Research Article
Recognition of Functional Areas Based on Call Detail Records and Point of Interest Data
Table 2
POIs within 3rd Ring Road of Beijing.
| No. | Type | Amount |
| 1 | Hotel | 2083 | 2 | Restaurant | 6882 | 3 | Supermarket and shopping mall | 5152 | 4 | Exits and entrances | 499 | 5 | Mansion | 1111 | 6 | Bus station | 4406 | 7 | Park | 121 | 8 | Others | 23787 | 9 | Parking lot | 893 | 10 | School | 1417 | 11 | Drug store | 632 | 12 | Medical | 1182 | 13 | Bank | 2759 | 14 | Government agency | 1118 |
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