Update on the Pathfinder Project ∗

  title={Update on the Pathfinder Project ∗},
  author={David E. Heckerman and Eric J. Horvitz and Bharat N. Nathwani},
We review highlights of our research on Pathfinder, a decision-theoretic expert system for hematopathology diagnosis. We have developed techniques for efficiently acquiring, representing, and reasoning with uncertain biomedical knowledge. Specifically, we have developed a methodology for coping with complex dependencies among findings and disease in pathology. The methodology includes an extension of the belief-network representation called similarity networks. Using this methodology, we have… CONTINUE READING