Non-Fiction Books:


Theoretical and Computational Approaches


Paperback / softback

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This volume of newly commissioned essays examines current theoretical and computational work on polysemy, the term used in semantic analysis to describe words with more than one meaning. Such words present few difficulties in everyday language, but pose central problems for linguists and lexicographers, especially for those involved in lexical semantics and in computational modelling. The contributors to this book - leading researchers in theoretical and computational linguistics - consider the implications of these problems for linguistic theory and how they may be addressed by computational means. The theoretical essays in the book examine polysemy as an aspect of a broader theory of word meaning. Three theoretical approaches are presented: the Classical (or Aristotelian), the Prototypical, and the Relational. Their authors describe the nature of polysemy, the criteria for detecting it, and its manifestations across languages. They examine the issues arising from the regularity of polysemy and the theoretical principles proposed to account for the interaction of lexical meaning with the semantics and syntax of the context in which it occurs. Finally they consider the formal representations of meaning in the lexicon, and their implications for dictionary construction. The computational essays are concerned with the challenge of polysemy to automatic sense disambiguation - how the intended meaning for a word occurrence can be identified. The approaches presented include the exploitation of lexical information in machine-readable dictionaries, machine learning based on patterns of word co-occurrence, and hybrid approaches that combine the two. As a whole the volume shows how on the one hand theoretical work provides the motivation and may suggest the basis for computational algorithms, while on the other computational results may validate, or reveal problems in, the principles set forth by theories.

Author Biography

Yael Ravin is a manager at the T. J. Watson Research Center of IBM in New York, where she has been working in computational linguistics. Her current research focuses on integrating information extraction and text retrieval techniques into knowledge management applications. Claudia Leacock is Co-Director of Research at ETS Technologies, a subsidiary of Educational Testing Service, where she does research on automated scoring technologies.
Release date NZ
November 8th, 2001
Edited by Claudia Leacock Edited by Yael Ravin
Country of Publication
United Kingdom
11 figures; 11 tables
Oxford University Press
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