| Recommendation as Classification: Using Social and Content-Based Information in Recommendation Recent countries visiting this post |  |
 | 8 | United States |
 | 3 | China |
 | 2 | |
 | 1 | Brazil |
 | 1 | Germany |
| Recommendation as Classification: Using Social and Content-Based Information in Recommendation Recent countries visiting this post | |
| 8 | United States |
| 3 | China |
| 2 | |
| 1 | Brazil |
| 1 | Germany |