In 1972 he graduated from Faculty of Mathematics and Physics, Charles University, Prague, specialization numerical mathematics. He obtained PhD. in mathematical logic from Institute of Mathematics of the Czechoslovak Academy of Sciences in 1986. In 1999 he became an associated professor at Faculty of Informatics and Statistics of University of Economics in Prague. Both his dissertation and habilitation works are related to logical foundations of knowledge discovery in databases.
He applied methods of numerical mathematics as an assistant in the Building Institute of the Czech Technical University, Prague in 1971 – 1975. He led a team of analysts and programmers of Motor Vehicle Research Institute in Prague to create and run complex information system for car and truck reliability in 1975 - 1990. He was a private entrepreneur in the area of informatics in 1991 – 1993. Since 1993 he is a member of Department of Information and Knowledge Engineering of Faculty of Informatics and Statistics of University of Economics, Prague; see http://kizi.vse.cz/. He leads a team of students and co-workers to create open academic LISp-Miner system for support of research and teaching of KDD; see http://lispminer.vse.cz/. He is also working on practical applications of KDD. Between 2000 and 2004 he was the representative of the University of Economics in the research centre EuroMISE center – Cardio; see http://euromise.vse.cz/.
He has published over 80 specialized works including book chapters, journals papers and contributions to proceedings from important international conferences. In 1999 he was co-chair of the PKDD (Principles and Practice of Knowledge Discovery in Databases) conference program committee, in 2000 he was the workshop chair and in 2007 the tutorial chair of PKDD. In addition he is a member of program committees to about 30 international conferences and workshops.

Publications