| CLEF-2005 CL-SR at Maryland: Document and Query Expansion Using Side Collections and Thesauri Recent countries visiting this post |  |
 | 8 | United States |
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| CLEF-2005 CL-SR at Maryland: Document and Query Expansion Using Side Collections and Thesauri Recent countries visiting this post | |
| 8 | United States |
| 1 | |
| 1 | India |