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The data warehouse design is currently recognized as the most important and complicated phase in any project of decision support system implementation. Its complexity is primarily due to the proliferation of data source types and the lack of a standardized and well-structured method, hence the increasing interest from researchers who have tried to develop new methods for the automation and standardization of this critical stage of the project. In this paper, the authors present the set of developed methods that follows the data-driven paradigm, and they propose a new data-driven method called X-ETL. This method aims to automating the data warehouse design by generating star models from relational data. This method is mainly based on a set of rules derived from the related works, the Model-Driven Architecture (MDA) and the XML language.

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MoDisco is an Eclipse Generative Modeling Technologies project (GMT Project) intended to make easier the design and building of model-based solutions that are dedicated to legacy systems Model-Driven Reverse Engineering (MDRE). It offers an open source, generic and extensible MDRE framework. Indeed, MDRE applies of Model-driven Engineering (MDE) principles to enhance traditional Reverse Engineering processes, and thus facilitate their understanding and manipulation. In the same context, the Architecture-Driven Modernization (ADM) is an OMG (Object Management Group) standard, which addresses the integration of MDA (Model-driven Architecture) and Reverse Engineering in the aim of understanding and evolving existing software assets. Thus, Modisco succeeded to stand out as the implementation reference in the MDRE and ADM field. Currently, Modisco handles only some technologies, such as Java and XML. Unfortunately, no adapted way to handle PHP (Hypertext Preprocessor) web-based projects by Modisco is available so far. This paper proposes a new model discovery tool intended for PHP language. This latter constitutes an extension for the Modisco framework that allows managing the applications assets written in PHP language. Thus, this work aims at enhancing the Modisco platform capabilities in managing more software development technologies.