Ph.D, Habil., Associate Professor
Poznan University of Technology
Institute of Computing Science
ul. Piotrowo 2
60-965 Poznan, Poland
Phone: +48 61 6652933
Fax: +48 61 8771525
E-mail: Jerzy (dot) Stefanowski ( _at_ ) cs (dot) put (dot) poznan (dot) pl
Organization of workshops, special issues
Other WWW links
Machine learning and data mining. Proces of knowledge discovery. Induction of decision
rules, classification trees. Mutliple classifiers (ensembles). Handling imbalanced data. Data pre-processing, in particular
attribute selection and discretization methods. Mining asociation rules and
sequence patterns. Data streams. Document clustering. Web-mining and text mining. Rough
Applications in medicine, technical diagnostics,
financial and management problems.
Major results are concerned with:
For more information see my publications.
induction of various types of decision rules for discovery and classification
creating multiple classifiers, including generalizations of bagging and pairwise coupling
improving prediction of the minority class while learning from imbalance data,
attribute selection for classification systems,
handling numerical data in machine learning and data mining algorithms,
descriptive clustering of text documents and Web pages,
mining multi-dimensional, context sequence patterns,
rough set theory and rough set based learning systems,
generalized rough set approach to handle incomplete data tables,
fuzzy-rough sets generalizations,
application of machine learning and knowledge discovery approaches to medical
technical diagnostics, pattern recognition and
Other Scientific Activities:
- Member of Program Committees for conferences: SIAM Data Mining
ECML/PKDD 2015 (Area Chair), 2014, 2013,
2011, 2008, 2007; IJCAI 2015; DS 2015; ISMIS 2015, 2014, 2012, 2011,
2009, 2008; DaWaK 2008, 2007, 2006; CORES 2013, JRS2014, RSCTC (all
editions till 2013); RSKT 2009, 2007;
KNWS (since 2006); HAIS 2012, 2011; ICAISC 2014, 2010, 2008, 2006;
TPD 2007, 2005; Mini-Euro 2005; RSFDGrC 2003; IDDM-2002; SDP 2002; JSAI
2001 and others in the past.
One of PC Chairs of JRS 2007, Toronto.
Reviewed papers for journals like Journal Machine Learning Research,
IEEE Transactions on Data and Knowledge Engineering, ACM Transactions on
Knowledge Discovery in Data,
Journal of Knowledge and Information Systems, Journal of Intelligent
Information Systems, IEEE Transactions on Neural Networks and Learning
Transactions on Cybernetics,
Transactions on Rough Sets (Member of the Editorial Board), IEEE
Transactions on Fuzzy Systems, Journal of Hybrid Intelligent Systems,
Journal of Applied Intelligence,
Pattern Analysis and Applications,
and Knowledge Engineering Journal,
of Multiple Criteria Decision Analysis, European Journal of Operational
Soft Computing, Engineering Applications of AI, Fundamenta
Informaticae, Computational Management Science, Int. Journal of
Intelligent Systems in Accounting Finance and Management, Computational
Intelligence, Pattern Recognition Letters and FCDS
+ many others.
Reviewer of 21 Ph.D Theses and 5 Habilitations.
- Research Supervision:
- Current Supervision of Ph.D. Students: Mateusz Lango
- Past Supervision of Ph.D. Theses:
Dawid Weiss : Descriptive Clustering as a Method for Exploring Text Collections (defended Oct 13, 2006)
Radoslaw Ziembinski : Mining Context based Sequential Patterns (defended Sept 23, 2009)
Krystyna Napierala : Improving Rule Classifiers for Imbalanced Data
(defended March 13, 2013)
Dariusz Brzeziński : Block-based and Online Ensembles for Concept-drifting Data Streams (defended July 7, 2015).
Magdalena Deckert : Incremental rule learning and change detection in block based classifiers for data streams (defended November 24, 2015).
- I have been a supervisor of 71 Master Theses since 1994.
- Editor in Chief - journal Foundations of Computing and Decision Sciences
- Member of Scientific Council of the Institute of Computer Science at Polish Academy of Science (since 2010)
- Member of Executive Board of Polish Artificial Intelligence Society (PSSI) since 2013
- Member of Advisory Board of Polish Artificial Intelligence Society (PSSI) since 2011
- Secretary of Executive Board of International Rough Set Society (2010-2011)
- President of Regional Wielkopolska Branch of PTI - Polish Information Processing
Society (since May 2005 till 2011).
If you have an urge to speak with me or pass your other messages, you can
Last changes - December 7, 2015