A Context-Aware Location Differential Perturbation Scheme for Privacy-Aware Users in Mobile Environment

Table 2

Percentage of the generated perturbed positions that is at close proximity to true location.

ε	Nearness/%
	d 1000m	d ≤500m	d ≤100m
0.01	2.39	0.95	0.01
0.1	28.2	16.27	8.13
0.3	89.3	61.24	7.18
0.5	94.26	62.20	11.48
1.0	99.04	73.68	27.27
2.0	99.99	91.87	33.97