| Pairwise Document Similarity in Large Collections with MapReduce Recent countries visiting this post |  |
 | 13 | United States |
 | 3 | |
 | 1 | Russian Federation |
 | 1 | Mexico |
| Pairwise Document Similarity in Large Collections with MapReduce Recent countries visiting this post | |
| 13 | United States |
| 3 | |
| 1 | Russian Federation |
| 1 | Mexico |