Exploiting auxiliary distributions in stochastic unification-based grammars

Details Exploiting auxiliary distributions in stochastic unification-based grammars Exploiting auxiliary distributions in stochastic unification-based grammars

2000-08-25

arxiv.org/abs/cs/0008029v1

Proc 1st NAACL, 2000, pages 154-161

Computer Science

Computation and Language

8 pages

Scientific paper

This paper describes a method for estimating conditional probability distributions over the parses of ``unification-based'' grammars which can utilize auxiliary distributions that are estimated by other means. We show how this can be used to incorporate information about lexical selectional preferences gathered from other sources into Stochastic ``Unification-based'' Grammars (SUBGs). While we apply this estimator to a Stochastic Lexical-Functional Grammar, the method is general, and should be applicable to stochastic versions of HPSGs, categorial grammars and transformational grammars.

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