Wudong Liu Lulu He Jing Liu Keqing He A Semantic Interoperability Extension Model to the ebXML Registry. 414-419 2005 conf/itcc/2005-1 ITCC (1) http://dx.doi.org/10.1109/ITCC.2005.36 db/conf/itcc/itcc2005-1.html#LiuHLH05