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Critical Assessment of Information Extraction in Biology - data sets are available from Resources/Corpora and require registration.

Corpora

CHEMDNER development set (News) [2013-08-18]

BioCreative IV CHEMDNER corpus (Resources) [2013-07-26]

BioCreative III corpus (Resources) [2010-04-02]

BioCreative II.5 Elsevier corpus (Resources) [2009-12-18]