A 4D-Role Based Access Control Model for Multitenancy Cloud Platform

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static-preview.hindawi.com/articles/mpe/volume-2016/2935638/figures/2935638.fig.001a.svgz" name="2935638.fig.001a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>One-dimensional role</td></tr><tr class="fig-image" id="b"><td><object data="https://static-preview.hindawi.com/articles/mpe/volume-2016/2935638/figures/2935638.fig.001b.svgz" name="2935638.fig.001b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Two-dimensional role</td></tr><tr class="fig-image" id="c"><td><object data="https://static-preview.hindawi.com/articles/mpe/volume-2016/2935638/figures/2935638.fig.001c.svgz" name="2935638.fig.001c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>Three-dimensional role</td></tr></table>

<div>A sketch of multidimensional roles in access control models.</div>

Mathematical Problems in Engineering

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Figure 1

Figure 1: A 4D-Role Based Access Control Model for Multitenancy Cloud Platform 