... Bod, and R. Scha, 1997. A DOP Model for Semantic Interpretation, ProceedingsACL/EACL-97, Madrid, Spain.Bonnema, R., P. Buying and R. Scha, 1999. A New Probability Model for Data-Oriented Parsing,Proceedings ... job with a more compact grammar.2.2 PCFG-Reductions of Bod (2001) andBonnema et al. (1999)DOP1 has a serious bias: its subtree estimatorprovides more probability to nodes with more subtrees ... simple model. What is more important, is, that the bestparse trees predicted by Simplicity-DOP are quitedifferent from the best parse trees predicted byLikelihood-DOP. This suggests that a model which...