Aggregating Functional and Non-Functional Properties to Identify Service Compositions

Author:

Blanco Eduardo1,Cardinale Yudith1,Vidal María-Esther1

Affiliation:

1. Universidad Simón Bolívar, Venezuela

Abstract

This chapter presents an aggregated metric to estimate the quality of service compositions, and two algorithms to select the best compositions based on this metric. Both algorithms follow different strategies to prune the space of possibilities while minimizing the evaluation cost. The first algorithm, DP-BF, combines a best first strategy with a dynamic-programming technique. The second one, PT-SAM, adapts a Petri-net unfolding algorithm and tries to find a desired marking from an initial state. An experimental study was conducted in order to evaluate the behavior of DP-BF and PT-SAM compared to SAM and to the exhaustive solution. The experiments show that the quality of the compositions identified by the presented algorithms is close to the optimal solution produced by the exhaustive algorithm, while the optimization time is close to the time required by SAM to identify a solution.

Publisher

IGI Global

Cited by 5 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Service Modelling and Verification: A Formal Approach;Webservices;2018-12-01

2. Web Service Composition Based on Petri Nets: Review and Contribution;Resource Discovery;2013

3. Modeling Snapshot of Composite WS Execution by Colored Petri Nets;Resource Discovery;2013

4. Transactional-Aware Web Service Composition;Handbook of Research on Service-Oriented Systems and Non-Functional Properties;2012

5. Web service selection for transactional composition;Procedia Computer Science;2010-05

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