Cassandre Creswell

Discourse Function & Syntactic Form in Natural Language Generation (eBook, PDF)

• Format: PDF

Produktbeschreibung

Users of natural languages have many word orders with which to encode the same truth-conditional meaning. They choose contextually appropriate strings from these many ways with little conscious effort and with effective communicative results. Previous computational models of when English speakers produce non-canonical word orders, like topicalization, left-dislocation, and clefts, fail-either by overgenerating these statistically rare forms or by undergenerating. The primary goal of this book is to present a better model of when speakers choose to produce certain non-canonical word orders by incorporating the effects of discourse context and speaker goals on syntactic choice. The theoretical model is then used as a basis for building a probabilistic classifier that can select the most human-like word order based on the surrounding discourse context. The model of discourse context used is a methodological advance both from a theoretical and an engineering perspective. It is built up from individual linguistic features, ones more easily and reliably annotated than the direct annotation of a discourse or rhetorical structure for a text. This book makes extensive use of previously unexamined naturally occurring corpus data of non-canonical word order in English, both to illustrate the points of the theoretical model and to train the statistical model.

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Produktdetails

• Verlag: Taylor & Francis
• Seitenzahl: 196
• Erscheinungstermin: 24. Dezember 2004
• Englisch
• ISBN-13: 9781135876210
• Artikelnr.: 42983680

Autorenporträt

Cassandre Creswell earned her B.A. in linguistics at the University of Illinois at Urbana-Champaign. She has a M.S.E. in computer and information science and a Ph.D. in linguistics from the University of Pennsylvania. She currently resides in Toronto, Canada.

Inhaltsangabe

Acknowledgements Tables Figures Chapter 1: Introduction Chapter 2:
Background: Previous Work and Relevant Theory Chapter 3: A Goal-Based Model
of Syntactic Choice Chapter 4: An Empirical Study of Discourse Structure
and Non-Canonical Word Order Chapter 5: Conclusions and Future Directions
Bibliography Index