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Grammars with parsing dynamics: A new perspective on alignment.

Ruth Kempson1

  • 1Philosophy Department, King's College London, London WC2R 2LS, United Kingdom ruth.kempson@kcl.ac.uk http://www.kcl.ac.uk/kis/schools/hums/philosophy/top.html.

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Summary

Dialogue alignment is explained by adopting parsing-directed grammar formalisms. This approach defines syntax as growing semantic representations, making alignment between speakers expected and allowing grammar evaluation based on dialogue phenomena.

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Area of Science:

  • Computational Linguistics
  • Cognitive Science
  • Formal Semantics

Background:

  • Dialogue alignment is a fundamental aspect of human conversation.
  • Existing grammar formalisms struggle to adequately explain the mechanisms behind dialogue alignment.
  • Understanding alignment is crucial for developing more sophisticated natural language processing systems.

Purpose of the Study:

  • To propose a novel explanation for dialogue alignment using parsing-directed grammar formalisms.
  • To demonstrate how syntactic processing can naturally lead to conversational alignment.
  • To establish a framework for evaluating grammars based on their ability to model dialogue.

Main Methods:

  • Adopting parsing-directed grammar formalisms where syntax is defined as the monotonic growth of semantic representations.
  • Analyzing the process of word parsing and its impact on semantic representation.
  • Developing a theoretical model linking syntactic parsing to dialogue alignment.

Main Results:

  • Parsing-directed grammars provide a principled explanation for dialogue alignment.
  • The monotonic growth of semantic representations during parsing naturally accounts for alignment between interlocutors.
  • Grammars can be evaluated based on their success in characterizing observed dialogue phenomena.

Conclusions:

  • Parsing-directed grammar formalisms offer a robust framework for understanding dialogue alignment.
  • This approach integrates syntactic processing with semantic interpretation to explain conversational coordination.
  • The proposed framework facilitates the empirical evaluation of grammars in the context of natural dialogue.