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Pivotal Pruning of Trade-offs in QPNs

16 January 2013
S. Renooij
L. V. D. Gaag
Simon Parsons
S. Green
    TPM
ArXiv (abs)PDFHTML
Abstract

Qualitative probabilistic networks have been designed for probabilistic reasoning in a qualitative way. Due to their coarse level of representation detail, qualitative probabilistic networks do not provide for resolving trade-offs and typically yield ambiguous results upon inference. We present an algorithm for computing more insightful results for unresolved trade-offs. The algorithm builds upon the idea of using pivots to zoom in on the trade-offs and identifying the information that would serve to resolve them.

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