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第一作者 : Jianfeng Lu
发表时间 : 2018-01-01
发表刊物 : Future Generation Computer Systems
所属单位 : 数理与信息工程学院
文献类型 : 期刊
卷号 : Vol.88
页面范围 : 707-717
ISSN : 0167-739X
关键字 : User;authorization;query;Role;based;access;control;Role–permission;reassignment;Computational;complexity;SAT;problem
摘要 : The User Authorization Query (UAQ) Problem is a key issue related to efficient handling of users’ access requests in Role Based Access Control (RBAC) systems. However, there may not exist any solution to a given UAQ problem due to the limitation caused by
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