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Table 8

Arabic standard parsing experiments (test set, sentences ≤ 40 words). SplitPCFG is the same grammar used in the Stanford parser, but without the dependency model. FactLex uses basic POS tags predicted by the parser and morphological analyses from MADA. FactLex* uses gold morphological analyses. Berkeley and DP-TSG results are the average of three independent runs.

Arabic
Leaf Ancestor
Evalb

Sent.
Corpus
LP
LR
F1
EX%
PAPCFG 0.777 0.745 69.5 64.6 66.9 12.9 
SplitPCFG 0.821 0.797 75.6 73.4 74.5 17.8 
 
Berkeley 0.865 0.853 83.3 82.7 83.0 24.0 
DP-TSG 0.822 0.800 75.5 75.4 75.4 17.7 
Stanford 0.851 0.835 81.3 80.7 81.0 23.5 
Stanford+FactLex 0.849 0.835 81.2 80.8 81.0 22.8 
 
Stanford+FactLex* 0.852 0.837 81.8 81.3 81.5 24.0 
Arabic
Leaf Ancestor
Evalb

Sent.
Corpus
LP
LR
F1
EX%
PAPCFG 0.777 0.745 69.5 64.6 66.9 12.9 
SplitPCFG 0.821 0.797 75.6 73.4 74.5 17.8 
 
Berkeley 0.865 0.853 83.3 82.7 83.0 24.0 
DP-TSG 0.822 0.800 75.5 75.4 75.4 17.7 
Stanford 0.851 0.835 81.3 80.7 81.0 23.5 
Stanford+FactLex 0.849 0.835 81.2 80.8 81.0 22.8 
 
Stanford+FactLex* 0.852 0.837 81.8 81.3 81.5 24.0 
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