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. 2019 Nov 13;7(4):e14850. doi: 10.2196/14850

Table 2.

Performance of the best model training, BiLSTMa + ELMo + Flair + semantic embedding, on different sizes of the training corpus.

Amount of training data (%) F-1 (%) Prec (%) Rec (%)
10 71.13 69.59 72.74
20 82.05 81.92 82.18
40 85.36 85.83 84.90
60 86.33 86.81 85.86
80 86.92 87.42 86.43

aBiLSTM: bidirectional long short-term memory.