Decision theory: an introduction to the mathematics of rationality
Decision theory: an introduction to the mathematics of rationality
Implicatures of Irrelevant Answers and the Principle of Optimal Completion
Logic, Language, and Computation
Discourse relations and relevance implicatures: a case study
TbiLLC'09 Proceedings of the 8th international tbilisi conference on Logic, language, and computation
Journal of Logic, Language and Information
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We investigate the role of multi-attribute utility analyses in game theoretic models of Gricean pragmatics, i.e. for finding a model of the linguistic context of an utterance and for the calculation of implicatures. We investigate especially relevance implicatures of direct answers. The work is based on the optimal answer model (Benz, 2006; Benz & v. Rooij, 2007). We argue that multi-attribute utility functions play an essential role in finding the appropriate models. We concentrate especially on default assumptions which are necessary in order to calculate the correct implicatures. As normality assumptions play a central role in the construction of these models, we call them normal optimal answer models. We introduce rules which provide guidelines for setting up these models.