Temporal Causal Abduction

  • Authors:
  • Maroua Bouzid;Antoni Ligeza

  • Affiliations:
  • CRIL, IUT de Lens Rue de l‘Université, SP 16 62307 Lens-Cedex, France;Institute of Automatics AGH, al. Mickiewicza, 30 30-059 Krakow, Poland

  • Venue:
  • Constraints
  • Year:
  • 2000

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Abstract

The paper is devoted topresentation of the idea of Temporal Causal Networks (TCN).Temporal Causal Networks constitute a tool for representing anddealing with causal dependencies propagation over time. A temporalcausal network is a causal network incorporating explicit representationof time during which its symptoms/nodes are valid, not valid,or unknown. The atemporal causal structure is basically an AND/OR/NOTcausal graph, i.e. a causal graph incorporating basic logical connectivesfor the representation of different types of causal dependencies. Thepresented approach uses a specific time constraints propagationalgorithm to determine possible system behavior in time. Themain application includes simulation, monitoring and elementsof diagnostic reasoning for dynamic systems with explicit timerepresentation.