Three different notions of a probabilistic context-free grammar are known in the literature. The most popular and early definition.
May 24, 2005 · 'Generalized probabilistic grammars' published in 'Mathematical Foundations of Computer Science 1977'
A probabilistic context free grammar (or PCFG) is a context free grammar that associates a probability with each of its productions.
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A generalized probabilistic theory (GPT) is a general framework to describe the operational features of arbitrary physical theories.
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Jul 19, 2021 · In this paper, we propose the use of probabilistic context-free grammars in equation discovery. Such grammars encode soft constraints.
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Probabilistic context-free grammars (PCFGs) provide a simple way to represent a particular class of dis- tributions over sentences in a context-free ...
Abstract—Probabilistic context-free grammars (PCFGs) provide a simple way to represent a particular class of distributions over.
Most efforts to generalize run into nearly intractable computational problems when it comes time to parse or to estimate parameters. Many computational ...
This special issue brings together current work situated at the crossroads of research on usage-based theoretical linguistics, variationist linguistics, and ...
Probabilistic context free grammars (PCFGs) extend context-free grammars, similar to how hidden Markov models extend regular grammars.
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