点击次数：

发布时间：2018-12-18

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号：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

是否译文：否