Table 2.

Comparison of drug-gene extraction using different number of seeds: none, one, two, and 68 PGx-specific seeds.

Document Type	Round	Seed	N	Precision	Recall	F1
Sentence	1	Warfarin-CYP2C9	391	0.340	0.085	0.136
	2		2,622	0.219	0.368	0.274
	3		8,844	0.103	0.583	0.175
	1	Warfarin-CYP2C9+Caffeine-CYP1A2	669	0.281	0.120	0.169
	2		3146	0.192	0.386	0.256
	3		10811	0.087	0.603	0.152
	1	68 FDA drug-gene pairs	1524	0.278	0.272	0.275
	2		4767	0.171	0.522	0.258
	3		15798	0.069	0.701	0.126
	Co-occurrence	None	102,916	0.015	1.000	0.030
Abstract	1	Warfarin-CYP2C9	1,262	0.222	0.134	0.167
	2		12,580	0.085	0.511	0.145
	3		68,415	0.025	0.823	0.049
	1	Warfarin-CYP2C9+Caffeine-CYP1A2	1,879	0.185	0.167	0.175
	2		15,434	0.075	0.554	0.132
	3		77,344	0.023	0.836	0.044
	1	68 FDA drug-gene pairs	3,886	0.165	0.308	0.215
	2		26,089	0.057	0.711	0.105
	3		99,376	0.018	0.876	0.036
	Co-occurrence	None	190,452	0.011	1.000	0.022