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Table 1 Statistics of entity recognition datasets used in our study
From: Entity recognition from clinical texts via recurrent neural network
| Challenge | 2010 | 2012 | 2014 | |
|---|---|---|---|---|
| Training | #Note | 349 | 190 | 790 |
| #Entity | 27837 | 16468 | 17405 | |
| Test | #Note | 477 | 120 | 514 |
| #Entity | 45009 | 13594 | 11462 | |
