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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