Discourse-givenness of noun phrases : theoretical and computational models

This thesis gives formal definitions of discourse-givenness, coreference and reference, and reports on experiments with computational models of discourse-givenness of noun phrases for English and German. Definitions are based on Bach's (1987) work on reference, Kibble and van Deemter's (2000) work on coreference, and Kamp and Reyle's Discourse Representation Theory (1993). For the experiments, the following corpora with coreference annotation were used: MUC-7, OntoNotes and ARRAU for Englisch, and TueBa-D/Z for German. As for classification algorithms, they cover J48 decision trees, the rule based learner Ripper, and linear support vector machines. New features are suggested, representing the noun phrase's specificity as well as its context, which lead to a significant improvement of classification quality.

Level thesis:degree_level

thesis.doctoral

Grantor dc:publisher

Universität Potsdam

Year

2013

Author dc:creator

• Ritz, Julia

Contributors dc:contributor

• Evert, Stefan

• Diskursgegebenheit
• Klassifikator
• Koreferenz
• Kontext
• tf-idf
• discourse-givenness
• classifier
• coreference
• context

Statement dc:rights

• Keine öffentliche Lizenz: Unter Urheberrechtsschutz

Repository record source_url

https://publishup.uni-potsdam.de/frontdoor/index/index/docId/6831

OAI identifier oai:identifier

oai:kobv.de-opus4-uni-potsdam:6831