Multi-agent systems and applications III : 3rd International Central and Eastern European Conference on Multi-Agent Systems, CEEMAS 2003, Prague, Czech Republic, June 16-18, 2003 : proceedings - Mařík, V. (Vladimír); Müller, J. P. (Jörg P.), 1965-; Pěchouček, Michal (Lecture notes in computer science ;, 2003)