Research Article

An Adaptive Grid and Incentive Mechanism for Personalized Differentially Private Location Data in the Local Setting

Table 2

The parameter and default value.

ParameterValue

Number of sample N10,000, 15,000, and 20,000
Epsilon value ε1, 2, and 3
Number of hash h2, 3, and 4
Sketch vector size 16, 32, and 64
θj20, 40, and 60
P_costj40
utili40
Pricei,j40