This book presents an overview of the most fundamental aspects of the theory that underlies the Relational Database Model.

This book constitutes the refereed proceedings of the Third International Conference on Adaptive Hypermedia and Adaptive Web-Based Systems, AH 2004, held in Eindhoven, The Netherlands in August 2004.

Traditional data mining techniques have been extensively applied to find interesting patterns, build descriptive and predictive models from large volumes of data accumulated through the use of different information systems.