Differential Privacy Location Protection Scheme Based on Hilbert Curve

Table 3

Generation time of Geolife anonymous data set.

	DPL-Hc	KDCK-medoids	PR-CAN
0.1	2.50	3.85	4.89
0.2	2.12	3.02	4.25
0.3	1.83	2.53	4.01
0.4	1.52	2.03	3.56
0.5	1.03	1.75	3.03
0.6	0.81	1.01	2.89
0.7	0.52	0.43	2.65
0.8	0.35	0.15	2.43
0.9	0.27	0.11	2.21
1.0	0.15	0.05	1.98