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. 2015 Mar 9;22(3):671–681. doi: 10.1093/jamia/ocu041

Table 2.

Number of user reviews and annotation details in train/test sets for DailyStrength (DS) and Twitter corpora

Dataset No. of user posts No. of sentences No. of tokens No. of ADR mentions No. of indication mentions
DS train set 4720 6676 66 728 2193 1532
DS test set 1559 2166 22 147 750 454
Twitter train set 1340 2434 28 706 845 117
Twitter test set 444 813 9526 277 41