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QoS-aware Composition of Web Services: A Look at Selection Algorithms
Citation key JaMuGo:2005:SelectionAlgorithms
Author Michael C. Jaeger and Gero Mühl and Sebastian Golze
Title of Book IEEE International Conference on Web Services (ICWS'05)
Pages 807–808
Year 2005
ISBN 0-7695-2409-5
Address Miami, Florida, USA
Month jul
Publisher IEEE Press
Abstract When a composition of Web services is designed, available services are put together to form a defined flow of executions. In a discovery process, a trader proposes available Web services as potential candidates. In a succeeding selection, for each task a trader chooses one candidate to form the optimal composition due to selection criteria. This paper discusses how the selection can consider different Quality-of-Service (QoS) categories to determine the most suitable candidates for the composition. If more than one category is used for optimisation, a multi-dimensional optimisation problem arises. This mentions similarities to similar combinatorial problems. Then, possible solutions are proposed and their performance is evaluated.
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