This paper addresses DW design problems, with the goal of improving the DW logical
design process. Some of the existing work in transformation oriented methodologies for DW …

For some decision processes a significant added value is achieved when enterprises'
internal Data Warehouse (DW) can be integrated and combined with external data gained …

The incorporation of suitable external data from the World Wide Web offers an effective
solution for enriching the data in the data warehouse (DW). However, the main challenge is …

In this paper, we present a Web Text Mining process able to discover knowledge in a
distributed and heterogeneous multiorganization environment. The Web Text Mining …

In this study, we introduce a web information fusion tool–web warehouse, which is suitable
for web mining and knowledge discovery. To formulate a web warehouse, a four-layer web …

In order to be a useful tool, a Web Warehouse (WW) should take into account the quality of
the data it manages and the quality of the services that provide the source data. It should …

Becoming more competitive and more effective in the current scenes of Business and Public
Administration, the organizations must be able to approach easily and quickly to the …

The process of building Data Warehouses (DW) is well known with well defined stages but
at the same time, mostly carried out manually by IT people in conjunction with business …

This work presents a schema evolution methodology able to propagate structural and
semantic modifications occurring in the local schemas of a federated database to the …

In recent years, World Wide Web has emerged as the most promising external data source
for organizations' Data Warehouses for valuable insights required in comprehensive …