Thierry Declerck Jan Kuper Horacio Saggion Anna Samiotou Peter Wittenburg Jesús Contreras Contribution of NLP to the Content Indexing of Multimedia Documents. 610-618 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3115&spage=610 2004 conf/civr/2004 CIVR db/conf/civr/civr2004.html#DeclerckKSSWC04