the web service from four aspects such as input/outputs precondition/effect , non-functional description information and quality of service. We will give a formal description of our approach and evaluate it with experiments which demonstrate that our solution yields high-quality results under realistic situation.
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