14Th International Conference on Computer Systems and Technologies, Compsystech 2013, Date: 28 June 2013 through 29 June 2013, Location: Ruse, Sponsors: Technical University of Varna, Bulgaria (TECHUVB);Federation of the Scientific Eng. Unions - Bulgaria (FOSEUB);Bulgarian Ministry of Education, Youth and Science (MEYS);CASTUVTB;University of Ruse, Bulgaria (UORB)