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arXiv 2000-08-25 0 views

Estimators for Stochastic ``Unification-Based'' Grammars

Johnson, Mark · Geman, Stuart · Canon, Stephen · Chi, Zhiyi · Riezler, Stefan

Original · EN

Log-linear models provide a statistically sound framework for Stochastic ``Unification-Based'' Grammars (SUBGs) and stochastic versions of other kinds of grammars. We describe two computationally-tractable ways of estimating the parameters of such grammars from a training corpus of syntactic analyses, and apply these to estimate a stochastic version of Lexical-Functional Grammar.

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