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Proposition d'une modélisation conceptuelle d'alignement stratégique : La méthode INSTAL.

Abstract : Strategic alignment with Information Systems (IS) occurs when the enterprise goals are in harmony with business processes and systems that support them. As shown by reports and surveys, the alignment between IS and strategy is a top issue for which CIOs expect more maturity from practice. Actually, even if it is possible to construct efficient information systems and to define the organization strategy, it is essential to align these two entities in order to optimize the organization performance. The interest of alignment may be well recognized, however, too often, its implementation remains sadly limited. The INSTAL (INtentional STrategic ALignment) method deals with a new situation in IS engineering. It does not correspond to the traditional lifecycle in requirements engineering, which uses requirements propagation to construct a solution, or to a matching between requirements. It represents a different situation in which a set of linked objects have to evolve conjointly (co-evolution). Evolution is triggered by a change in business models (strategy) or by IS analysis. The method proposed for this new engineering situation is based on modeling the set of linked objects, guiding, analyzing, then defining evolution requirements in order to improve alignment. Unlike other approaches, which represent the strategic alignment in terms of dependencies between individual goals or elements, it is the alignment intentions shared by both levels to align (strategic and operational) that represent the strategic alignment. This is a distinctive characteristic of the INSTAL method, whose originality lies in the explicit modeling of alignment. The modeling of strategic alignment in INSTAL allows (1) modeling strategic alignment in terms of intentions shared by the elements to align, in a pivot model, (2) defining complex alignment links between the alignment intentions and the existing elements of the organization, in specifying the role played by each element in the link, and (3) defining metrics and measures that complete the alignment links. INSTAL proposes a methodological process that guides the evolution of strategic alignment in taking into account new alignment requirements and in analyzing current alignment (As-Is) (i.e. pivot models, alignment links, metrics/measures). The As-Is analysis allows discovering evolution requirements on the operational level (IS and business processes) required to obtain a To-Be situation which will be better aligned. This research has been validated through several case studies including the BNP Paribas French Retail Banking one, which has sponsored this thesis.
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Submitted on : Wednesday, March 24, 2010 - 10:04:00 PM
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  • HAL Id : tel-00466827, version 1



Laure-Hélène Thevenet. Proposition d'une modélisation conceptuelle d'alignement stratégique : La méthode INSTAL.. Autre [cs.OH]. Université Panthéon-Sorbonne - Paris I, 2009. Français. ⟨tel-00466827⟩



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