Jing Fan Bo Ren Jia-Mei Cai A Study on Semantic Web-Based Credit Evaluation Service. 115-122 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3252&spage=115 2004 conf/gcc/2004-w GCC Workshops db/conf/gcc/gcc2004-w.html#FanRC04