Zhen-jie Wang Huanye Sheng Peng Ding A Q-Based Architecture for Semantic Information Interoperability on Semantic Web. 722-737 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2870&spage=722 2003 conf/semweb/2003 International Semantic Web Conference db/conf/semweb/iswc2003.html#WangSD03