Shailendra Singh Lipika Dey Muhammad Abulaish A Framework for Extending Fuzzy Description Logic to Ontology Based Document Processing. 95-104 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3034&spage=95 2004 conf/awic/2004 AWIC db/conf/awic/awic2004.html#SinghDA04