Dietmar Jannach Klaus Leopold Christian Timmerer Hermann Hellwagner Toward Semantic Web Services for Multimedia Adaptation. 641-652 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3306&spage=641 2004 conf/wise/2004 WISE db/conf/wise/wise2004.html#JannachLTH04