An SWRL Constraints-based Approach for Testing OWL-S-expressed Semantic Web Services

• 1、Institute of Network Technology, BUPT, Beijing 100876

Abstract：Web Services (WS) is based on technologies like WSDL, SOAP, and it is a service oriented system integration technology. It's widely used in distributed applications because of advantages like good distribution features, high reusability and independence of platforms. Semantic Web Services (SWS), applying technologies like OWL-S and SAWSDL to extend the semantic features, make it possible to find, select and composite WS automatically. As a relatively new technology, researches on it vary. But the quality assurance of SWS remains a challenge because of the immature testing skills. In this paper we proposed a SWRL constraints based approach to test OWL-S defined SWS. We extracted semantic information including inputs, outputs, preconditions and effects from OWL-S definition, analyzed the preconditions expressed in SWRL and then generated appropriate test data and test cases. Furthermore, we achieved test verdicts by judging test outputs. The proposed approach can effectively test the conformance of SWS and improve the automaticity and completeness for testing.

Keywords： Semantic Web Services semantic testing OWL-S rule validation SWRL