... Complete accuracy (CA) indicatesthe fraction of sentences that have a complete cor-rect analysis. We also measure that root accuracy(RA) and leaf accuracy (LA), as in (Yamada and Matsumoto, ... in a pipeline modelmotivates the following approach. We devise a look ahead algorithm and use it as a look aheadpolicy, when determining the predicted action.This approach can be used in any ... using a shift-reduceparsing approach (Aho et al., 1986). This is a true pipeline approach, as was done in other suc-cessful parsers, e.g. (Ratnaparkhi, 1997), in thatthe classifiers are trained...