ZBIGNIEW NAHORSKI is the Dean of the Computer Science Department, Warsaw School of Information Technology and the Editor-in-Chief of the journal "Control and Cybernetics," He co-manages the EURO Working Group MODEST. He is the author of over 150 scholarly papers and four books, as well as the editor of 25 books or special issues of technical journals. JAN W. OWSINSKI is author of more than 150 scientific papers and editor of more than 20 volumes. He works mainly in data analysis methods and their applications in economics and business, as well as in other fields, including decision analysis an...