John Darzentas George A. Vouros Spyros Vosinakis Argyris Arnellos Artificial Intelligence: Theories, Models and Applications, 5th Hellenic Conference on AI, SETN 2008, Syros, Greece, October 2-4, 2008. Proceedings 5138 2008 978-3-540-87880-3 SETN Lecture Notes in Computer Science Springer db/conf/setn/setn2008.html