" (Tolone, Ahn, Pai, et al. 2005 P. 37).

Table 1 provides the summary of the evaluation of various criteria mentioned in the paper. The table uses comparative terminology such as High, Medium and Low and, descriptive terminology such as Active, Passive, and Simple, and the standard Yes (Y) and No (N). The research provides the solutions based in the problems identified with the access controls evaluated.

Table I: Evaluation of Access Control

Criteria

TMAC

SAC

Matrix

TBAC

C-TMAC

RBAC

Context-AW

Complexity

Medium

Low

Low

Medium

Medium

Medium

High

Understandability

Simple

Simple

Simple

Simple

Simple

Simple

Simple

Ease Use

High

Low

Medium

Medium

High

High

High

Applicability

Medium

Low

Medium

Medium

High

High

High

Groups of users / Collaboration Support.

Y

Y

Low

Y

Y

Y

Y

Policy- Speci-cation

Y

Y

Low

Low

Y

Y

Y

Policy -Enforcement

Y

Low

Low

Low

Y

Y

Y

Fine-grained control

Y

N

N...
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