linguistics, probabilistic context free grammars (PCFGs) extend context-free grammars, similar to how hidden Markov models extend regular grammars. Each production...

Context-free may refer to: Context-free grammar Deterministic context-free grammar Generalized context-free grammar Probabilistic context-free grammar...

communication technologist Vyvyan Evans mapped out the role of probabilistic context-free grammar (PCFG) in enabling NLP to model cognitive patterns and generate...

on building out the parse tree using a probabilistic context-free grammar (PCFG) (see also stochastic grammar). Lexical semantics What is the computational...

algorithm is a way of re-estimating production probabilities in a probabilistic context-free grammar. It was introduced by James K. Baker in 1979 as a generalization...

specific contexts. (See machine learning.) Approaches which have been used include straightforward PCFGs (probabilistic context-free grammars), maximum...

natural languages. There are several methods for induction of probabilistic context-free grammars.[further explanation needed] The method proposed in Section...

effective compositional vector grammar. A compositional vector grammar can be thought of as probabilistic context free grammar (PCFG) implemented by an RNN...

stochastic grammar (statistical grammar) is a grammar framework with a probabilistic notion of grammaticality: Stochastic context-free grammar Statistical...

pick the most probable one. One way to do this is by using a probabilistic context-free grammar (PCFG) which has a probability of each constituency rule,...

algorithm (alternatively called CYK, or CKY) is a parsing algorithm for context-free grammars published by Itiroo Sakai in 1961. The algorithm is named after...

included work in the subareas of part-of-speech tagging, probabilistic context-free grammar induction, and, more recently, syntactic disambiguation through...

L-system's grammar. An L-system is context-free if each production rule refers only to an individual symbol and not to its neighbours. Context-free L-systems...

recognition Prisma (app) Probabilistic Action Cores Probabilistic context-free grammar Probabilistic latent semantic analysis Probabilistic soft logic Probability...

algorithm, a way of re-estimating production probabilities in a probabilistic context-free grammar Inside/outside, a model of political reform Inside–outside...

the inside-outside algorithm for unsupervised induction of probabilistic context-free grammars. In the analysis of intertrade waiting times i.e. the time...

sentence, when statistical parsing techniques are used, such as probabilistic context-free grammars (PCFG's). Random fields. These represent the extension of...

In formal language theory, a context-free grammar, G, is said to be in Chomsky normal form (first described by Noam Chomsky) if all of its production rules...

probabilistic context-free grammars Lexical analysis LL parser: a relatively simple linear time parsing algorithm for a limited class of context-free...

model (and other types of mixture model) Hidden Markov model Probabilistic context-free grammar Bayesian network (e.g. Naive bayes, Autoregressive model)...

equivalent formalisms, including Markov chains, denoising diffusion probabilistic models, noise conditioned score networks, and stochastic differential...

de Medeiros, Bill Glodek. 2009. "Password Cracking Using Probabilistic Context-Free Grammars". 2009 30th IEEE Symposium on Security and Privacy: 391-405...

structure grammar (GPSG) – Head-driven phrase structure grammar (HPSG) – Lexical functional grammar (LFG) – Probabilistic context-free grammar (PCFG) –...

grammar Prefix grammar Tree automaton Pushdown automaton Context-free grammar Büchi automaton Chomsky hierarchy Context-sensitive language, context-sensitive...

(1992). Grammatical Trigrams: a Probabilistic Model of Link Grammar (PDF). Proceedings of the AAAI Conference on Probabilistic Approaches to Natural Language...

Lafferty and Robert L. Mercer. (1990) "Basic methods of probabilistic context free grammars". Technical Report RC 16374 (72684), IBM. Reprinted in Laface...

grammar is not context-free: INDENT–DEDENT depend on the contextual information of prior indent levels. Generally lexical grammars are context-free,...

prediction based on probabilistic models of RNA structure known as Pair stochastic context-free grammars (also probabilistic context-free grammars). Stemloc attempts...

action (it is not "deterministic"). It must choose an action by making a probabilistic guess and then reassess the situation to see if the action worked. In...

a context-free grammar having terminal symbols for each of the four categories, along with a few other terminal symbols for convenience. The grammar defines...