25 research outputs found
Integrating a Multi-agent System in a Data Warehouse
Though data warehouse (DWH) conceptual design requires particular techniques, other than adopted for operational systems, few efforts have been made so far, to develop a complete and consistent conceptual design methodology. In this paper, we outline a general framework for DWH conceptual design. Our research is mainly focused on a new DWH modelling approach based on a meta-model coping with entity/relationship (E/R), multidimensional and object oriented (OO) models. The proposed approach is divided into four levels:- data sources models level;- data integration mode