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Table 6 Error analysis of 100 randomly selected errors on the ADE test set

From: Knowledge-based extraction of adverse drug events from biomedical text

Error type Number
False-positive relations  
  Entities correctly identified, with incorrect relation in the knowledge base 64
  Entities incorrectly identified, with a relation in the knowledge base 15
False-negative relations  
  Entities correctly identified, but relation filtered out 8
  Entities not identified, no relation established 13