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arXiv · 1303.5704

"Conditional Inter-Causally Independent" Node Distributions, a Property of "Noisy-Or" Models

John Mark Agosta
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Abstract

This paper examines the interdependence generated between two parent nodes with a common instantiated child node, such as two hypotheses sharing common evidence. The relation so generated has been termed "intercausal." It is shown by construction that inter-causal independence is possible for binary distributions at one state of evidence. For such "CICI" distributions, the two measures of inter-causal effect, "multiplicative synergy" and "additive synergy" are equal. The well known "noisy-or" model is an example of such a distribution. This introduces novel semantics for the noisy-or, as a model of the degree of conflict among competing hypotheses of a common observation.

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John Mark Agosta. 2013-03-20. "Conditional Inter-Causally Independent" Node Distributions, a Property of "Noisy-Or" Models. https://arxiv.org/abs/1303.5704

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