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Learning about a Categorical Latent Variable under Prior Near-Ignorance

Piatti, Alberto; Zaffalon, Marco; Trojani, Fabio; Hutter, Marcus


It is well known that complete prior ignorance is not compatible with learning, at least in a coherent theory of (epistemic) uncertainty. What is less widely known, is that there is a state similar to full ignorance, that Walley calls \emph{near-ignorance}, that permits learning to take place. In this paper we provide new and substantial evidence that also near-ignorance cannot be really ...[Show more]

CollectionsANU Research Publications
Date published: 2007
Type: Conference paper


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