Table 3.

Test set prediction results for the several classes of BioCreative V BEL track task 1

Class	Precision	Recall	F-score
Term (T)	81.34	72.67	76.76
Function-Secondary (FS)	66.67	39.29	49.44
Function (F)	51.16	33.33	40.37
Relationship-Secondary (RS)	56.65	73.76	64.09
Relationship (R)	67.37	31.68	43.10
Statement (S)	59.15	20.79	30.77

The classes represent the different structural levels of a BEL statement. The description of the classes and several examples can be found in Section 3.1 and in Rinaldi et al. (7). (Note. The secondary classes stand for partially correct information.)