Omar BoussaidOmar Boussaid is an associate professor in computer science at the School of Economics and Management of the University of Lyon 2, France. He received his Ph.D. degree in computer science from the University of Lyon 1, France in 1988. Since 1995, he s the director of the Master Computer Science Engineering for Decision and Economic Evaluation of the University of Lyon 2. He is a member of the Decision Support Databases research group within the ERIC Laboratory. His main research subjects are data warehousing, multidimensional databases and OLAP. His current research concerns complex data warehousing, XML warehousing, data mining-based multidimensional modelling, OLAP and data mining combining and mining metadata in RDF form. Read More Read Less