A Hybrid Location Privacy Solution for Mobile LBS

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/misy/volume-2017/2189646/figures/2189646.fig.002a.svgz" name="2189646.fig.002a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>TTP based</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/misy/volume-2017/2189646/figures/2189646.fig.002b.svgz" name="2189646.fig.002b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>TTP-free</td></tr></table>

Mobile Information Systems

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Figure 2

Figure 2: A Hybrid Location Privacy Solution for Mobile LBS 