In: Proceedings of the IASTED International Conference on Artificial Intelligence and Applications. IASTED International Conference on Artificial Intelligence and Applications (AIA-2004), February 16-18, Innsbruck, Austria, Springer, 2004.
In: N. O'Connor I. Kompatsiaris E. Izquierdo P. Hobson (Hrsg.). Proceedings of the European WS on the Integration of Knowledge, Semantics and Digital Media Technology (EWIMT). European Workshop on the Integration of Knowledge,Semantic and Digital Media (EWIMT-2004), November 25-26, London, United Kingdom, Pages 449-456, QMUL, 2004.