Skip to main content

Table 4 Evaluation of trigger words for the gene expression event.

From: Simple tricks for improving pattern-based information extraction from the biomedical literature

Trigger word FP TP Occurrence Hit rate
co-expression 0 2 3 0.7
coexpressed 0 4 6 0.7
nonexpressing 0 2 3 0.7
expressing 1 44 75 0.6
expressed 25 136 232 0.6
express 15 43 81 0.6
production 6 150 298 0.5
co-transfections 1 1 2 0.5
resynthesized 0 1 2 0.5
expression 106 873 1768 0.5
produce 2 16 33 0.5
expresses 0 4 9 0.4
produces 0 2 5 0.4
overexpression 53 27 80 0.4
  1. FP: number of cases where the trigger word is trigger of other event types. TP: number of cases where the trigger word is a gene expression trigger. Occurrences: Total number of occurrences in corpus. Hit rate: see definition in text in Results (Trigger Word Filter).