A Resource-light Approach to Morpho-syntactic Tagging

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Rodopi, 2010 - Computers - 185 pages
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While supervised corpus-based methods are highly accurate for different NLP tasks, including morphological tagging, they are difficult to port to other languages because they require resources that are expensive to create. As a result, many languages have no realistic prospect for morpho-syntactic annotation in the foreseeable future. The method presented in this book aims to overcome this problem by significantly limiting the necessary data and instead extrapolating the relevant information from another, related language. The approach has been tested on Catalan, Portuguese, and Russian. Although these languages are only relatively resource-poor, the same method can be in principle applied to any inflected language, as long as there is an annotated corpus of a related language available. Time needed for adjusting the system to a new language constitutes a fraction of the time needed for systems with extensive, manually created resources: days instead of years.

This book touches upon a number of topics: typology, morphology, corpus linguistics, contrastive linguistics, linguistic annotation, computational linguistics and Natural Language Processing (NLP). Researchers and students who are interested in these scientific areas as well as in cross-lingual studies and applications will greatly benefit from this work. Scholars and practitioners in computer science and linguistics are the prospective readers of this book.
 

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Contents

Common tagging techniques
5
Previous resourcelight approaches to NLP
31
Languages corpora and tagsets
49
List of tables
50
Quantifying language properties
71
Resourcelight morphological analysis
81
Crosslanguage morphological tagging
103
Summary and further work
125
Bibliography
133
Appendices
148
Positions of the Czech and Russian tagsets
150
B Corpora
165
Citation Index
183
Copyright

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About the author (2010)

Anna Feldman is an assistant professor of linguistics and computer science at Montclair State University. She received her Ph.D. from The Ohio State University For more information on her research, please, visit http://purl.org/net/fa
Jirka Hana is a researcher at Charles University in Prague. He holds a Ph.D. degree in linguistics from the Ohio State University and a doctoral degree in computer science from Charles University. He has published numerous articles in computational linguistics. For more information, please, visit http://purl.org/net/jh.

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