Abstract
Semantic Web service studies are carried out around the OWL-S, however, OWL-S model does not contain the descrip-tion of preferences and constraints when we choose and use them in different organizations, different cultures, different sectors and actors because of OWL capacity limitations in rules. It means that Semantic Web service composition can not compose users’ subjective services from the user requirements. The paper makes up for the semantic shortcoming of OWL-S through using norm semantic scalability, and achieves the formal description of the norm by using the situation calculus. Finally, the paper also takes a tourism composite service as an example how to extend the ability of the semantic description of OWL-S, which shows us the combination of the norm and the situation calculus. It is positive significance for eventually realizing semantic extension of OWL-S.
Highlights
Web services are described using WSDL, but WSDL only from the syntactic layer of the Web service description
Semantic Web service studies are carried out around the OWL-S, OWL-S model does not contain the description of preferences and constraints when we choose and use them in different organizations, different cultures, different sectors and actors because of OWL capacity limitations in rules
It means that Semantic Web service composition can not compose users’ subjective services from the user requirements
Summary
Web services are described using WSDL, but WSDL only from the syntactic layer of the Web service description. It does not support the rich semantic descriptions. Web services are an increasingly important resource of web, it require semantic to provide wide range semantic support. As the capacity limitations of the rules of OWL, OWL-S model does not include the description of preferences and constraints in users’ selection and use of services, which always manifests in the form of rules. Norm in order to ensure the correctness of norm and the user correct expression of various scene constraints, and provide more accurate and subjective service in expression of the preferences
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