Conflict management in Dempster–Shafer theory using the degree of falsity☆

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Abstract

In this article we develop a method for conflict management within Dempster–Shafer theory. The idea is that each piece of evidence is discounted in proportion to the degree that it contributes to the conflict. This way the contributors of conflict are managed on a case-by-case basis in relation to the problem they cause. Discounting is performed in a sequence of incremental steps, with conflict updated at each step, until the overall conflict is brought down exactly to a predefined acceptable level.

Keywords

Dempster–Shafer theory
Belief function
Conflict
Conflict management
Discounting

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☆

A short version of this study was presented at the Twelfth International Conference on Information Processing and Management of Uncertainty in Knowledge-based Systems (IPMU 2008) in Málaga, Spain [1]. This work was supported by the FOI research project “Real-Time Simulation Supporting Effects-Based Planning”, which is funded by the R&D programme of the Swedish Armed Forces.

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