An Experimental Comparison of Numerical and Qualitative Probabilistic Reasoning

  title={An Experimental Comparison of Numerical and Qualitative Probabilistic Reasoning},
  author={Max Henrion and Gregory M. Provan and Brendan Del Favero and Gillian Sanders},
Qualitative and infinitesimal probability schemes are consistent with the axioms of probability theory, but avoid the need for precise numerical probabilities. Using qualitative probabilities could substantially reduce the effort for knowledge engineering and improve the robustness of results. We examine experimentally how well infinitesimal probabilities (the kappa-calculus of Goldszmidt and Pearl) perform a diagnostic task troubleshooting a car that will not start by comparison with a… CONTINUE READING
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