A Data Grid Security System Based on Shared Context.

Nong Xiao Xiaonian Wu Wei Fu Xiangli Qu A Data Grid Security System Based on Shared Context. 30-37 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3222&spage=30 2004 conf/npc/2004 NPC db/conf/npc/npc2004.html#XiaoWFQ04