Metric	Bottom-up		Top-down		Combination
Metric	Before P-P	After P-P	Before P-P	After P-P	Before P-P	After P-P
F-measure	0.601	0.610	0.503	0.500	0.623	0.628
Recall	0.723	0.650	0.404	0.393	0.669	0.660
Precision	0.515	0.574	0.666	0.681	0.562	0.600