Explanation in Case-Based Reasoning---Perspectives and Goals

  • Authors:

  • Frode Sørmo;Jörg Cassens;Agnar Aamodt

  • Affiliations:

  • Department of Computer and Information Science (IDI), Norwegian University of Science and Technology (NTNU), Trondheim, Norway 7491;Department of Computer and Information Science (IDI), Norwegian University of Science and Technology (NTNU), Trondheim, Norway 7491;Department of Computer and Information Science (IDI), Norwegian University of Science and Technology (NTNU), Trondheim, Norway 7491

  • Venue:
  • Artificial Intelligence Review
  • Year:
  • 2005

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Abstract

We present an overview of different theories of explanation from the philosophy and cognitive science communities. Based on these theories, as well as models of explanation from the knowledge-based systems area, we present a framework for explanation in case-based reasoning (CBR) based on explanation goals. We propose ways that the goals of the user and system designer should be taken into account when deciding what is a good explanation for a given CBR system. Some general types of goals relevant to many CBR systems are identified, and used to survey existing methods of explanation in CBR. Finally, we identify some future challenges.