Ralf Schenkel Anja Theobald Gerhard Weikum Ontology-Enabled XML Search. 119-131 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2818&spage=119 2003 conf/xml/2003 Intelligent Search on XML Data db/conf/xml/xml2003.html#SchenkelTW03