| Investigating the relationship between language model perplexity and IR precision-recall measures Recent countries visiting this post |  |
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| Investigating the relationship between language model perplexity and IR precision-recall measures Recent countries visiting this post | |
| 9 | United States |
| 3 | Netherlands |
| 1 | China |
| 1 | Germany |
| 1 | India |
| 1 |