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Table 1 Precision (P), Recall (R) and F-measure (F) estimates for each method used, using cross-validation, for the Chemical Documents Indexing task (CDI) and Chemical Entity Mention task (CEM).

From: Improving chemical entity recognition through h-index based semantic similarity

Run CDI CEM
  P R F P R F
1 84.1% 72.6% 77.9% 87.3% 70.2% 77.8%
2 95.0% 6.5% 12.2% 95.0% 5.9% 11.1%
3 52.1% 80.4% 63.3% 57.1% 76.6 % 65.4%
3* 76.7% 75.7% 76.2% 80.2% 72.8 % 76.3%
4 87.9% 22.7% 36.1% 89.7% 21.2% 34.3%
5 87.8% 22.7% 36.1% 79.9% 22.6% 35.3%