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Effective QoS Aware Web Service Composition in Dynamic Environment

  • Peter BartalosEmail author
  • Mária BielikováEmail author
Conference paper

Abstract

Nowadays, several web services composition approaches, each considering various aspects of the composition problem, are known. Consequently, a lot of attention shifts to the performance issues of web service composition. This paper presents an effective QoS aware composition approach. Our work focuses to its performance, which is studied also in dynamically changing environment, where new services are deployed, some services are removed, or the QoS characteristics change in time. We analyze the impact of the need to manage these changes to the sojourn of the composition query in the system. The experiments show that the proposed composition system is handling these changes effectively and the sojourn time is not significantly affected.

Notes

Acknowledgements

This work was supported by the Scientific Grant Agency of SR, grant No. VG1/0508/09 and it is a partial result of the Research & Development Operational Program for the project Support of Center of Excellence for Smart Technologies, Systems and Services II, ITMS 25240120029, co-funded by ERDF.

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Copyright information

© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  1. 1.Institute of Informatics and Software EngineeringSlovak University of TechnologyBratislavaSlovakia

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