Table 1.
Statistics of datasets.
| Dataset | Users | POIs | Check-in records |
|---|---|---|---|
| Yelp | 24,655 | 15,213 | 689,410 |
| Foursquare | 21,037 | 21,408 | 828,132 |
| Gowalla | 14,654 | 26,794 | 962,013 |
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