Table 1.

A number of gold standard corpora have been delivered to the public for the evaluation of PGN tagging solutions

Name	Release	# Annot.	# Units	Topic
Jnlpba	2004	6,142	401 abs.	Subset of Genia
BioCreative-II	2005	5,144	4,171 sent.	Human proteins
PennBio	2006–07	18,148	1,414 abs.	Oncology
FsuPrge	2009	59,483	3,236 abs.	Gene regulatory processes