MUNIN: a causal probabilistic network for interpretation of electromyographic findings

  • Authors:
  • Steen Andreassen;Marianne Woldbye;Björn Falck;Stig K. Andersen

  • Affiliations:
  • Nordjysk Udviklingscenter, Aalborg and Institute for Electronic Systems, Aalborg University, Alborg;Nordjysk Udviklingscenter, Aalborg;Nordjysk Udviklingscenter, Aalborg and Turku University Hospital, Turku;Nordjysk Udviklingscenter, Aalborg and Institute for Electronic Systems, Aalborg University, Alborg

  • Venue:
  • IJCAI'87 Proceedings of the 10th international joint conference on Artificial intelligence - Volume 1
  • Year:
  • 1987

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Abstract

Experience gained through building a causal network for interpretation of electromyographic findings has shown that probabilistic inference is a realistic possibility in networks of non-trivial size. The use of nodes with many internal states has made it possible to make a conceptually simple and compact representation of knowledge. "Deep knowledge" in the form of pathophysiological models are used to reduce the problem of estimating thousands of conditional probabilities to a manageble size. The network has built-in mechanisms that will detect when the network is confronted with a situation outside the limits of its own knowledge and it handles conflicting evidence in a simple and consistent way.