| SINAI at CLEF 2006 Ad Hoc Robust Multilingual Track: Query Expansion Using the Google Search Engine Recent countries visiting this post |  |
 | 4 | United States |
 | 1 | Germany |
 | 1 |
| SINAI at CLEF 2006 Ad Hoc Robust Multilingual Track: Query Expansion Using the Google Search Engine Recent countries visiting this post | |
| 4 | United States |
| 1 | Germany |
| 1 |