Secure and Practical Group Nearest Neighbor Query for Location-Based Services in Cloud Computing

<div>The performance of the CompInner tool and CompInner<svg height="10.8465pt" id="M613" style="vertical-align:-0.04980087pt" version="1.1" viewbox="-0.0498162 -10.7967 6.17869 10.8465" width="6.17869pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.0091,0,0,-0.0091,0,-5.741)"><path d="M556 236V289H337V504H275V289H56V236H275V-4H337V236H556Z"></path></g></svg> tool increasing with the size of data items on the Sequoia database and a random database. (a) CompInner tool. (b) CompInner<svg height="10.8465pt" id="M614" style="vertical-align:-0.04980087pt" version="1.1" viewbox="-0.0498162 -10.7967 6.17869 10.8465" width="6.17869pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.0091,0,0,-0.0091,0,-5.741)"><path d="M556 236V289H337V504H275V289H56V236H275V-4H337V236H556Z"></path></g></svg> tool.</div>

Security and Communication Networks

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Figure 6

Figure 6: Secure and Practical Group Nearest Neighbor Query for Location-Based Services in Cloud Computing 