- Associate Editor for for Computational Intelligence, An Int. Journal (COIN): February 2015 – now. .
- Associate Editor for IEEE Transactions on Knowledge and Data Engineering (TKDE): July 2010 - June 2014).
- Guest Editor for GeoInformatica J., 9(4). Special Issue with the Best Papers of the 2nd Intl. Workshop on Spatio-Temporal Data Management
- Editor for Proceedings of the 2nd International Workshop on Spatio-Temporal Database Management, STDBM'04.
Major Conference Programm Committee Memberships
- ACM SIGKDD International Conference on Knowledge Discovery and Data Mining:
- 2002, 2003, 2004, 2007, 2008, 2009, 2010, 2011, 2012 (senior program committee member), 2013, 2014, 2015, 2016, 2017
- IEEE International Conference on Data Mining (ICDM):
- 2004, 2005, 2006, 2007, 2010, 2012, 2014, 2015, 2016, 2017
- International Conference on Data Engineering (ICDE):
- SIAM International Conference on Data Mining (SDM):
- ACM International Conference on Information and Knowledge Management (CIKM):
- 2014 (program area chair for "Knowledge Management Track", 2015
- International Conference on Scientific and Statistical Database Management (SSDBM):
- International Conference on Mobile Data Management (MDM):
Service as a reviewer for the following journals
- IEEE TKDE, Transactions on Knowledge and Data Engineering
- The international Journal on Very Large Databases
- DAMI, Data Mining and Knowledge Discovery
- Information Systems
- Transactions on Pattern Analysis and Machine Intelligence
- KAIS, Knowledge and Information Systems
- JAIR, Journal of Artificial Intelligence Research
- JMLR, Journal of Machine Learning Research
- Machine Learning
- Systems Man and Cybernetic
- PAA, Patter Analysis and Applications
- Pattern Recognition Letters
- Workshop co-chair & organizer for 2nd International Workshop on Spatio-Temporal Data Management, co-located with VLDB 2004, Toronto, Canada 2004.
- Registration Chair for ACM SIGKDD International Conference on Knowledge Discovery and Data Mining, 2002.