Contouring of Knowledge for Intelligent Searching for Arguments

  • Authors:
  • Anthony Hunter

  • Affiliations:
  • UCL Department of Computer Science, London, UK. Email: a.hunter@cs.ucl.ac.uk

  • Venue:
  • Proceedings of the 2006 conference on ECAI 2006: 17th European Conference on Artificial Intelligence August 29 -- September 1, 2006, Riva del Garda, Italy
  • Year:
  • 2006

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Abstract

A common assumption for logic-based argumentation is that an argument is a pair where Φ is a minimal subset of the knowledgebase such that Φ is consistent and Φ entails the claim α. Different logics are based on different definitions for entailment and consistency, and these give us different options for argumentation. For a variety of logics, in particular for classical logic, there is a need to develop intelligent techniques for generating arguments. Since building a constellation of arguments and counterarguments involves repeatedly querying a knowledgebase, we propose a framework based on what we call “contours” for storing information about a knowledgebase that provides boundaries on what is provable in the knowledgebase. Using contours allows for more intelligent searching of a knowledgebase for arguments and counterarguments.