View selection deals with the selection of appropriate sets of views capable of improving the
response times for queries while conforming to space constraints. Materializing all views is …

Materialized view selection problem is a NP-hard, constrained optimization problem where
the pre-computation of views is censorious for query performance enhancement and …

Résumé Le sujet abordé rentre dans le contexte de l'optimisation des entrepôts de données
relationnels. Il consiste à utiliser l'algorithme basé sur les colonies de fourmis pour la …

This paper proposed a modified strategy of group query based on materialized view (GQMV)
from the aspect of improving searching capability. This strategy accelerate the searching …

Data warehouses store current and historical data, which are used for creating reports, for
the purpose of supporting decision-making. A data warehouse uses materialized views in …

In recent years, the distance learning has become as a new approach to complete the
training. Unfortunately, and despite all its advantages, it still suffers of a significant drop-out …

Today's huge volumes of data are maintained in conventional database systems. The data
distributed in these systems sometimes come in inconsistent formats. On the other hand …

One of the important issues in data warehousing is the selection of a set of views to
materialize in order to minimize the cost. Materialized view can provide the massive …

Résumé Aujourd'hui les entrepôts de données jouent un rôle important dans le domaine
d'informatique décisionnelle. L'un des paramètres de performance de ces entrepôts est le …