Word sense disambiguation for event trigger word detection in biomedicine

BMC Bioinformatics

Table 2 List of target words for our WSD experiment (N = noun, V = verb, J = adjective). We present the number of train and test instances, the number of classes, and the bias of the majority class.

Word	Train #	Test #	Classes	# Top class %
expression.N	1465	265	5	0.51
transcription.N	1214	210	2	0.83
activation.N	1177	272	3	0.89
promoter.N	770	141	3	0.76
binding.N	625	113	2	0.84
induce.V	565	128	3	0.65
activate.V	523	93	2	0.84
effect.N	416	79	4	0.83
inhibit.V	412	57	2	0.67
induction.N	405	116	4	0.57
bind.V	373	80	2	0.52
role.N	342	75	3	0.87
express.V	308	55	5	0.57
increase.V	289	59	2	0.57
stimulation.N	284	53	4	0.89
regulation.N	274	52	3	0.66
regulate.V	265	49	3	0.59
require.V	257	53	3	0.74
production.N	251	45	4	0.49
inhibition.N	219	38	2	0.79
mediate.V	218	54	3	0.74
stimulate.V	215	35	3	0.83
result.V	180	35	4	0.86
enhance.V	178	27	2	0.62
phosphorylation.N	170	52	3	0.64
increase.N	157	27	2	0.52
lead.V	146	25	2	0.83
interaction.N	144	41	2	0.71
associate.V	138	43	2	0.85
block.V	138	28	3	0.67
control.N	124	26	2	0.87
translocation.N	123	20	2	0.76
tyrosine.N	119	24	2	0.76
synthesis.N	119	9	3	0.75
detect.V	109	16	7	0.76
tNF.N	108	11	2	0.70
inducible.J	108	28	3	0.78
affect.V	107	14	4	0.62
transactivation.N	106	4	2	0.86
nucleus.N	104	12	2	0.85
decrease.V	98	12	2	0.54
reduce.V	90	26	2	0.52
control.V	89	17	2	0.65
suppress.V	89	20	2	0.65
degradation.N	88	15	2	0.72
produce.V	87	19	3	0.55
transcript.N	80	21	2	0.88
occur.V	80	24	2	0.89
target.N	75	16	3	0.87
dependent.J	73	16	3	0.71
cause.V	72	10	2	0.85
essential.J	70	9	2	0.84
interact.V	70	15	2	0.51
heterodimer.N	69	22	2	0.84
secretion.N	66	11	2	0.73
prevent.V	65	12	2	0.60
change.N	62	10	3	0.81
transfecte.V	61	25	3	0.85
absence.N	60	10	7	0.83
modulate.V	58	8	3	0.79
contribute.V	55	16	3	0.78
decrease.N	51	10	2	0.61
cross-linking.N	50	2	2	0.52

ISSN: 1471-2105