Robert WrembelRobert Wrembel is an assistant professor at the Poznañ University of Technology, Poland, and a lecturer at Oracle Poland. He received Ph.D. in computer science (databases) in 2001, and took part in four research projects on databases and four industral projects in the field of information technologies. He has paid a number of visits to research and education centers, including the INRIA Paris-Rocquencourt, France, the Paris Dauphine University, France, the Klagenfurt University, Austria, and the Loyola University, USA. His research interests encompass data warehouse technologies – temporal, multiversion, object-relational – and object-oriented systems – views, data access optimization. Read More Read Less