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An MAS-Based ETL Approach for Complex Data
Omar Boussaïd, Fadila Bentayeb, Jérôme Darmont
In a data warehousing process, the phase of data integration is crucial. Many methods for data integration have been published in the literature. However, with the development of t…
Knowledge and Metadata Integration for Warehousing Complex Data
Jean-Christian Ralaivao, Jérôme Darmont
With the ever-growing availability of so-called complex data, especially on the Web, decision-support systems such as data warehouses must store and process data that are not only…
An Architecture Framework for Complex Data Warehouses
Jérôme Darmont, Omar Boussaid, Jean-Christian Ralaivao +1
Nowadays, many decision support applications need to exploit data that are not only numerical or symbolic, but also multimedia, multistructure, multisource, multimodal, and/or mult…
Sélection simultanée d'index et de vues matérialisées
Nora Maiz, Kamel Aouiche, Jérôme Darmont
Indices and materialized views are physical structures that accelerate data access in data warehouses. However, these data structures generate some maintenance overhead. They also…
Un index de jointure pour les entrepôts de données XML
Hadj Mahboubi, Kamel Aouiche, Jérôme Darmont
XML data warehouses form an interesting basis for decision-support applications that exploit heterogeneous data from multiple sources. However, XML-native database systems currentl…