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Theses

L'ingénierie de l'alignement : Concepts, Modèles et Processus.
La méthode ACEM pour la correction et l'évolution d'un système d'information aux processus d'entreprise

Abstract : The organisations frequently change. In order to remain competitive, their business processes
and their system have to evolve together what is not easy. Evolution is often performed from
a separate or event divergent manner. However, a rupture of the alignment relationship
between the system and the business processes leads to a decrease of the business
performance. The organisation thus need to master the joint evolution of the system and the
business processes what supposes to know if the system and the business processes manage
the same information or allow to reach the same goals in order to then correct the system or
the processes.
Researchers are interested in alignment issue most often by aligning IT strategy to business
strategy. We propose to move away from this simplistic vision by formally and rigorously
tackling the alignment issue, in an evolution context corresponding to the business daily
reality and allowing to better understand stakes and concepts of Alignment Engineering.
This thesis brings answers to the alignment issue and to its maintain during the time. We
precisely and formally define concepts necessary to the measure, the correction and the
evolution of alignment between a system and business processes.
Thus we propose ten metrics allowing to evaluate different and complementary aspects of the
alignment relationship. These metrics rely on (i) the use of models to represent the system and
the business processes and (ii) the definition of two links type between concepts of these
models.
We also propose a method, the ACEM method (Alignment Correction and Evolution
Method), to correct alignment and to make jointly evolve the system and business processes.
This method materialises the alignment relationship through a pivot model. It guides the
alignment engineers in the enactment of the different process steps while leaving them a large
choice freedom. The engineer makes evolve the pivot model by explicitly expressing
evolution requirements under the form of gaps.
These gaps operators and these metrics that we defined, can be used in other contexts. That
why, we define them at a generic level, independently of any specific meta-model. Processes
allow to easily and rigorously generate them for particular meta-models without using
engineer knowledge or special features of a project or a method.
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Contributor : Anne Etien <>
Submitted on : Thursday, March 8, 2007 - 4:20:44 PM
Last modification on : Tuesday, January 19, 2021 - 11:08:32 AM
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Anne Etien. L'ingénierie de l'alignement : Concepts, Modèles et Processus.
La méthode ACEM pour la correction et l'évolution d'un système d'information aux processus d'entreprise. domain_stic.inge. Université Panthéon-Sorbonne - Paris I, 2006. Français. ⟨tel-00135753⟩

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