A Knowledge Based Semantics of Messages

  • Authors:
  • Rohit Parikh;Ramaswamy Ramanujam

  • Affiliations:
  • Department of Computer Science and Departments of Mathematics and Philosophy, CUNYGS/ and Department of Computer Science, Brooklyn College of CUNY, CUNY Graduate Center, 365 Fifth Avenue, New York ...;The Institute of Mathematical Sciences, C.I.T. Campus, Chennai 600 113, India/ E-mail: jam@imsc.res.in

  • Venue:
  • Journal of Logic, Language and Information
  • Year:
  • 2003

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Abstract

We investigate the semantics of messages, and argue that the meaning ofa message is naturally and usefully given in terms of how it affects theknowledge of the agents involved in the communication. We note thatthis semantics depends on the protocol used by the agents, and thus not only the message itself, but also the protocol appears as a parameter in the meaning. Understanding this dependence allows us to give formal explanations of a wide variety of notions including language dependence, implicature, and the amount of information in a message.