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Table 4 Performances of automatic direct temporal relation identification systems

From: Identifying direct temporal relations between time and events from clinical notes

System P R F1
SVM-based system 63.93 63.62 63.77
Original Vanderbilt system
(submission to 2012 i2b2 challenge)
43.53 76.99 55.61
Re-trained Vanderbilt system
(re-impremented, re-trained on direct temporal relation corpus)
64.16 49.15 55.66
Syntactic graph kernel based system 64.46 54.27 58.92
CRF-based system 48.51 39.52 43.56
  1. Best scores for precision, recall and F1-score are marked bold