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Author: Cosmin Munteanu
Publisher: National Library of Canada = Bibliothèque nationale du Canada
ISBN: 9780612914377
Category :
Languages : en
Pages : 206
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Book Description
A major obstacle in developing efficient parsers for unification-based grammars is the slow parsing time caused by the complex and large structure used to represent grammatical categories. With the broadening coverage of such grammars, their size and complexity increases, creating the need for improved parsing techniques. Although several statistical optimizations exist today that exhibit significant improvements in parsing times, they rely on data collected during a training phase. This thesis presents a theoretical investigation of indexing based on static analysis of feature structure grammar rules, a method that has received little attention in the last few years in computational linguistics. This non-statistical approach has the advantage of not requiring training phases, although it is consistent with further statistical optimizations.
![Indexing Methods for Efficient Parsing with Typed Feature Structure Grammars [microform] PDF](https://books.google.com/books/content/images/frontcover/YTK4AAAACAAJ?fife=w80-h100)
Author: Cosmin Munteanu
Publisher: National Library of Canada = Bibliothèque nationale du Canada
ISBN: 9780612914377
Category :
Languages : en
Pages : 206
Get Book Here
Book Description
A major obstacle in developing efficient parsers for unification-based grammars is the slow parsing time caused by the complex and large structure used to represent grammatical categories. With the broadening coverage of such grammars, their size and complexity increases, creating the need for improved parsing techniques. Although several statistical optimizations exist today that exhibit significant improvements in parsing times, they rely on data collected during a training phase. This thesis presents a theoretical investigation of indexing based on static analysis of feature structure grammar rules, a method that has received little attention in the last few years in computational linguistics. This non-statistical approach has the advantage of not requiring training phases, although it is consistent with further statistical optimizations.
Author: Robert T. Kasper
Publisher:
ISBN:
Category : Grammar, Comparative and general
Languages : en
Pages : 11
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Book Description
This report describes a general parsing method for systematic grammars. Systematic grammars contain a paradigmatic analysis of language in addition to structural information, so a parser must assign a set of grammatical features and functions to each constituent in addition to producing a constituent structure. Our method constructs a parser by compiling systemic grammars into the notation of Functional Unification Grammar. The existing methods for parsing with unification grammars have been extended to handle a fuller range of paradigmatic descriptions. In particular, the PATR-II system has been extended by using disjunctive and conditional information in functional descriptions that are attached to phrase structure rules. The method has been tested with a large grammar of English that was originally developed for text generation. This testing is the basis for some observations about the bidirectional use of a grammar. Keywords: Artificial intelligence; Bidirectional grammar; Computational linguistics; Feature structures; Functional grammar; Natural language; Parsing; Syntax; Systemic grammar; Unification grammar. (JHD).
Author: David A. Clunie
Publisher: PixelMed Publishing
ISBN: 0970136900
Category : Communication in medicine
Languages : en
Pages : 396
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Book Description
Author: Mieczyslaw A. Klopotek
Publisher: Springer Science & Business Media
ISBN: 3540323929
Category : Computers
Languages : en
Pages : 678
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Book Description
The international conference Intelligent Information Processing and Web Mining IIS:IIPWM’05, organized in Gda?sk-Sobieszewo on 13–16th June, 2005, was a continuation of a long tradition of conferences on applications of Arti?cial Intelligence (AI) in Information Systems (IS), organized by the Institute of Computer Science of Polish Academy of Sciences in cooperation with other scienti?c and business institutions. The Institute itself is deeply engaged in research both in AI and IS and many scientists view it as a leading institution both in fundamental and - plied research in these areas in Poland. The originators of this conference series, Prof. M. D?browski and Dr. M. Michalewicz had in 1992 a long-term goal of bringing together scientists and industry of di?erent braches from Poland and abroad to achieve a creative synthesis. One can say that their dream has come to reality. Scientists from ?ve continents made their subm- sions to this conference. A brief look at the a?liations makes international cooperation visible. The research papers have either a motivation in c- crete applications or are o?-springs of some practical requests. This volume presents the best papers carefully chosen from a large set of submissions (about 45%). At this point we would like to express our thanks to the m- bers of Programme Committee for their excellent job. Also we are thankful to the organizers of the special sessions accompanying this conference: Jan Komorowski, Adam Przepiórkowski, Zbigniew W.
Author: Martin W Bauer
Publisher: SAGE
ISBN: 1446223361
Category : Social Science
Languages : en
Pages : 386
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Book Description
`This excellent text will introduce advanced students - and remind senior researchers - of the availability of a broad range of techniques available for the systematic analysis of social data that is not numeric. It makes the key point that neither quantitative nor qualitative methods are interpretive and at the same time demonstrates once and for all that neither a constructivist perspective nor a qualitative approach needs to imply abandonment of rigor. That the chapters are written by different authors makes possible a depth of expertise within each that is unusually strong′ - Susanna Hornig Priest, Texas A&M University; Author of `Doing Media Research′ Qualitative Researching with Text, Image and Sound offers a unique resource for today′s social researcher. This practical handbook provides a comprehensive and accessible introduction to a broad range of research methods with the objective of clarifying procedures, good practice and public accountability. Following an introduction which discusses quality and quantity, and how these relate to issues of representation and knowledge interests in social research, the book is organized into four parts: · Part I covers different ways of collecting data and different types of data relating to text, image and sound: corpus construction, individual and group interviewing, narrative and episodic interviewing, video and film, and bemetology. · Part II introduces the main analytic approaches for text, image and sound: classical content analysis, argumentation, discourse, conversation analysis, rhetoric, semiotics, analysis of moving images, and of noise and music - each includes an introduction with examples and step-by-step advice on how to do it. · Part III covers computer-assisted analysis - including computer-assisted qualitative data analysis and key-word-in-context analysis. · Part IV addresses issues of good practice, looking at problems and fallacies in interpretation and develops quality criteria for qualitative research. This book provides researchers with the skills and knowledge to make the appropriate choices between different methods, types of data, and analytic procedures, and gives examples and criteria of good practice for each one. It will be essential reading for students and researchers across the social sciences.
Author: Peter Jackson
Publisher: John Benjamins Publishing
ISBN: 9027292442
Category : Computers
Languages : en
Pages : 243
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Book Description
This text covers the technologies of document retrieval, information extraction, and text categorization in a way which highlights commonalities in terms of both general principles and practical concerns. It assumes some mathematical background on the part of the reader, but the chapters typically begin with a non-mathematical account of the key issues. Current research topics are covered only to the extent that they are informing current applications; detailed coverage of longer term research and more theoretical treatments should be sought elsewhere. There are many pointers at the ends of the chapters that the reader can follow to explore the literature. However, the book does maintain a strong emphasis on evaluation in every chapter both in terms of methodology and the results of controlled experimentation.
Author:
Publisher:
ISBN:
Category : Documentation
Languages : en
Pages : 868
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Book Description
Author: Peter Gloor
Publisher: Springer Science & Business Media
ISBN: 9780817639112
Category : Computers
Languages : en
Pages : 422
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Book Description
The hypermedia authoring process has been vividly described in a special issue of the Economist as a combination of writing a book, a play, a film, and a radio or television show: A hypermedia document combines all these elements and adds some of its own. The author' s first job is to structure and explain all of the infor mation. The author then must distill the information into brief, descriptive nodes. Each node has to contain a Iist of the ingredients, and instructions on how the ingredients are mixed together to the greatest advantage. The structure of the material provided is translated into an architectural metaphor of some kind; much of the designer' s work is the creation of this imaginary space. Then, the designers must chart the details of what to animate, what to film, who to inter view, and how to arrange the information in the space tobe built [Eco95a]. This book presents guidelines, tools, and techniques for prospective authors such that they can design better hypermedia documents and applications. lt surveys the different techniques used to organize, search, and structure infor mation in a large information system. It then describes the algorithms used to locate, reorganize, and link data to enable navigation and retrieval. It Iooks in detail at the creation and presentation of certain types of visual information, namely algorithm animations. It introduces new mechanisms for editing audio and video data streams.
Author: Yunlin Su
Publisher: Springer Science & Business Media
ISBN: 3642208355
Category : Computers
Languages : en
Pages : 458
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Book Description
"Principles of Compilers: A New Approach to Compilers Including the Algebraic Method" introduces the ideas of the compilation from the natural intelligence of human beings by comparing similarities and differences between the compilations of natural languages and programming languages. The notation is created to list the source language, target languages, and compiler language, vividly illustrating the multilevel procedure of the compilation in the process. The book thoroughly explains the LL(1) and LR(1) parsing methods to help readers to understand the how and why. It not only covers established methods used in the development of compilers, but also introduces an increasingly important alternative — the algebraic formal method. This book is intended for undergraduates, graduates and researchers in computer science. Professor Yunlin Su is Head of the Research Center of Information Technology, Universitas Ma Chung, Indonesia and Department of Computer Science, Jinan University, Guangzhou, China. Dr. Song Y. Yan is a Professor of Computer Science and Mathematics at the Institute for Research in Applicable Computing, University of Bedfordshire, UK and Visiting Professor at the Massachusetts Institute of Technology and Harvard University, USA.
Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 612
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