Table 1: Comparison between our model and current models.

Property
ModelRoleTemporal
state
Environmental
state
Fine-grainedPermission
specification

GB-RBAC [11]YESNONONONO
H-RBAC [12]YESNONONONO
GTRBAC [1]YESYESNONONO
LRBAC [2]YESNOPARTNONO
TLRBAC [3]YESYESPARTNONO
Reference [4]YESYESPARTNONO
Attribute-based
access control [7]
NOYESYESNONO
Action-based
access control [9]
YESYESYESNONO
ITRBAC [13]YESNOPARTNONO
Reference [14]YESNOPARTNONO
Reference [10]YESNONOPARTNO
Our modelYESYESYESYESYES