Implementation And Evaluation Of Yet Another Generalized Lr Parsing Algorithm
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Implementation And Evaluation Of Yet Another Generalized Lr Parsing Algorithm
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Author : K. G. Suresh
language : en
Publisher:
Release Date : 1992
Implementation And Evaluation Of Yet Another Generalized Lr Parsing Algorithm written by K. G. Suresh and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Algorithms categories.
Abstract: "This paper presents an implementation and evaluation of our new generalized LR parsing algorithm called Yet Another Generalized LR parsing algorithm (YAGLR). In its original version, YAGLR uses graph- structured stack (GSS) whereas in the preliminary implementation we use tree-structured stack (trss). The merge operation of stack in our algorithm is deeper than top nodes and is effective. Hence the parsing time and the reduction in memory space are remarkable. Due to effective merge operations, even when using trss, we retain packed nature of GSS and thus not causing heavy loss of memory space. Through reduce actions, YAGLR creates items called drit which are symmetrically different from Earley's item. The advantages in creating drit are realized. Through our implementation, we practically prove that for a context-free grammar with reasonable size and complexity, YAGLR's parsing time is in the order of n3, where n is the length of an imput sentence. We conclude that YAGLR has the advantages of both Earley's and Tomita's algorithm."
Icot Journal
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Author :
language : en
Publisher:
Release Date : 1991
Icot Journal written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Electronic digital computers categories.
Technology And Languages
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Author : B. B. Rajapurohit
language : en
Publisher:
Release Date : 1994
Technology And Languages written by B. B. Rajapurohit and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Computational linguistics categories.
Domain Specific Languages In Practice
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Author : Antonio Bucchiarone
language : en
Publisher: Springer Nature
Release Date : 2021-06-24
Domain Specific Languages In Practice written by Antonio Bucchiarone and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-06-24 with Computers categories.
This book covers several topics related to domain-specific language (DSL) engineering in general and how they can be handled by means of the JetBrains Meta Programming System (MPS), an open source language workbench developed by JetBrains over the last 15 years. The book begins with an overview of the domain of language workbenches, which provides perspectives and motivations underpinning the creation of MPS. Moreover, technical details of the language underneath MPS together with the definition of the tool’s main features are discussed. The remaining ten chapters are then organized in three parts, each dedicated to a specific aspect of the topic. Part I “MPS in Industrial Applications” deals with the challenges and inadequacies of general-purpose languages used in companies, as opposed to the reasons why DSLs are essential, together with their benefits and efficiency, and summarizes lessons learnt by using MPS. Part II about “MPS in Research Projects” covers the benefits of text-based languages, the design and development of gamification applications, and research fields with generally low expertise in language engineering. Eventually, Part III focuses on “Teaching and Learning with MPS” by discussing the organization of both commercial and academic courses on MPS. MPS is used to implement languages for real-world use. Its distinguishing feature is projectional editing, which supports practically unlimited language extension and composition possibilities as well as a flexible mix of a wide range of textual, tabular, mathematical and graphical notations. The number and diversity of the presented use-cases demonstrate the strength and malleability of the DSLs defined using MPS. The selected contributions represent the current state of the art and practice in using JetBrains MPS to implement languages for real-world applications.
New Developments In Parsing Technology
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Author : H. Bunt
language : en
Publisher: Springer Science & Business Media
Release Date : 2006-01-27
New Developments In Parsing Technology written by H. Bunt and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-01-27 with Computers categories.
Parsing can be defined as the decomposition of complex structures into their constituent parts, and parsing technology as the methods, the tools, and the software to parse automatically. Parsing is a central area of research in the automatic processing of human language. Parsers are being used in many application areas, for example question answering, extraction of information from text, speech recognition and understanding, and machine translation. New developments in parsing technology are thus widely applicable. This book contains contributions from many of today's leading researchers in the area of natural language parsing technology. The contributors describe their most recent work and a diverse range of techniques and results. This collection provides an excellent picture of the current state of affairs in this area. This volume is the third in a series of such collections, and its breadth of coverage should make it suitable both as an overview of the current state ofthe field for graduate students, and as a reference for established researchers.
Logic Programming 89
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Author : Koichi Furukawa
language : en
Publisher: Springer Science & Business Media
Release Date : 1991-04-24
Logic Programming 89 written by Koichi Furukawa and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991-04-24 with Computers categories.
This volume contains selected papers presented at the Eighth Logic Programming Conference, held in Tokyo, 1989. Various topics in logic programming are covered. The first paper is an invited talk by Prof. Donald Michie, Chief Scientist of the Turing Institute, entitled "Human and Machine Learning of Descriptive Concepts", and introduces various research results on learning obtained by his group. There are eleven further papers, organized into sections on reasoning, logic programming language, concurrent programming, knowledge programming, natural language processing, and applications. A paper on knowledge programming introduces a flexible and powerful tool for incorporating and organizing knowledge using hypermedia. Another paper presents the constraint logic programming language cu-Prolog, designed for combinatorial problems; the way cu-Prolog solves the constraints is based on program transformation.
New Trends In Software Methodologies Tools And Techniques
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Author : Hamido Fujita
language : en
Publisher: IOS Press
Release Date : 2004
New Trends In Software Methodologies Tools And Techniques written by Hamido Fujita and has been published by IOS Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Computers categories.
Software is the essential enabler for the new economy and science. It creates new markets and new directions for a more reliable, flexible, and robust society. It empowers the exploration of our world in ever more depth. However, software often falls short behind our expectations. Current software methodologies, tools, and techniques remain expensive and not yet reliable for a highly changeable and evolutionary market. Many approaches have been proven only as case-by-case oriented methods. This book presents a number of new trends and theories in the direction in which we believe software science and engineering may develop to transform the role of software and science in tomorrow's information society. This book is an attempt to capture the essence of a new state of art in software science and its supporting technology. The book also aims at identifying the challenges such a technology has to master. and Conceptual Software Models, Declarative Representation for Software Development, Requirement Representation and Formalization, Formal Specification and Language Interpretation, Legacy Systems and Language Conversions, Software Quality and Development Measurement, and Software Development Practices Models examples. Each of these chapters contains well-reviewed and selected papers, so the reader can enjoy the state-of-the-art on the need on such new emerged technology.
Advanced Visual Interfaces Proceedings Of The International Workshop Avi 92
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Author : Stefano Levialdi
language : en
Publisher: World Scientific
Release Date : 1992-12-23
Advanced Visual Interfaces Proceedings Of The International Workshop Avi 92 written by Stefano Levialdi and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992-12-23 with categories.
This volume brings together papers by experts in different areas of computer science, who have a common interest in the design and management of visual interfaces. Since cognitive science and metaphor analysis prove useful for understanding the basic mechanisms which allow visual interfaces to be easy to learn and use, these topics are also featured. Other areas focused on are: visual languages, visual database systems, intelligent agents for system interaction, graphical and pictorial communication tools, multimedia environments and specific technological developments.
Advances In Probabilistic And Other Parsing Technologies
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Author : H. Bunt
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-03-09
Advances In Probabilistic And Other Parsing Technologies written by H. Bunt and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-09 with Computers categories.
Parsing technology is concerned with finding syntactic structure in language. In parsing we have to deal with incomplete and not necessarily accurate formal descriptions of natural languages. Robustness and efficiency are among the main issuesin parsing. Corpora can be used to obtain frequency information about language use. This allows probabilistic parsing, an approach that aims at both robustness and efficiency increase. Approximation techniques, to be applied at the level of language description, parsing strategy, and syntactic representation, have the same objective. Approximation at the level of syntactic representation is also known as underspecification, a traditional technique to deal with syntactic ambiguity. In this book new parsing technologies are collected that aim at attacking the problems of robustness and efficiency by exactly these techniques: the design of probabilistic grammars and efficient probabilistic parsing algorithms, approximation techniques applied to grammars and parsers to increase parsing efficiency, and techniques for underspecification and the integration of semantic information in the syntactic analysis to deal with massive ambiguity. The book gives a state-of-the-art overview of current research and development in parsing technologies. In its chapters we see how probabilistic methods have entered the toolbox of computational linguistics in order to be applied in both parsing theory and parsing practice. The book is both a unique reference for researchers and an introduction to the field for interested graduate students.
Artificial Intelligence In The Pacific Rim
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Author : Hozumi Tanaka
language : en
Publisher: IOS Press
Release Date : 1991
Artificial Intelligence In The Pacific Rim written by Hozumi Tanaka and has been published by IOS Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Computers categories.
In the last decade, AI firmly settled into our industrial society with the expert systems as the representative product. However, almost every one of the systems could cover only a single task domain. In the highly mechanized world of the 21st century, systems will become smart and user friendly enough to cover a wide range of task domains. Systems with much user friendliness must be multilingual because users in different domains usually have different languages. Language is formed in its own culture. Therefore, promotion for cross-cultural scientific interchange will be indispensable for the progress of AI.