Jaeyoung Yang Hyunsub Jung Joongmin Choi Building Web Navigation Agents Using Domain-Specific Ontologies. 303-316 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3371&spage=303 2004 conf/prima/2004 PRIMA db/conf/prima/prima2004.html#YangJC04