Assistant professor (on-leave) at the Laboratory of Intelligent Decision Support Systems, Institute of Computing Science, Poznan University of Technology, Poland.

I am currently on leave from Poznan University of Technology. If you have questions concerning my research, the @cs e-mail should still work as an alias. Thanks, it's been fun.

I am one of the developers of the Carrot² project — an engine for unsupervised clustering of search results and other text documents. Carrot² is a clustering meta search-enging, check it out.

Carrot Search , a company I co-own, provides consulting services and an advanced clustering algorithm Lingo3G .