La Découverte de Workflow
Transactionnel pour la Fiabilisation des
Exécutions

Walid Gaaloul 1
1 ECOO - Environment for cooperation
INRIA Lorraine, LORIA - Laboratoire Lorrain de Recherche en Informatique et ses Applications
Abstract : A continuous evolution of business process parameters, constraints and needs, hardly unforeseeable initially, requires from the business process management systems a continuous design and a reliable process model. In this thesis, we are interested in developing a reactive design through a process logs analysis ensuring process reengineering and execution reliability.

For that purpose, we introduce, first, a transactional workflow model that extends the workflow systems by merging them with the advanced transactional models. This model, which is formally described, allows to better specify recovery mechanisms necessary to ensure execution reliability. We propose, thereafter, workflow logs analysis techniques for workflow mining and transactional behavior improvement. Our approach starts by
collecting workflow logs. Then, we build, by statistical analysis techniques, an intermediate representation specifying activities elementary dependencies. These dependencies are refined to mine the transactional workflow model. The analysis of the disparities between the discovered model and the initially designed model enables us to be detect design gaps (anomalies), concerning particularly the recovery mechanisms. In function of these observations, we apply a set of improvement and/or correction rules on the initially designed workflow.

The major contribution of our proposal is its ability to take into account process evolution needs observed at runtime. This allows to ensure an evolutionary workflow design guaranteeing, among others, correct and reliable execution.
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Walid Gaaloul. La Découverte de Workflow
Transactionnel pour la Fiabilisation des
Exécutions. Génie logiciel [cs.SE]. Université Henri Poincaré - Nancy 1, 2006. Français. ⟨NNT : 2006NAN10130⟩. ⟨tel-01746856v2⟩

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