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Table 4 Results of rule-based and RNN methods for NER detection in Titles

From: Digital surveillance in Latin American diseases outbreaks: information extraction from a novel Spanish corpus

Entity/modifier

Rule-based

RNN

Exact match

Partial match

Exact match

Partial match

Date

0.73

0.87

0.94

0.96

Disease

0.96

0.97

0.94

0.96

Host

0.82

0.88

0.20

0.20

Location

0.62

0.77

0.67

0.84

Number of cases

0.19

0.20

0.00

0.00

Origin

0.13

0.11

0.33

0.27

Transmission form

0.22

0.50

0.36

0.57

Negation

0.00

0.00

–

–

Past

0.00

0.00

–

–

Uncertainty

0.44

0.44

0.00

0.00

Micro-average

0.73

0.82

0.81

0.89

  1. F1 is shown per entity type for exact and for partial match. Also micro-averaged F1 is shown
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BMC Bioinformatics

ISSN: 1471-2105

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