Table 4.

Table 4 ENegEx on the Challenge and CMC Corpora

Class	Challenge			CMC
	p	R	F	p	R	F
Positive	0.92	0.99	0.95	0.83	0.99	0.90
Negative	0.93	0.74	0.83	0.93	0.74	0.82
Uncertain	0.96	0.08	0.16	1.00	0.00	0.01
Alter-Association	0.71	0.81	0.76	0.50	0.07	0.13

CMC = Computational Medicine Center.