... nonterminals of type A occur in the training data. Then we slightlymodify the PCFG-reduction in figure 2 asfollows: A 1BC(1/ai) A BC(1Iaa) A BkC(bklaj) A BkC(bklaa) A (cilaj) A (cilaa) A. BkCi(bkcilaj) A BkCi(bkcilaa)Figure ... Using an Annotated LanguageCorpus as a Virtual Stochastic Grammar,Proceedings AAAI'93, Washington D.C.Bod, R. 1998. Beyond Grammar: An Experience-Based Theory of Language, Stanford, ... 1992.Development and Evaluation of a Broad-Coverage Probabilistic Grammar of English-Language Computer Manuals. ProceedingsACL'92, Newark, Delaware.Black, E., R. Garside and G. Leech, 1993.Statistically-Driven...