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. 2017 Jul 5;2017:4898963. doi: 10.1155/2017/4898963

Table 6.

Rules used in evaluation.

Score Rule description
1 Medication entity is accurately detected, and divisions of class and boundary are both correct
0.8 Only one error is detected at the start position of the ME boundary
0.6 Only one error is detected at the end position of the ME boundary
0.4 Two errors are detected at the start and end positions of ME boundaries, respectively
0 ME is not detected, or the detected phrase is not a drug name entity annotated in the gold standard