RT Journal T1 Design and implementation of an authorization system for a graduate school information A1 GU Hang, XIA Fan, SONG Shu-bin, XIAO Li-min, DONG Qi-wen, XU Lin-hao, ZHOU Ao-ying PB Journal of East China Normal University(Natural Science) FD 2018-05-25 YR 2018 JF Journal of East China Normal University(Natural Science) JO Journal of East China Normal University(Natural Science) VO 2018 IS 3 SP 109 DO 10.3969/j.issn.1000-5641.2018.03.012 K1 authorization;authority management;access domain model LK {https://xblk.ecnu.edu.cn/EN/article/article_25512.shtml}