Optimal QoS-Aware Web Service Composition

Marco Aiello, Elie el Khoury, Alexander Lazovik, Patrick Ratelband

OnderzoeksoutputAcademicpeer review

30 Citaten (Scopus)
429 Downloads (Pure)

Samenvatting

The availability of many independent services on an open network opens the opportunity of composing individual instances to achieve complex functionality. Most often there are several possible compositions to achieve the same high-level functionality; the advantage of choosing one composition instead of another one may lie in the different quality of the composition, e.g., one might be cheaper, faster, or more reliable. In this paper, we focus on services described with XML documents and accessed via XML Protocols, known as Web services, and enriched with semantic and Quality of Service (QoS) annotations. We propose an algorithm that, given a desired functionality, returns a composition of services from a repository with the optimal response time or throughput. Services are composed taking into account an ontology of operation names expressed in OWL. RuGQoS is the related implementation.
Originele taal-2English
TitelJoint IEEE Conference on E-Commerce Technology and IEEE Conference on Enterprise Computing, E-Commerce and E-Services IEEE Computer
UitgeverijIEEE (The Institute of Electrical and Electronics Engineers)
Pagina's491-494
Aantal pagina's4
ISBN van geprinte versie9780769537559
StatusPublished - 2009

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