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Towards Formalizing QoS of Web Services with Weighted Automata

Pierre-Cyrille Heam 1 Olga Kouchnarenko 1 Jérôme Voinot 1
1 CASSIS - Combination of approaches to the security of infinite states systems
FEMTO-ST - Franche-Comté Électronique Mécanique, Thermique et Optique - Sciences et Technologies (UMR 6174), Inria Nancy - Grand Est, LORIA - FM - Department of Formal Methods
Abstract : Web services (WSs) are used more and more as components of distributed applications with a goal to resolve complex tasks that simple services cannot. This use of WSs is connected to the emergence of languages like WS-BPEL which allows describing the external behaviour of WSs on top of the service interfaces. The use of WSs as components of distributed applications implies the possibility to change a failing service for another which can do at least the same things as the replaced service. The composition issues are also of particular interest to WSs users. Different solutions have been proposed during the last years to check such properties, but, to our knowledge, none of them takes QoS aspects into account. This paper introduces underpinnings and a tool for verifying WSs substitutivity and well-formed composition while considering WSs costs such as the execution time of the different operations provided by WSs.
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https://hal.inria.fr/inria-00154453
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Submitted on : Thursday, June 14, 2007 - 10:32:27 AM
Last modification on : Wednesday, April 6, 2022 - 3:48:22 PM
Long-term archiving on: : Tuesday, September 21, 2010 - 1:07:24 PM

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  • HAL Id : inria-00154453, version 2

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Pierre-Cyrille Heam, Olga Kouchnarenko, Jérôme Voinot. Towards Formalizing QoS of Web Services with Weighted Automata. [Research Report] RR-6218, INRIA. 2007, pp.22. ⟨inria-00154453v2⟩

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