AWSCS-A System to Evaluate Different Approaches for the Automatic Composition and Execution of Web Services Flows |
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| Authors: | Bruno Tardiole Kuehne Julio Cezar Estrella Luiz Henrique Nunes Edvard Martins de Oliveira Luis Hideo Nakamura Carlos Henrique Gomes Ferreira Regina Helena Carlucci Santana Stephan Reiff-Marganiec Marcos José Santana |
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| Institution: | 1. IESTI, Federal University of Itajubá, Itajubá, MG, Brazil.; 2. ICMC, University of São Paulo, São Carlos, SP, Brazil.; 3. Department of Computer Science, University of Leicester, Leicester, UK.; King Saud University, Kingdom of Saudi Arabia, SAUDI ARABIA, |
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| Abstract: | This paper proposes a system named AWSCS (Automatic Web Service Composition System) to evaluate different approaches for automatic composition of Web services, based on QoS parameters that are measured at execution time. The AWSCS is a system to implement different approaches for automatic composition of Web services and also to execute the resulting flows from these approaches. Aiming at demonstrating the results of this paper, a scenario was developed, where empirical flows were built to demonstrate the operation of AWSCS, since algorithms for automatic composition are not readily available to test. The results allow us to study the behaviour of running composite Web services, when flows with the same functionality but different problem-solving strategies were compared. Furthermore, we observed that the influence of the load applied on the running system as the type of load submitted to the system is an important factor to define which approach for the Web service composition can achieve the best performance in production. |
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