Table 2.

The effects of estimated precision level (α) on the method performance

F-score	Estimated precision (α)
	0.1	0.3	0.5	0.6	0.9	1.0
True precision
0.1	0.30 (0.01)	0.30 (0.01)	0.30 (0.01)	0.28 (0.02)	0.26 (0.01)	0.26 (0.01)
0.3	0.36 (0.02)	0.39 (0.01)	0.39 (0.01)	0.40 (0.01)	0.38 (0.01)	0.38 (0.01)
0.6	0.52 (0.03)	0.55 (0.03)	0.56 (0.01)	0.56 (0.01)	0.56 (0.01)	0.56 (0.01)
0.9	0.73 (0.02)	0.75 (0.02)	0.76 (0.05)	0.77 (0.01)	0.78 (0.01)	0.78 (0.01)

Note: The entries in bold represent the F-scores based on the true precision value.