Performing aggregation and ellipsis using discourse structures

Mariët Theune, Feikje Hielkema, Petra Hendriks

    Research output: Contribution to journalArticleAcademicpeer-review

    11 Citations (Scopus)

    Abstract

    This article describes the generation of aggregated and elliptic sentences, using Dependency Trees connected by rhetorical relations as input. The system we have developed can generate both hypotactic and paratactic constructions with appropriate cue words, and various forms of ellipsis such as Gapping and Conjunction Reduction. We contend that Dependency Trees connected by rhetorical relations are excellent input for a generation system that has to generate ellipsis, and we propose a taxonomy of the most common Dutch cue words, grouped according to the kind of discourse relations they signal. Finally, we argue that syntactic aggregation should be performed in the Surface Realizer of a language generation system, because it requires access to language-specific syntactic information.
    Original languageEnglish
    Pages (from-to)353-375
    Number of pages23
    JournalResearch on language and computation
    Volume4
    Issue number4
    DOIs
    Publication statusPublished - Dec 2006

    Keywords

    • Aggregation
    • Dependency trees
    • Discourse structure
    • Ellipsis
    • Language generation

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