Using event progression to enhance purposive argumentation in the value judgment formalism

  • Authors:

  • Matthias Grabmair;Kevin D. Ashley

  • Affiliations:

  • University of Pittsburgh;University of Pittsburgh

  • Venue:
  • Proceedings of the Fourteenth International Conference on Artificial Intelligence and Law
  • Year:
  • 2013

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Abstract

This paper expands on the previously published value judgment formalism. The representation of situations is enhanced by introducing event progressions similar to actions in general AI planning. Using event progressions, situations can be assessed as to what facts they contain as well as what facts may ensue with some likelihood, thereby opening up a situation space. Purposive legal argumentation can be modeled using propositions and rules controlling the likelihoods of value-laden consequences. The paper expands the formalism to cover event progressions and illustrates the functionality using an example based on Young v. Hitchens.