Approche transactionnelle pour assurer des compositions fiables de services web

Abstract : In this thesis, we are interested in ensuring reliable Web services compositions. For that purpose, we propose a model that (i) extends Web services description to express better their transactional properties and that (ii) extends and merge workflow systems and advanced transactional models (ATM). We develop three approaches, based on this model, to ensure reliable Web services compositions. Contrary to the ATM, the first approach starts from the designers requirements to determine the transactional mechanisms allowing to ensure correct executions. The second approach proceeds by re-engineering of the composite service (CS). This approach allows to improve a CS recovery mechanisms by analysing its executions traces. The third approach is based on the concept of Transactional Patterns , a new concept we introduce. A Transactional Pattern is a pattern that combines the workflow flexibility and the ATM reliability. We define a CS by connecting together a set of transactional patterns. We use a set of coherence rules to ensure that the defined CS is reliable.
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Sami Bhiri. Approche transactionnelle pour assurer des compositions fiables de services web. Autre [cs.OH]. Université Henri Poincaré - Nancy 1, 2005. Français. ⟨NNT : 2005NAN10116⟩. ⟨tel-01746679v1⟩



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