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A Combinatorial Procurement Auction for QoS-Aware Web Services Composition

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5 Author(s)
Mohabey, M. ; Indian Inst. of Sci., Bangalore ; Narahari, Y. ; Mallick, S. ; Suresh, P.
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Business processes and application functionality are becoming available as internal web services inside enterprise boundaries as well as becoming available as commercial web services from enterprise solution vendors and web services marketplaces. Typically there are multiple web service providers offering services capable of fulfilling a particular functionality, although with different Quality of Service (QoS). Dynamic creation of business processes requires composing an appropriate set of web services that best suit the current need. This paper presents a novel combinatorial auction approach to QoS aware dynamic web services composition. Such an approach would enable not only stand-alone web services but also composite web services to be a part of a business process. The combinatorial auction leads to an integer programming formulation for the web services composition problem. An important feature of the model is the incorporation of service level agreements. We describe a software tool QWESC for QoS-aware web services composition based on the proposed approach.

Published in:

Automation Science and Engineering, 2007. CASE 2007. IEEE International Conference on

Date of Conference:

22-25 Sept. 2007