| Finding "Abstract Fields" of Web Pages and Query Specific Retrieval - THUIR at TREC 2004 Web Track Recent countries visiting this post |  |
 | 3 | |
 | 3 | United States |
| Finding "Abstract Fields" of Web Pages and Query Specific Retrieval - THUIR at TREC 2004 Web Track Recent countries visiting this post | |
| 3 | |
| 3 | United States |