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Table 6 Feature contribution experiments for entity recognition

From: A neural joint model for entity and relation extraction from biomedical text

Features ADE BB
  P R F1 P R F1
Word 80.1 83.6 81.8 67.1 56.7 61.4
+char 80.2 84.0 82.1 66.4, 59.4 62.7
+pos 80.5 84.7 82.5 69.4 60.8 64.8
+label 82.5 85.5 84.0 66.1 59.5 62.6
All 82.4 86.4 84.3 68.0 63.4 65.6
  1. Here “+” means only that feature is added. “char”, “pos” and “label” denote character, POS tag and entity label features, respectively