| Autor: |
Tardiole Kuehne B; IESTI, Federal University of Itajubá, Itajubá, MG, Brazil., Estrella JC; ICMC, University of São Paulo, São Carlos, SP, Brazil., Nunes LH; ICMC, University of São Paulo, São Carlos, SP, Brazil., Martins de Oliveira E; ICMC, University of São Paulo, São Carlos, SP, Brazil., Hideo Nakamura L; ICMC, University of São Paulo, São Carlos, SP, Brazil., Gomes Ferreira CH; ICMC, University of São Paulo, São Carlos, SP, Brazil., Carlucci Santana RH; ICMC, University of São Paulo, São Carlos, SP, Brazil., Reiff-Marganiec S; Department of Computer Science, University of Leicester, Leicester, UK., Santana MJ; ICMC, University of São Paulo, São Carlos, SP, Brazil. |
| Abstrakt: |
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. |
