| Self Managing Top-k (Summary, Keyword) Indexes in XML Retrieval Recent countries visiting this post |  |
 | 6 | United States |
 | 1 | |
 | 1 | Russian Federation |
| Self Managing Top-k (Summary, Keyword) Indexes in XML Retrieval Recent countries visiting this post | |
| 6 | United States |
| 1 | |
| 1 | Russian Federation |