Institute of Applied Computer Science, Lodz University of Technology, Al. Politechniki 11, 90-924 xc5x81xc3xb3dxc5xba, Institute of Informatics, Silesian University of Technology, Akademicka 16, 44-100 Gliwice, Polish-Japanese Institute of Information Technology, Koszykowa 86, 02-008 Warszawa, Poland and Centro Nacional de Anxc3xa1lisis Genxc3xb3mico (CNAG), 08-028 Barcelona, Spain Institute of Applied Computer Science, Lodz University of Technology, Al. Politechniki 11, 90-924 xc5x81xc3xb3dxc5xba, Institute of Informatics, Silesian University of Technology, Akademicka 16, 44-100 Gliwice, Polish-Japanese Institute of Information Technology, Koszykowa 86, 02-008 Warszawa, Poland and Centro Nacional de Anxc3xa1lisis Genxc3xb3mico (CNAG), 08-028 Barcelona, Spain.