The availability of repositories of Web service descriptions enables interesting forms of dynamic Web service discovery, such as searching for Web services exposing a specified behavior – or contract. This calls for a formal notion of contract equivalence satisfying two contrasting goals: being as coarse as possible so as to favor Web services reuse, and guaranteeing smooth client/service interaction. We study an equivalence relation under the assumption that interactions are controlled by orchestrators. We build a simple orchestration language on top of this theory and we show how to synthesize orchestrators out of Web services contracts.

Contract-directed Synthesis of Simple Orchestrators

PADOVANI, Luca
2008-01-01

Abstract

The availability of repositories of Web service descriptions enables interesting forms of dynamic Web service discovery, such as searching for Web services exposing a specified behavior – or contract. This calls for a formal notion of contract equivalence satisfying two contrasting goals: being as coarse as possible so as to favor Web services reuse, and guaranteeing smooth client/service interaction. We study an equivalence relation under the assumption that interactions are controlled by orchestrators. We build a simple orchestration language on top of this theory and we show how to synthesize orchestrators out of Web services contracts.
2008
9783540853602
273
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11581/467962
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