• Taras Shevchenko National University of Kyiv (Faculty of Information Technology, Faculty of Computer Science and Cybernetics) • National Technical University of Ukraine «Igor Sikorsky Kyiv Polytechnic Institute» • Viktor Glushkov Institute of Cybernetics of the National Academy of Sciences of Ukraine • Institute of Information Technology and Learning Tools of the National Academy of Educational Sciences of Ukraine • Institute for Information Recording of the National Academy of Sciences of Ukraine • Institute of Software Systems of the National Academy of Sciences of Ukraine