Transition network grammars for natural language analysis
Communications of the ACM
The right tools: Reflections on computation and language
Computational Linguistics
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Many rules of formal debate are well documented, of common knowledge, and "looked-up" in preparation for planned debating. Informal debates, on the other hand, are highly dynamic, are complex, and are spontaneously generated with no prior rule-book preparation. They too, however, are rule-governed. In this paper I present an abstract process model capable of modeling "well" formed" argument structures that occur in ordinary conversations. The formalization rests on a general theorettical framework for discourse engagement encapsulated in a discourse ATN grammar. A major feature of the system is its segmentation of discourse utterances into functionally related context spaces.