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

Table 1

Hilbert index generation time (ms).

Algorithm	λ = 1	λ = 1.5	λ =2.7	λ =4.9
	σ=1,; D=13	σ=2,; D=11	σ=5,; D=10	σ=10,; D=9
SHC	1237	1067	988	903
MHC	892	521	300	214