Journal Article


Quality Model and Metrics of Ontology for Semantic Descriptions of Web Services

Abstract

‚ÄčAn ontology is a conceptualisation of domain knowledge. It is employed in semantic web services technologies to describe the meanings of services so that they can be dynamically searched for and composed according to their meanings. It is essential for dynamic service discovery, composition and invocation. Whether an ontology is well constructed has a tremendous impact on the accuracy of the semantic description of a web service, the complexity of the semantic definitions, the efficiency of processing messages passed between services, and the precision and recall rates of service retrieval from service registrations. However, measuring the quality of an ontology remains an open problem. Work on the evaluation of ontologies do exist, but they are not in the context of semantic web services. This paper addresses this problem by proposing a quality model of ontology and defining a set of metrics that enables the quality of an ontology to be measured objectively and quantitatively in the context of semantic descriptions of web services. These metrics cover the contents, presentation and usage aspects of ontologies. The paper also presents a tool that implements these metrics and reports a case study on five real-life examples of web services.

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Authors

Zhu, H
Liu, D
Bayley, I
Aldea, A
Yang, Y
Chen, Y

Oxford Brookes departments

Faculty of Technology, Design and Environment\Department of Computing and Communication Technologies

Dates

Year of publication: 2017
Date of RADAR deposit: 2017-02-13



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