On nonspecific evidence

Abstract

When simultaneously reasoning with evidences about several different events it is necessary to separate the evidence according to event. These events should then be hand independently. However, when propositions of evidences are weakly specified in the sense that it may not be certain to which event they are referring, this may not be directly possible. In this article a criterion for partitioning evidences into subsets representing events is established. This criterion, derived from the conflict within each subset, involves minimizing a criterion function for the overall conflict of the partition. an algorithm based on characteristics of the criterion function and an iterative optimization among partitionings of evidences is proposed. © 1993 John Wiley & Sons, Inc.

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