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ReferenceInterdisciplinary Perspectives$
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Jeanette Gundel and Nancy Hedberg

Print publication date: 2008

Print ISBN-13: 9780195331639

Published to Oxford Scholarship Online: May 2008

DOI: 10.1093/acprof:oso/9780195331639.001.0001

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Looking Both Ways

Looking Both Ways

The JANUS Model of Noun Phrase Anaphor Processing

Chapter:
(p.246) 10 Looking Both Ways
Source:
Reference
Author(s):

Alan Garnham

H. Wind Cowles

Publisher:
Oxford University Press
DOI:10.1093/acprof:oso/9780195331639.003.0010

This chapter presents a new model of coreferential noun phrase anaphora processing, JANUS, within the mental models framework. It summarizes previous research on NP anaphora that is most pertinent to JANUS, and outlines two previous attempts to provide an integrated theory of NP anaphora: Centering Theory and Almor's Informational Load Hypothesis. Each has it problems, but the Informational Load Hypothesis is more firmly rooted in psychology, and closer to the JANUS approach. JANUS incorporates many ideas from the Informational Load Hypothesis, but attempts to address its problems. JANUS assumes that the semantic content of an anaphor should be justified by two types of role that the anaphoric expression plays. Backward-looking roles are primarily concerned with identifying the antecedent (and referent) of the anaphor. Forward-looking roles relate to what is to be said about the referent in upcoming discourse. These two types of roles give JANUS its name.

Keywords:   Centering Theory, Informational Load Hypothesis, JANUS, mental models, noun phrase anaphora, referent

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