Abstract
With the growing of semantic Web services, distributed and dynamic discovering service becomes a key requirement for service requestors. However, current service discovery mainly focuses on centralized methods or decentralized approaches but only supports "exact match". All reported methods don't contain enough capability to support dynamic and automatic service discovery in a large scale network. In this paper, we propose a novel semantic-based Web services discovery approach based on structured P2P overlay network. This approach can be used to support the decentralized semantic service discovery procedure. In the provided approach, with the semantic service characteristic vector, the semantic service description is distributed on structured P2P network to allow requestors routing and locating services according to semantic similarity. Finally, experimental result shows that the presented approach is efficient and scalable.
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