Research Article
Reliable Collaborative Filtering on Spatio-Temporal Privacy Data
Table 1
Example of check-in data of Gowalla dataset.
| | User ID | Check-in time | Altitude | Longitude | Location ID |
| | 0 | 2010-10-19T23:55:27Z | 30.2359091167 | | 22847 | | 0 | 2010-10-18T22:17:43Z | 30.2691029532 | | 420315 | | 3353 | 2010-10-04T06:12:33Z | 39.7478004013 | | 1109125 | | 4368 | 2010-02-21T03:11:51Z | 37.7625977833 | | 174904 | | 29534 | 2010-04-01T03:42:08Z | 31.10072965 | | 821666 | | 80157 | 2010-05-31T13:51:11Z | 48.199R39617 | 16.3874741445 | 57426 |
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