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A Practical Approach to Enhancement of Accuracy of Similarity Model Using WordNet towards Semantic Service Discovery

A Practical Approach to Enhancement of Accuracy of Similarity Model Using WordNet towards Semantic Service Discovery
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Author(s): Chellammal Surianarayanan (Bharathidasan University, India), Gopinath Ganapathy (Bharathidasan University, India)and Manikandan Sethunarayanan Ramasamy (Bharathidasan University Constituent College, India)
 Copyright: 2014
 Pages: 21
 Source title: Handbook of Research on Demand-Driven Web Services: Theory, Technologies, and Applications
Source Author(s)/Editor(s): Zhaohao Sun (University of Ballarat, Australia & Hebei Normal University, China)and John Yearwood (Federation University, Australia)
 DOI: 10.4018/978-1-4666-5884-4.ch011

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Abstract

Semantic Web service discovery provides high retrieval accuracy. However, it imposes an implicit constraint to service clients that the clients must express their queries with the same domain ontologies as used by the service providers. Fulfilling this criterion is very tedious. Hence, a WordNet (general ontology)-based similarity model is proposed for service discovery, and its accuracy is enhanced to a level comparable to the accuracy of computing similarity using service specific ontologies. This is done by optimizing similarity threshold, which refers to a minimum similarity that is required to decide whether a given pair of services is similar or not. The proposed model is implemented and results are presented. The approach warrants clients to express their queries without specifying any ontology and alleviates the problem of maintaining complex domain ontologies. Moreover, the computation time of WordNet-based model is very low when compared to specific ontology-based model.

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