Semantic Domains In Computational Linguistics
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Semantic Domains in Computational Linguistics
Author | : Alfio Gliozzo,Carlo Strapparava |
Publsiher | : Springer Science & Business Media |
Total Pages | : 138 |
Release | : 2009-07-31 |
Genre | : Language Arts & Disciplines |
ISBN | : 9783540681588 |
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Semantic fields are lexically coherent – the words they contain co-occur in texts. In this book the authors introduce and define semantic domains, a computational model for lexical semantics inspired by the theory of semantic fields. Semantic domains allow us to exploit domain features for texts, terms and concepts, and they can significantly boost the performance of natural-language processing systems. Semantic domains can be derived from existing lexical resources or can be acquired from corpora in an unsupervised manner. They also have the property of interlinguality, and they can be used to relate terms in different languages in multilingual application scenarios. The authors give a comprehensive explanation of the computational model, with detailed chapters on semantic domains, domain models, and applications of the technique in text categorization, word sense disambiguation, and cross-language text categorization. This book is suitable for researchers and graduate students in computational linguistics.
Semantic Processing for Finite Domains
Author | : Martha Stone Palmer |
Publsiher | : Cambridge University Press |
Total Pages | : 212 |
Release | : 1990-09-28 |
Genre | : Language Arts & Disciplines |
ISBN | : 0521362261 |
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A primary problem in the area of natural language processing has been semantic analysis. This book looks at the semantics of natural languages in context. It presents an approach to the computational processing of English text that combines current theories of knowledge representation and reasoning in Artificial Intelligence with the latest linguistic views of lexical semantics. The book will interest postgraduates and researchers in computational linguistics as well as industrial research groups specializing in natural language processing.
Analyzing Language in Restricted Domains
Author | : Ralph Grishman,Richard Kittredge |
Publsiher | : Psychology Press |
Total Pages | : 265 |
Release | : 2014-04-08 |
Genre | : Psychology |
ISBN | : 9781317767848 |
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First published in 1986. For most of the authors represented in this collection, the term 'Sublanguage' suggests a subsystem of language that behaves essentially like the whole language, while being limited in reference to a specific subject domain. Argued throughout this title, even if sublanguage grammars can be related to the grammar of the full standard language, sublanguages behave in many ways like autonomous systems. This volume will illustrate that, as such, they take on theoretical interest as microcosms of the whole language. The papers collected in this volume were presented at the Workshop on Sublanguage, held at New York University on January 19-20, 1984.
Semantic Relations Between Nominals Second Edition
Author | : Vivi Nastase,Stan Szpakowicz |
Publsiher | : Springer Nature |
Total Pages | : 220 |
Release | : 2022-05-31 |
Genre | : Computers |
ISBN | : 9783031021787 |
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Opportunity and Curiosity find similar rocks on Mars. One can generally understand this statement if one knows that Opportunity and Curiosity are instances of the class of Mars rovers, and recognizes that, as signalled by the word on, rocks are located on Mars. Two mental operations contribute to understanding: recognize how entities/concepts mentioned in a text interact and recall already known facts (which often themselves consist of relations between entities/concepts). Concept interactions one identifies in the text can be added to the repository of known facts, and aid the processing of future texts. The amassed knowledge can assist many advanced language-processing tasks, including summarization, question answering and machine translation. Semantic relations are the connections we perceive between things which interact. The book explores two, now intertwined, threads in semantic relations: how they are expressed in texts and what role they play in knowledge repositories. A historical perspective takes us back more than 2000 years to their beginnings, and then to developments much closer to our time: various attempts at producing lists of semantic relations, necessary and sufficient to express the interaction between entities/concepts. A look at relations outside context, then in general texts, and then in texts in specialized domains, has gradually brought new insights, and led to essential adjustments in how the relations are seen. At the same time, datasets which encompass these phenomena have become available. They started small, then grew somewhat, then became truly large. The large resources are inevitably noisy because they are constructed automatically. The available corpora—to be analyzed, or used to gather relational evidence—have also grown, and some systems now operate at the Web scale. The learning of semantic relations has proceeded in parallel, in adherence to supervised, unsupervised or distantly supervised paradigms. Detailed analyses of annotated datasets in supervised learning have granted insights useful in developing unsupervised and distantly supervised methods. These in turn have contributed to the understanding of what relations are and how to find them, and that has led to methods scalable to Web-sized textual data. The size and redundancy of information in very large corpora, which at first seemed problematic, have been harnessed to improve the process of relation extraction/learning. The newest technology, deep learning, supplies innovative and surprising solutions to a variety of problems in relation learning. This book aims to paint a big picture and to offer interesting details.
Natural Language Processing and Computational Linguistics 2
Author | : Mohamed Zakaria Kurdi |
Publsiher | : John Wiley & Sons |
Total Pages | : 323 |
Release | : 2018-02-28 |
Genre | : Technology & Engineering |
ISBN | : 9781848219212 |
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Natural Language Processing (NLP) is a scientific discipline which is found at the intersection of fields such as Artificial Intelligence, Linguistics, and Cognitive Psychology. This book presents in four chapters the state of the art and fundamental concepts of key NLP areas. Are presented in the first chapter the fundamental concepts in lexical semantics, lexical databases, knowledge representation paradigms, and ontologies. The second chapter is about combinatorial and formal semantics. Discourse and text representation as well as automatic discourse segmentation and interpretation, and anaphora resolution are the subject of the third chapter. Finally, in the fourth chapter, I will cover some aspects of large scale applications of NLP such as software architecture and their relations to cognitive models of NLP as well as the evaluation paradigms of NLP software. Furthermore, I will present in this chapter the main NLP applications such as Machine Translation (MT), Information Retrieval (IR), as well as Big Data and Information Extraction such as event extraction, sentiment analysis and opinion mining.
Computational Linguistics and Beyond
Author | : Chu-Ren Huang,Winfried Lenders |
Publsiher | : Unknown |
Total Pages | : 242 |
Release | : 2004 |
Genre | : Computers |
ISBN | : STANFORD:36105114013514 |
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Computational Lexical Semantics
Author | : Patrick Saint-Dizier,Evelyn Viegas |
Publsiher | : Cambridge University Press |
Total Pages | : 461 |
Release | : 1995-02-24 |
Genre | : Computers |
ISBN | : 9780521444101 |
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Lexical semantics has become a major research area within computational linguistics, drawing from psycholinguistics, knowledge representation, and computer algorithms and architecture. Research programs whose goal is the definition of large lexicons are asking what the appropriate representation structure is for different facets of lexical information. Among these facets, semantic information is probably the most complex and the least explored. Computational Lexical Semantics is one of the first volumes to provide models for the creation of various kinds of computerized lexicons for the automatic treatment of natural language, with applications to machine translation, automatic indexing, and database front-ends, knowledge extraction, among other things. It focuses on semantic issues, as seen by linguists, psychologists, and computer scientists. Besides describing academic research, it also covers ongoing industrial projects.
Natural Language Processing for the Semantic Web
Author | : Diana Maynard,Kalina Bontcheva,Isabelle Augenstein |
Publsiher | : Springer Nature |
Total Pages | : 182 |
Release | : 2022-05-31 |
Genre | : Mathematics |
ISBN | : 9783031794742 |
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This book introduces core natural language processing (NLP) technologies to non-experts in an easily accessible way, as a series of building blocks that lead the user to understand key technologies, why they are required, and how to integrate them into Semantic Web applications. Natural language processing and Semantic Web technologies have different, but complementary roles in data management. Combining these two technologies enables structured and unstructured data to merge seamlessly. Semantic Web technologies aim to convert unstructured data to meaningful representations, which benefit enormously from the use of NLP technologies, thereby enabling applications such as connecting text to Linked Open Data, connecting texts to each other, semantic searching, information visualization, and modeling of user behavior in online networks. The first half of this book describes the basic NLP processing tools: tokenization, part-of-speech tagging, and morphological analysis, in addition to the main tools required for an information extraction system (named entity recognition and relation extraction) which build on these components. The second half of the book explains how Semantic Web and NLP technologies can enhance each other, for example via semantic annotation, ontology linking, and population. These chapters also discuss sentiment analysis, a key component in making sense of textual data, and the difficulties of performing NLP on social media, as well as some proposed solutions. The book finishes by investigating some applications of these tools, focusing on semantic search and visualization, modeling user behavior, and an outlook on the future.