Lora Aroyo Stanislav Pokraev Rogier Brussee Preparing SCORM for the Semantic Web. 621-634 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2888&spage=621 2003 conf/coopis/2003 CoopIS/DOA/ODBASE db/conf/coopis/coopis2003.html#AroyoPB03