Computer Science ›› 2015, Vol. 42 ›› Issue (12): 120-123.

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Verification QoS of Web Services Compositional Processes

KAI Jin-yu, MIAO Huai-kou and GAO Hong-hao   

  • Online:2018-11-14 Published:2018-11-14

Abstract: Whether the Web services can win the market,on the premise of meeting the functional requirements,quality of service (QoS) becomes an important factor in judging its advantage.This paper adopted the technique of probability model checking to evaluate the QoS of the Web services computing combination process.In this paper,starting from the access log of user accessing a Web service,using the method of clustering,we constructed a user group-oriented QoS using model.As for the QoS requirement,we used the extended QoS state diagram to describe.And then,we used the simulation verification method in the tool of probabilistic model checking——PRISM to judge whether the behavior of the Web services computing combinational process satisfies its QoS requirement.

Key words: Web service quality requirements,User group-oriented QoS model of Web service compositional processes,Probabilistic model checking

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