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Table 3 Comparison with the existing approaches for GENIA data set

From: Biomedical named entity extraction: some issues of corpus compatibilities

System

Used approach

Domain knowledge/resources

FM

Our system

Classifier ensemble

POS, phrase

76.52

 

(CRF and SVM)

  

Zhou & Su (2004) (GuoDong and Jian 2004) Final

HMM, SVM

Name alias, cascaded NEs dictionary, POS, phrase

72.55

Zhou & Su (2004) (GuoDong and Jian 2004)

HMM, SVM

POS, phrase

64.1

Kim et al. (2005) (Kim et al. 2005)

Two-phase model

POS, phrase,

71.19

 

with ME and CRF

rule-based component

 

Finkel et. al (2004) (Finkel et al. 2004)

CRF

Gazetteers, web-querying, surrounding abstracts,

70.06

  

abbreviation handling, BNC corpus, POS

 

Settles (2004) (Settles 2004)

ME

POS, semantic knowledge sources of 17 lexicons

70.00

Saha et al. (2009) (Saha et al. 2009)

ME

POS, phrase

67.41

Park et. al (2004) (Park et al. 2004)

ME

POS, phrase, domain-salient words using WSJ,

66.91

  

morphological patterns, collocations from Medline

 

Song et al. (2004) (Song et al. 2004b) Final

SVM, CRF

POS, phrase, Virtual sample

66.28

Song et al. (2004) (Song et al. 2004b) Base

SVM

POS, phrase

63.85

Ponomareva et al. (2007) (Ponomareva et al. 2007)

HMM

POS

65.7