12 citations · 22 across the 8 of their papers we have counts for
8 papers · 1 filter
Elaboration d'entrepôts de données complexes
Olivier Teste
In this paper, we study the data warehouse modelling used in decision support systems. We provide an object-oriented data warehouse model allowing data warehouse description as a c…
Modélisation et manipulation de données historisées et archivées dans un entrepôt orienté objet
Franck Ravat, Olivier Teste
This paper deals with temporal and archive object-oriented data warehouse modelling and querying. In a first step, we define a data model describing warehouses as central repositor…
Contraintes pour modèle et langage multidimensionnels
Faiza Ghozzi, Franck Ravat, Olivier Teste +1
This paper defines a constraint-based model dedicated to multidimensional databases. The model we define represents data through a constellation of facts (subjects of analyse) asso…
Modélisation et extraction de données pour un entrepôt objet
Franck Ravat, Olivier Teste, Zurfluh Gilles
This paper describes an object-oriented model for designing complex and time-variant data warehouse data. The main contribution is the warehouse class concept, which extends the cl…
Algèbre OLAP et langage graphique
Franck Ravat, Olivier Teste, Gilles Zurfluh
This article deals with OLAP systems based on multidimensional model. The conceptual model we provide, represents data through a constellation (multi-facts) composed of several mul…
Construction graphique d'entrepôts et de magasins de données
Frédéric Bret, Olivier Teste
Nowadays, decisional systems have became a significant research topic in databases. Data warehouses and data marts are the main elements of such systems. This paper presents our de…