%0 Journal Article
%T Trustworthiness-based Access Control Model for Grid Virtual Organizations<br>基于信任度的网格虚拟组织访问控制模型
%A CUI Yong-rui
%A LI Ming-chu
%A HU Hong-gang
%A REN Yi-zhi
%A <br>崔永瑞
%A 李明楚
%A 胡红钢
%A 任一支
%J 计算机科学
%D 2008
%I 
%X The existing access control models for grid virtual organization(VO) have some faults as follows:First,most of them cannot express contextual access control policies which are important in the grid environment.Second,they bring heavy administration burden at the side of resource providers.Finally,trustworthiness between VO members is not described in these models which do not accord with facts.To overcome these limitations,provided a trustworthiness-based access control model for virtual organizations,calle...
%K TwBAC model
%K Trustworthiness
%K Virtual organization
%K Access control<br>TwBAC模型
%K 信任度
%K 虚拟组织
%K 访问控制
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=8240383F08CE46C8B05036380D75B607&jid=64A12D73428C8B8DBFB978D04DFEB3C1&aid=BFBE7F12882E6A6066AF18552EBD1208&yid=67289AFF6305E306&vid=6209D9E8050195F5&iid=59906B3B2830C2C5&sid=06EA2770E96C5402&eid=7AA74D31F1FF2DCE&journal_id=1002-137X&journal_name=计算机科学&referenced_num=0&reference_num=6