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. Author manuscript; available in PMC: 2016 Aug 9.
Published in final edited form as: J Biomed Inform. 2015 Jul 22;58(Suppl):S67–S77. doi: 10.1016/j.jbi.2015.07.001

Table 2.

Results for top 10 Risk Factor Track submissions, ranked by micro-averaged F1

Rank Team name Micro
Precision
Micro
Recall
Micro F1 System
1 NLM 0.8951 0.9625 0.9276 Additional annotation + lexicon
and rules + SVMs
2 Harbin Institute of
Technology Shenzhen
Graduate School
0.9106 0.9436 0.9268 Ensemble systems + rules
3 Kaiser Permanente 0.8972 0.9409 0.9185 SVM+ensemble classifier+rules
4 Linguamatics and
Northwestern University
0.8975 0.9375 0.9171 I2E interface + lexicon + existing
tools + rules
5 University of
Nottingham
0.8847 0.9488 0.9156 Lexicon + rules + ML (CRF, NB,
ME)
6 The Ohio State
University
0.8907 0.9261 0.9081 Lexicon + rules
7 TMUNSW 0.8594 0.9387 0.8973 Lexicon + rules + ML (CRF and
NB)
8 National Central
University
0.8586 0.9256 0.8909 unknown
9 UNIMAN 0.8557 0.9007 0.8776 Lexicon + rules
10 University of Utah 0.8552 0.8951 0.8747 Existing tools + regular
expressions