نتایج جستجو برای: computational grammar

تعداد نتایج: 300357  

2003
Robert Munro

This thesis describes a methodology for the computational learning and classification of a Systemic Functional Grammar. A machine learning algorithm is developed that allows the structure of the classifier learned to be a representation of the grammar. Within Systemic Functional Linguistics, Systemic Functional Grammar is a model of language that has explicitly probabilistic distributions and o...

1992
Marc Dymetman

An arbitrary definite clause grammar can be transforaled into a so-called Generalized Greibach Normal Form (GGNF), a generalization of the classical Greibach Normat Form (GNF) for context-free grammars. The normalized definite clause grammar is declaratively equivalent to the original definite clause grammar, that is, it assigns the same analyses to the same strings. Offline-parsability of the ...

Journal: :Computational Linguistics 2013
Marco Kuhlmann

Syntactic representations based on word-to-word dependencies have a long tradition in descriptive linguistics, and receive considerable interest in many computational applications. However, dependency syntax has remained somewhat of an island from a formal point of view, which hampers the exchange of resources and computational methods with other syntactic traditions. In this article, we presen...

2010
Nan Li Noboru Matsuda William W. Cohen Kenneth R. Koedinger

Learners that have better metacognition acquire knowledge faster than others who do not. If we had better models of such learning, we would be able to build a better metacognitive educational system. In this paper, we propose a computational model that uses a probabilistic context free grammar induction algorithm yielding metacognitive learning by acquiring deep features to assist future learni...

Journal: :DELTA: Documentação de Estudos em Lingüística Teórica e Aplicada 2021

ABSTRACT The French clitic pro-form en represents a wide range of heterogeneous constituents: de-PP complements and adjuncts, partitive objects, prepositionless objects cardinals. main goal this paper is to formalize relationship computationally in terms genitive case. This apparently the first non-transformational counterpart Kayne (1975)’s unified analysis, which derives from deep structure w...

1996
Wide R. Hogenhout Yuji Matsumoto

The statistical induction of context free grammars from bracketed corpora with the Inside Outside Algorithm has often inspired researchers, but the computational complexity has made it impossible to generate a large scale grammar. The method we suggest achieves the same results as earlier research, but at a much smaller expense in computer time. We explain the modifications needed to the algori...

2004
Emily M. Bender Dan Flickinger Stephan Oepen Annemarie Walsh Timothy Baldwin

We present a tutorial system for language learners, using a computational grammar augmented with mal-rules for analysis, error diagnosis, and semantics-centered generation of corrected forms. Corrections are produced using a novel strategy of

پایان نامه :دانشگاه آزاد اسلامی واحد کرمانشاه - پژوهشکده زبان و گویش 1393

abstract the purpose of this study is twofold: on the one hand, it is intended to see what kind of noticing-the –gap activity (teacher generated vs. learner generated) is more efficient in teaching l2 grammar in classroom language learning. on the other hand, it is an attempt to determine which approach of the noticing-the-gap- activity is more effective in the long- term retention of grammar...

2007
Alan W. Black

This paper describes the formal power of feature grammars such as Generalised Phrase Structured Grammars (GPSG) 1]. It shows how such grammars relate to context-free grammar (Chomsky type 2) and which extensions cause the formalism to increase in power to context-sensitive grammar and beyond. Also, it describes how any Turing machine can be implemented as a feature grammar showing that the powe...

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