A Relation Extraction Framework for Biomedical Text Using Hybrid Feature Set

Table 3

GENIA tagger output on the example sentence.

Word	Base form	POS	Chunk	Named entity	Open NLP
Only	Only	RB	B-NP	O	B-NP
Two	Two	CD	I-NP	O	I-NP
Protein	Protein	NN	I-NP	B-protein	I-NP
Subunits	Subunit	NNS	I-NP	I-protein	I-NP
Pop1p	Pop1p	NN	B-NP	O	B-NP
And	And	CC	I-NP	O	I-NP
Pop4p	Pop4p	NN	I-NP	O	I-NP
Specifically	Specifically	RB	B-ADVP	O	B-ADVP
Bind	Bind	VBP	B-VP	O	B-VP
The	The	DT	B-NP	O	B-NP
RNA	RNA	NN	I-NP	B-protein	I-NP
Subunit	Subunit	NN	I-NP	I-protein	I-NP