Petrov et al. ( 2010 ) observed that dependency parsers tend to do quite poorly when parsing questions due to their limited exposure to them in the news corpora from the PennTreebank .
uptraining for accurate deterministic question parsing
S Petrov P C Chang M Ringgaard H Alshawi
Consider , for example , the case of questions . Petrov et al. ( 2010 ) observed that dependency parsers tend to do quite poorly when parsing questions due to their limited exposure to them in the news corpora from the PennTreebank . Table 2 shows the accuracy of two parsers ( LAS , UAS and the F1 of the root dependency attachment ) on the QuestionBank test data .
@@CITATION observed that dependency parsers tend to do quite poorly when parsing questions due to their limited exposure to them in the news corpora from the PennTreebank .