Parsing as Reduction
Table 2: Results on the English PTB §23. All systems reporting runtimes were run on the same machine. Marked as ∗ are reranking and semi-supervised c-parsers.
['[BOLD] Parser', '[BOLD] LR', '[BOLD] LP', '[BOLD] F1', '[BOLD] #Toks/s.']
The best supervised competitor is the recent shift-reduce parser of \newciteZhu2013, which achieves slightly better accuracy and speed. Orthogonal techniques, such as semi-supervised training and reranking, can also be applied to our parser to boost its performance.