Differential Privacy Location Protection Scheme Based on Hilbert Curve

Table 4

Generation time of Amazon Access Samples anonymous data set.

	DPL-Hc	KDCK-medoids	PR-CAN
0.1	2.30	3.02	4.25
0.2	171	2.76	3.23
0.3	1.65	2.32	3.10
0.4	1.42	1.52	3.02
0.5	1.21	1.44	3.00
0.6	0.81	1.12	2.52
0.7	0.63	0.21	2.33
0.8	0.43	0.15	2.12
0.9	0.23	0.11	2.09
1.0	0.15	0.05	1.78