Machine Learning groups in the world
Microsoft 

AUTON LAB, Carnegie Mellon

Stanford University 

Cornell University

University of Toronto

UMASS

Pattern Analysis & Machine Learning Research Group, University of Oxford

Bioinformatics
Systems Biology Center Technical University of Delft

'Bioinformatics and Evolutionary Genomics' - University of Ghent

Data Mining
Some web references on data mining by G. Bontempi

 Kmining

KDnuggets

KDUbiq

Data Mining Tutorials, Resources