Research team on Data & Web Mining


D. Gunopulos, M. Vazirgiannis, M. Halkidi, "From Unsupervised to Semi-supervised Learning: Algorithms and evaluation approaches", In 2006 SIAM Conference on Data Mining
Maria Halkidi, Michalis Vazirgiannis and Dimitrios Gunopulos, "Novel Aspects in Unsupervised Learning: Semi-Supervised and Distributed Algorithms", ECML/PKDD Conference, Berlin, Germany, September 2006 (1.36 MB) 
Magdalini Eirinaki, Michalis Vazirgiannis, "Web Mining for Web Personalization", PKDD/ECML 2005 International Conference, Porto, Portugal, October 2005
M. Eirinaki, M. Vazirgiannis, "Ontologies in Web Personalization", Invited Talk, 2nd Intl. Workshop on Knowledge Discovery and Ontologies (KDO 2005), in conjuction with ECML/PKDD 2005, Porto, Portugal, 2005
M. Halkidi, M. Vazirgiannis, "An Introduction to Quality Assessment in Data Mining", PKDD 2002 Conference, Helsinki, Finland, August 2002 (1,020.83 kB) 
M. Halkidi, M. Vazirgiannis, Y. Batistakis, "Clustering algorithms and validity measures", SSDBM 2001 Conference, Virginia, USA, July 2001 (846.68 kB) 
M. Vazirgiannis, "Data Minning Techniques and Tools for Information Filtering", ADBIS 2001 Conference, Vilnius, Lithuania, September 2001
M. Vazirgiannis, M. Halkidi, "Introduction to Data Mining", HELDiNET (, Thessaloniki, Greece, 2001 (1.94 MB)