A computational scheme for reasoning in dynamic probabilistic networks

  • Authors:
  • Uffe Kjærulff

  • Affiliations:
  • Department of Mathematics and Computer Science, Institute of Electronic Systems, Aalborg University, Aalborg, Denmark

  • Venue:
  • UAI'92 Proceedings of the Eighth international conference on Uncertainty in artificial intelligence
  • Year:
  • 1992

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Abstract

A computational scheme for reasoning about dynamic systems using (causal) probabilistic networks is presented. The scheme is based on the framework of Lauritzen and Spiegel-halter (1988), and may be viewed as a generalization of the inference methods of classical time-series analysis in the sense that it allows description of non-linear, multivariate dynamic systems with complex conditional independence structures. Further, the scheme provides a method for efficient backward smoothing and possibilities for efficient, approximate forecasting methods. The scheme has been implemented on top of the HUGIN shell.