Xem 1-20 trên 81 kết quả Theory of grammar
  • The design, implementation, and use of grammar forma]isms for natural language have constituted a major branch of coml)utational linguistics throughout its development. By viewing grammar formalisms as just a special ease of computer languages, we can take advantage of the machinery of denotational semantics to provide a precise specification of their meaning.

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  • The aim of this book is to illuminate the essential activity of translation from a number of perspectives: historical and contemporary, theoretical and practical. At the same time, the contents of the present volume speak in many modes and voices to literary and cultural history, and to cross-cultural relations through the ages.The book draws on several hundred texts, translations, and texts about translation, ranging from classical antiquity to the present.

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  • This book is an introduction to Word Grammar, a theory of language structure founded and developed by Dick Hudson. In this theory, language is a cognitive network - a network of concepts, words and meanings containing all the elements of a linguistic analysis. The theory of language is therefore embedded in a theory of knowledge, in which there are no boundaries between one form of.

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  • This paper argues that developmental patterns in child language be taken seriously in computational models of language acquisition, and proposes a formal theory that meets this criterion. We first present developmental facts that are problematic for statistical learning approaches which assume no prior knowledge of grammar, and for traditional learnability models which assume the learner moves from one UG-defined grammar to another. In contrast, we view language acquisition as a population of grammars associated with "weights", that compete in a Darwinian selectionist process. ...

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  • A natural next step in the evolution of constraint-based grammar formalisms from rewriting formalisms is to abstract fully away from the details of the grammar mechanism--to express syntactic theories purely in terms of the properties of the class of structures they license.

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  • The talk proceeds as follows: (1) we summarize OT and its applications to UG. The we present (2) learning and (3) parsing algorithms for OT. Finally, (4) we show how crucial elements of OT emerge from connectionism, and discuss the one central feature of OT which so far eludes connectionist explanation. (1) In OT, UG provides a set of highly general universal constraints which apply in parallel to assess the wellformedness of possible structural descriptions of linguistic inputs.

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  • The main contents of this chapter include all of the following: Context Free Grammar, Terminals, nonterminals, productions, CFG, context Free language, examples.

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  • This chapter presents the following content: Example of ambiguous grammar, example of unambiguous grammer (Palindrome), total language tree with examples (Finite and infinite trees), regular grammar, FA to CFG, semi word and word, theorem, defining regular grammar, method to build TG for regular grammar.

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  • The main contents of this chapter include all of the following: Examples of building TG’s corresponding to the regular grammar, null productions with examples, nullable productions with examples, unit production with example, chomsky normal form (Definition).

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  • This book examines the most recent advances in theory and research on communicative grammar instruction and the various instructional options for implementing it effectively in second language (L2) classrooms. A consideration of L2 teaching over the past few decades reveals a fundamental shift in the teaching of grammar from one in which grammar instruction was central, to one in which grammar instruction was absent, and to the recent reconsideration of the significance of the role of grammar instruction....

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  • English Grammar in use department of the academy is the famous english grammar and very familiar with the english learning in our country. English grammar in use the book compiling all the english grammar structure needed so that you can improve your foreign language skills. In addition to a full theory on all points of grammar, english grammar in use also includes useful exercises. English grammar in use really is an ideal book for those who want to improve in terms of language out.

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  • We think the parts are of interest in their o~. The paper consists of three sections: (I) We give a detailed description of the PROLOG implementation of the parser which is based on the theory of lexical functional grammar (I/V.). The parser covers the fragment described in [1,94]. I.e., it is able to analyse constructions involving functional control and long distance dependencies.

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  • Steedman (1985, 1987) and others have proposed that Categorial Grammar, a theory of syntax in which grammatical categories are viewed as functions, be augmented with operators such as functional composition and type raising in order to analyze • noncanonical" syntactic constructions such as wh- extraction and node raising. A consequence of these augmentations is an explosion of semantically equivalent derivations admitted by the grammar. The present work proposes a method for circumventing this spurious ambiguity problem.

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  • We apply a complexity theoretic notion of feasible learnability called "polynomial learnabillty" to the evaluation of grammatical formalisms for linguistic description. We show that a novel, nontriviai constraint on the degree of ~locMity" of grammars allows not only context free languages but also a rich d ~ s of mildy context sensitive languages to be polynomiaily learnable. We discuss possible implications, of this result t O the theory of naturai language acquisition.

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  • This paper presents an implemented, psychologically plausible parsing model for Government Binding theory grammars. I make use of two main ideas: (1) a generalization of the licensing relations of [Abney, 1986] allows for the direct encoding of certain principles of grammar (e.g. Theta Criterion, Case Filter) which drive structure building; (2) the working space of the parser is constrained to the domain determined by a Tree Adjoining Grammar elementary tree. All dependencies and constraints are locaiized within this bounded structure. ...

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  • This paper contributes to the theory of substructural logics .that are of interest to categorial grammarians. Combining semantic ideas of Hepple [1990] and Morrill [1990], proof-theoretic ideas of Venema [1993b; 1993a] and the theory of equational specifications, a class of resource-preserving logics is defined, for which decidability and completeness theorems are established.

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  • "The book is designed for the students of the senior courses of the Univer-sity faculties of foreign languages and Teachers´´ Training Colleges. The aim of the book is therefore to lead the students to a scientific understanding of new assumptions and views of language as system, keeping abreast of the latest findings set forth in the progressive development of grammatical theory by Soviet and foreign scholars in recent times."

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  • Writing Skills Abstract Advanced writing skills are an important aspect of academic performance as well as subsequent work-related performance. However, American students rarely attain advanced scores on assessments of writing skills (National Assessment of Educational Progress, 2002). In order to achieve higher levels of writing performance, the working memory demands of writing processes should be reduced so that executive attention is free to coordinate interactions among them.

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  • Scientists still do not know exactly what causes the earth’s magnetic field. In the 16th century, it was believed that a mountain of magnetite (a magnetic mineral) was located at the North Pole and that this mountain caused the earth’s magnetic field. English physician William Gilbert was the first to propose, in 1600, that the earth itself was a massive magnet. Current theories hold that the earth’s magnetic field is created by currents within the liquid outer core of the earth, which is composed mostly of iron.

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  • Part 1 Oxford living grammar book provides readers elementary lessons English grammar from post 1 to 20. Each lesson is presented consists of theory, put question, enter from the reader can easily program and refresher. Invite your reference.

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