A Feasible Fuzzy-Extended Attribute-Based Access Control Technique

Table 1

The major notations and definitions.

Notations	Definitions
	the th request.
	the th clause in policy set.
	the th attribute involved in the clause .
	the weight of in the .
	The fuzzy membership function for calculating the membership degree of the to the constraint range of attribute .
	The fuzzy membership function for calculating the membership degree of the to the clause .
	The fuzzy membership function for calculating the membership degree of the to the policies.
	The credit cost of special approval for the
	The rejection threshold (a rational number in ).
	The credit-line (a rational number in ).
	The credit value of the subject (a rational number in ).
	The credit recover ratio (a rational number in ).