Research Article
Time in Privacy Preserving LBSs: An Overlooked Dimension
(a) ADV. |
| | daily |
| | 989 | | 808 | | 858 | | 565 |
| | 5.62 | | 49.20 |
|
|
(b) (2 hours) |
| | | | | | | | | | | | | |
| | 244 | 118 | 52 | 52 | 13 | 85 | 207 | 35 | 72 | 45 | 29 | 37 | | 14 | 48 | 9 | 10 | 14 | 50 | 26 | 67 | 229 | 80 | 160 | 101 | | 12 | 33 | 632 | 111 | 14 | 17 | 0 | 6 | 0 | 0 | 27 | 6 | | 27 | 19 | 23 | 81 | 81 | 159 | 47 | 4 | 13 | 34 | 39 | 38 |
| | 1.94 | 2.43 | 1.33 | 2.50 | 2.65 | 2.67 | 1.92 | 1.77 | 2.29 | 2.67 | 2.63 | 2.61 | | 3.85 | 5.39 | 2.51 | 5.65 | 6.30 | 6.36 | 3.79 | 3.43 | 4.90 | 6.35 | 6.22 | 6.09 |
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