Web Mining: From Web to Semantic Web, First European Web Mining Forum, EMWF 2003, Cavtat-Dubrovnik, Croatia, September 22, 2003, Revised Selected and Invited Papers s. 3209. Heidelberg : Springer, 2004. - http://km.aifb.uni-karlsruhe.de/ws/ewmf03/. - ISBN 3-540-23258-3