WOJCIECH WIZA received the M.Sc. degree in Communication and Electronics from the Poznan University of Technology in 1992, and M.Sc. degree in Computer Science from the Poznan University of Technology in 1994. He received the Ph.D. degree in Computer Science in 2005 from the Technical University of Gdansk. From 1992 to 1996 he was an assistant in the Database Team, and next in the Signal and Image Processing Team at the Franco-Polish School of New Information and Communication Technologies (EFP). Since 1996 he has been with the Department of Information Technology (DIT) at the Poznan University of Economics.