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Centering: a framework for modeling the local coherence of discourse
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Limited attention and discourse structure
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The rhetorical parsing, summarization, and generation of natural language texts
The rhetorical parsing, summarization, and generation of natural language texts
The rhetorical parsing, summarization, and generation of natural language texts
The rhetorical parsing, summarization, and generation of natural language texts
A centering approach to pronouns
ACL '87 Proceedings of the 25th annual meeting on Association for Computational Linguistics
An Incremental Discourse Parser Architecture
NLP '00 Proceedings of the Second International Conference on Natural Language Processing
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COLING '00 Proceedings of the 18th conference on Computational linguistics - Volume 1
A hierarchical account of referential accessibility
ACL '00 Proceedings of the 38th Annual Meeting on Association for Computational Linguistics
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SIGDIAL '00 Proceedings of the 1st SIGdial workshop on Discourse and dialogue - Volume 10
An integrated framework for text planning and pronominalisation
INLG '00 Proceedings of the first international conference on Natural language generation - Volume 14
Nuclear accent placement and other prosodic parameters as cues to pronoun resolution
DAARC'07 Proceedings of the 6th discourse anaphora and anaphor resolution conference on Anaphora: analysis, algorithms and applications
A comprehensive comparative evaluation of RST-based summarization methods
ACM Transactions on Speech and Language Processing (TSLP)
Why don't Romanians have a five o'clock tea, Nor Halloween, but have a kind of Valentines day?
CICLing'08 Proceedings of the 9th international conference on Computational linguistics and intelligent text processing
Summarisation through discourse structure
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Comparing discourse tree structures
CICLing'13 Proceedings of the 14th international conference on Computational Linguistics and Intelligent Text Processing - Volume Part I
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In this paper, we propose a generalization of Centering Theory (CT) (Grosz, Joshi, Weinstein (1995)) called Veins Theory (VT), which extends the applicability of centering rules from local to global discourse. A key facet of the theory involves the identification of «veins» over discourse structure trees such as those defined in RST, which delimit domains of referential accessibility for each unit in a discourse. Once identified, reference chains can be extended across segment boundaries, thus enabling the application of CT over the entire discourse. We describe the processes by which veins are defined over discourse structure trees and how CT can be applied to global discourse by using these chains. We also define a discourse «smoothness» index which can be used to compare different discourse structures and interpretations, and show how VT can be used to abstract a span of text in the context of the whole discourse. Finally, we validate our theory by analyzing examples from corpora of English, French, and Romanian.