| Applying Support Vector Machines to the TREC-2001 Batch Filtering and Routing Tasks Recent countries visiting this post |  |
 | 3 | United States |
 | 1 | China |
| Applying Support Vector Machines to the TREC-2001 Batch Filtering and Routing Tasks Recent countries visiting this post | |
| 3 | United States |
| 1 | China |