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Towards Aligning and Matchmaking QoS-Based Web Service Specifications

Towards Aligning and Matchmaking QoS-Based Web Service Specifications

Kyriakos Kritikos, Dimitris Plexousakis
Copyright: © 2012 |Pages: 42
ISBN13: 9781613504321|ISBN10: 1613504322|EISBN13: 9781613504338
DOI: 10.4018/978-1-61350-432-1.ch010
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MLA

Kritikos, Kyriakos, and Dimitris Plexousakis. "Towards Aligning and Matchmaking QoS-Based Web Service Specifications." Handbook of Research on Service-Oriented Systems and Non-Functional Properties: Future Directions, edited by Stephan Reiff-Marganiec and Marcel Tilly, IGI Global, 2012, pp. 216-257. https://doi.org/10.4018/978-1-61350-432-1.ch010

APA

Kritikos, K. & Plexousakis, D. (2012). Towards Aligning and Matchmaking QoS-Based Web Service Specifications. In S. Reiff-Marganiec & M. Tilly (Eds.), Handbook of Research on Service-Oriented Systems and Non-Functional Properties: Future Directions (pp. 216-257). IGI Global. https://doi.org/10.4018/978-1-61350-432-1.ch010

Chicago

Kritikos, Kyriakos, and Dimitris Plexousakis. "Towards Aligning and Matchmaking QoS-Based Web Service Specifications." In Handbook of Research on Service-Oriented Systems and Non-Functional Properties: Future Directions, edited by Stephan Reiff-Marganiec and Marcel Tilly, 216-257. Hershey, PA: IGI Global, 2012. https://doi.org/10.4018/978-1-61350-432-1.ch010

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Abstract

QoS plays an important role in all service life-cycle activities, and consequently, has grabbed the researchers’ attention. Concerning QoS-based service description, the various approaches proposed adopt different meta-models and propose different QoS models mostly covering domain-independent NFPs and metrics. This lack of a common QoS meta-model and model causes serious accuracy problems in QoS-based service matchmaking. While mapping between QSDs is not difficult as they rely on similar meta-models, mapping between equivalent metrics specified even with the same meta-model is challenging. For this reason, a novel QoS metric matching algorithm has been proposed for metrics specified in the OWL-Q language. In this chapter, this algorithm is exploited for aligning OWL-Q specifications. Moreover, two novel QSM algorithms are proposed that advance the state-of-the-art by solving the problems of non-coverage of QoS demand metrics by QoS offers, erroneous matchmaking metrics, limited service categorization, and non-useful result production for over-constrained QoS demands.

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