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	0.623	0.636	0.566	0.569	0.637	0.624
Recall	0.734	0.689	0.521	0.508	0.717	0.682
Precision	0.540	0.591	0.620	0.646	0.573	0.607