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A Semantic QoS-Based Web Service Discovery Engine for Over-Constrained QoS Demands

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Part of the book series:Lecture Notes in Computer Science ((LNPSE,volume 4907))

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Abstract

The success of the Web Service (WS) paradigm has led to a proliferation of available WSs. Semantic discovery mechanisms have been invented to overcome UDDI’s syntactic discovery solution by providing more precise results. However, the problem remains as many functionally-equivalent WSs are returned. Its solution comes in terms of semantic QoS-based description and discovery of WSs. We have already presented a rich and extensible ontology language for QoS-based WS description that is called OWL-Q and we have proposed a semantic QoS metric matching algorithm. Based on this algorithm, we have extended a Constraint-Programming-based approach for QoS-based WS discovery. In this paper, we show an extension of OWL-Q with SWRL rules and propose a modification to the metric matching algorithm to make it more feasible. Moreover, we propose and analyze an automated approach for semantic QoS-based WS discovery that provides solutions even for over-constrained QoS-based WS demands.

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Authors and Affiliations

  1. Institute of Computer Science, FORTH, Greece

    Kyriakos Kritikos & Dimitris Plexousakis

Authors
  1. Kyriakos Kritikos

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  2. Dimitris Plexousakis

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Editors and Affiliations

  1. Dipartimento di Elettronica e Informazione, Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133, Milano, Italy

    Elisabetta Di Nitto

  2. Department of Electrical and Computer Engineering, University of British Columbia, 2356 Main Mall, BC V6T 1Z4, Vancouver, Canada

    Matei Ripeanu

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© 2009 Springer-Verlag Berlin Heidelberg

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Kritikos, K., Plexousakis, D. (2009). A Semantic QoS-Based Web Service Discovery Engine for Over-Constrained QoS Demands. In: Di Nitto, E., Ripeanu, M. (eds) Service-Oriented Computing - ICSOC 2007 Workshops. ICSOC 2007. Lecture Notes in Computer Science, vol 4907. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-93851-4_15

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