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Table 1 The overall statistics of the CDR and CHR datasets

From: Biomedical relation extraction via knowledge-enhanced reading comprehension

Dataset

Splits

Documents

Chemical IDs

Disease IDs

pos

neg

CDR

Training

500

1479

1961

1038

4479

Development

500

1519

1851

1012

4310

Test

500

1455

2007

1066

4471

CHR

Training

7298

28158

19643

69843

Development

1182

4575

3185

11466

Test

3614

13800

9578

33339