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Table 1 Statistics of bio-event corpora containing polarity information

From: Negated bio-events: analysis and identification

Corpus

Event types

Total events

Negated events

Negation percentage

GENIA Event

36

36,858

2,351

6.4%

BioInfer

60

2,662

163

6.1%

BioNLP’09 Shared Task

9

11,480

722

6.3%

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BMC Bioinformatics

ISSN: 1471-2105

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