AIC Seminar Series

A common situation within Web Service usage is that the functionality provided by a Web service does not precisely match with the one requested by a client. In order to handle such functional heterogeneity, general purpose reasoning procedures for central reasoning tasks like Web service discovery become complex and thus expensive with respect to time and resource consumption. With respect to Web scalability, a technique is presented for increasing the efficiency of functional discovery for Semantic Web services. Therefore, so-called Delta-Relations are introduced that denote the explicit logical relationship between functional descriptions of Web services and requests. On basis of these, collections of related goals with semantically described relations are determined automatically, referred to as goal ontologies. This additionally gained knowledge on the correlation of goals as the driving elements for using Web services is utilized for omitting or reducing the need of expensive reasoning procedures.

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