Boris Vrdoljak Marko Banek Stefano Rizzi Designing Web Warehouses from XML Schemas. 89-98 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2737&spage=89 2003 conf/dawak/2003 DaWaK db/conf/dawak/dawak2003.html#VrdoljakBR03