8 papers
Data Mining-based Fragmentation of XML Data Warehouses
Hadj Mahboubi, Jérôme Darmont
With the multiplication of XML data sources, many XML data warehouse models have been proposed to handle data heterogeneity and complexity in a way relational data warehouses fail…
Expressing OLAP operators with the TAX XML algebra
Marouane Hachicha, Hadj Mahboubi, Jérôme Darmont
With the rise of XML as a standard for representing business data, XML data warehouses appear as suitable solutions for Web-based decision-support applications. In this context, it…
A Complex Data Warehouse for Personalized, Anticipative Medicine
Jérôme Darmont, Emerson Olivier
With the growing use of new technologies, healthcare is nowadays undergoing significant changes. Information-based medicine has to exploit medical decision-support systems and requ…
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…
A Join Index for XML Data Warehouses
Hadj Mahboubi, Kamel Aouiche, Jérôme Darmont
XML data warehouses form an interesting basis for decision-support applications that exploit complex data. However, native-XML database management systems (DBMSs) currently bear li…
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…