scholarly journals Formal authorization allocation approaches for role-based access control based on relational algebra operations

Author(s):  
Hua Wang ◽  
Jinli Cao ◽  
Yanchun Zhang
2015 ◽  
Vol 64 (9) ◽  
pp. 2490-2505 ◽  
Author(s):  
Dianxiang Xu ◽  
Michael Kent ◽  
Lijo Thomas ◽  
Tejeddine Mouelhi ◽  
Yves Le Traon

2006 ◽  
Vol 9 (3) ◽  
pp. 223-228 ◽  
Author(s):  
Yao Hanbing ◽  
Hu Heping ◽  
Lu Zhengding ◽  
Li Ruixuan

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