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A Scenario-View Based Approach to Analyze External Behavior of Web Services for Supporting Mediated Service Interactions

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6 Author(s)
Zhangbing Zhou ; Digital Enterprise Res. Inst., Nat. Univ. of Ireland at Galway, Galway ; Sami Bhiri ; Lei Shu ; Kaizhu Huang
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Web service interactions have triggered the initiative to identify and solve mismatches from a behavioral aspect. Current approaches are limited since they mainly focus on control-flow but largely ignore data-flow. In this paper, we propose an approach to automatically generate scenarios and views for describing external behavior of Web services, i.e. the public process, considering both control-flow and data-flow. We define a scenario as a set of complete execution paths for a public process. Data dependencies are presented as a dependency graph, which is optimized into a minimal dependency graph. Then, a view is generated to describe a scenario for analysis purposes, and external behavior of a Web service is described as a finite set of views. Our approach is very useful for service modelers and users to better understand the external behavior of Web services, to identify and solve mismatches from a behavioral aspect, and thus to facilitate Web service interactions.

Published in:

Services Computing, 2008. SCC '08. IEEE International Conference on  (Volume:2 )

Date of Conference:

7-11 July 2008