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Theses

Canevas de domaines pour l'intégration de données

Abstract : The focus of many research works on data integration has been on problems inherent to semantic and schema integration, query languages and query processing. In this thesis, one we focus on the problematic of the construction of such systems. We apply architectural concepts of distributed systems, namely those of framework and software components, in order to propose a data integration middleware offering four levels of adaptability. At the architectural level, we define a framework of data domains, the main software component unit for data integration. A data integration system is defined by the composition of data domains. At the data model level, we adopt a hybrid data model with a flexible type system that takes into account the structural heterogeneity of the data models of data sources. At the query language level, we propose a query expression framework that allows the description of queries for both views definition and data domain interrogation, independently of a particular syntax. At the optimization level, we propose an adaptable query optimization framework, in sense that it allows the construction and support of diverse search strategies. The query expression and optimization frameworks have been implemented as part of ObjectWeb consortium projects. These implementations have been used for developpingment two java object persistence standards, namely JDO (Java Data Object) and EJB-CMP (Container Managed Persistence). In the context of component retrieval for large scale administration needs, we propose to use our middleware for a query service system making it possible to retrieve components from both repository of component templates and running systems through associative introspection.
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https://tel.archives-ouvertes.fr/tel-00010341
Contributor : Mourad Alia <>
Submitted on : Friday, September 30, 2005 - 4:01:35 PM
Last modification on : Wednesday, July 10, 2019 - 1:15:47 AM
Long-term archiving on: : Friday, April 2, 2010 - 10:49:50 PM

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  • HAL Id : tel-00010341, version 1

Citation

Mourad Alia. Canevas de domaines pour l'intégration de données. Réseaux et télécommunications [cs.NI]. Institut National Polytechnique de Grenoble - INPG, 2005. Français. ⟨tel-00010341⟩

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