Ordering Constraints on Discourse Relations
نویسنده
چکیده
Recent work investigates the ordering constraints discourse relations impose on texts. Wolf and Gibson (2003) generated GraphBank, a discourse-annotated corpus without a prior constraint to tree-structured annotations, showing that naive annotators generate representations containing multiple-parented nodes and relations with crossing arguments. Webber et al. (2003) hypothesize that discourse models’ relations should be divided into structural connectives which are limited to relating adjacent discourse segments, and discourse adverbials which are not.
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Nick Asher: (Invited): Constraints in Discourse: Part of a more general theory of rationality? SDRT promotes two central ideas relevant to constraints in discourse: (1) dynamic semantic update is constrained by discourse structure; (2) discourse coherence is a scalar phenomenon and so discourse structure construction should proceed by maximizing discourse coherence given the resources available...
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