| A Framework for Collaborative, Content-Based and Demographic Filtering Recent countries visiting this post |  |
 | 7 | United States |
 | 2 | Russian Federation |
 | 1 | China |
 | 1 |
| A Framework for Collaborative, Content-Based and Demographic Filtering Recent countries visiting this post | |
| 7 | United States |
| 2 | Russian Federation |
| 1 | China |
| 1 |