Ahmed Gaafar Sherif Sakr Towards a Framework for Mapping Between UML/OCL and XML/XQuery. 241-259 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3273&spage=241 2004 conf/uml/2004 UML db/conf/uml/uml2004.html#GaafarS04