Research Article
LPPS: A Distributed Cache Pushing Based K-Anonymity Location Privacy Preserving Scheme
Table 1
Statistics of trace datasets.
| Traces | Geolife | Cabspotting |
| Number of users | 178 | 536 | Region | Beijing | San Francisco | Duration | 4 years | 30 days | Number of stay points | 13,666 | 1,894,208 | Number of queries generated | 7,693 | 9,266,161 | Number of grids | | |
|
|