Discourse Multiple Dependencies
نویسنده
چکیده
It is sometimes claimed (cf. that discourse has a tree structure which reeects the semantic structure of discourse. In this paper, I argue that this claim is problematic in cases of discourse multiple dependencies i.e. cases where one discourse segment is semantically related to two discourse segments. I develop a discourse framework which is based on Scha/Polanyi 1988] but integrates ideas from Feature-based Tree Adjoining Grammars (FTAGs). I then show that this new framework adequately captures multiple dependencies whilst retaining the precise linguistic predictions made by the discourse grammar. In particular, I show how it permits a simple modelling of discourse semantics, discourse coherence and discourse based constraints on anaphora resolution.
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