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Indexed grammar information


Indexed grammars are a generalization of context-free grammars in that nonterminals are equipped with lists of flags, or index symbols. The language produced by an indexed grammar is called an indexed language.

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Indexed grammar

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produced by an indexed grammar is called an indexed language. In contemporary publications following Hopcroft and Ullman (1979), an indexed grammar is formally...

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Global index grammar

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natural language grammar and genome grammar. The easiest description of GIGs is by comparison to Indexed grammars. Whereas in indexed grammars, a stack of...

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Indexed language

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Indexed languages are a class of formal languages discovered by Alfred Aho; they are described by indexed grammars and can be recognized by nested stack...

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Grammar

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as a grammar, or as a grammar book. A reference book describing the grammar of a language is called a "reference grammar" or simply "a grammar". A fully...

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Controlled grammar

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of controlled grammars exist, the four main divisions being Indexed grammars, grammars with prescribed derivation sequences, grammars with contextual...

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Alfred Aho

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1997, and again in the spring of 2003. In his PhD thesis Aho created indexed grammars and the nested-stack automaton as vehicles for extending the power...

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LL grammar

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In formal language theory, an LL grammar is a context-free grammar that can be parsed by an LL parser, which parses the input from Left to right, and...

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Generalized phrase structure grammar

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1007/BF00630917. S2CID 222277837. Gazdar, Gerald (1988). "Applicability of Indexed Grammars to Natural Languages". Natural Language Parsing and Linguistic Theories...

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Traditional grammar

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Traditional grammar (also known as classical grammar) is a framework for the description of the structure of a language. The roots of traditional grammar are...

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Recursive grammar

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In computer science, a grammar is informally called a recursive grammar if it contains production rules that are recursive, meaning that expanding a non-terminal...

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Cognitive grammar

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Cognitive grammar is a cognitive approach to language developed by Ronald Langacker, which hypothesizes that grammar, semantics, and lexicon exist on a...

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LR parser

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input: 1 + 1 The two LR(0) parsing tables for this grammar look as follows: The action table is indexed by a state of the parser and a terminal (including...

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Generative grammar

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Generative grammar is a theoretical approach in linguistics that regards grammar as a domain-specific system of rules that generates all and only the...

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Transformational grammar

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linguistics, transformational grammar (TG) or transformational-generative grammar (TGG) is part of the theory of generative grammar, especially of natural languages...

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Construction grammar

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Construction grammar (often abbreviated CxG) is a family of theories within the field of cognitive linguistics which posit that constructions, or learned...

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Combinatory categorial grammar

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(1994) demonstrates that Linear Indexed Grammars, Combinatory Categorial Grammars, Tree-adjoining Grammars, and Head Grammars are weakly equivalent formalisms...

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Head grammar

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typical way of defining head grammars is to replace the terminal strings of CFGs with indexed terminal strings, where the index denotes the "head" word of...

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Hindustani grammar

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of the Perso-Arabic script, typically in the Nastaʿlīq style. On this grammar page, Hindustani is written in the transcription outlined in Masica (1991)...

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Linguistic prescription

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Linguistic prescription, also called prescriptivism or prescriptive grammar, is the establishment of rules defining preferred usage of language. These...

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Indexicality

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functionally unique among the phenomena of culture." It is indexicality, not Saussurean grammar, which should be seen as the semiotic phenomenon which language...

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Phrase structure grammar

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restricted grammars in the Chomsky hierarchy: context-sensitive grammars or context-free grammars. In a broader sense, phrase structure grammars are also...

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Syntax

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pair grammar Generalized phrase structure grammar (GPSG) Generative semantics Head-driven phrase structure grammar (HPSG) Lexical functional grammar (LFG)...

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