Multicriterially Best Explanations

  • Authors:
  • Naresh Iyer;John R. Josephson

  • Affiliations:
  • -;-

  • Venue:
  • DS '01 Proceedings of the 4th International Conference on Discovery Science
  • Year:
  • 2001

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Abstract

Inference to the best explanation, IBE, (or abduction) requires finding the best explanatory hypothesis, from a set of rival hypotheses, to explain a collection of data. The notion of best, however, is multicriterial and the available rival hypotheses might be variously good according to different criteria. Thus, one can view the abduction problem as that of choosing the best hypothesis from among a set of multicriterially evaluated hypotheses - i.e as a multiple criteria decision making problem. In the absence of a single hypothesis that is the best along all dimensions of goodness, the MCDM problem becomes especially hard. The Seeker-Filter-Viewer architecture provides an effective and natural way to use computer power to assist humans to solve certain classes of MCDM problems. In this paper, we apply an MCDM perspective to the abductive problem of red-cell antibody identification and present the results obtained by using the S-F-V architecture.