In this chapter we consider a cell phone network as a set of automatically deployed sensors that records movement and interaction patterns of the population. We discuss methods fo...
The usage of descriptive data mining methods for predictive purposes is a recent trend in data mining research. It is well motivated by the understandability of learned models, the...
Finding Contiguous Sequential Patterns (CSP) is an important problem in Web usage mining. In this paper we propose a new data structure, UpDown Tree, for CSP mining. An UpDown Tre...
To effectively support today's global economy, database systems need to manage data in multiple languages simultaneously. While current database systems do support the storag...
T-Araneus is a tool for the generation of Web sites with special attention to temporal aspects. It builds on previous experiences in the management of data-intensive Web-sites, an...