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A Credal Extension of Independent Choice Logic and its Applications to Preference Learning

Alessandro Antonucci, Dalle Molle Institute for Artificial Intelligence (IDSIA)
3-4pm  10th Jan 2019


We propose an extension of Poole's independent choice logic based on a relaxation of the underlying independence assumptions. A credal semantics involving multiple joint probability mass functions over the possible worlds is adopted. This represents a conservative approach to probabilistic logic programming achieved by considering all the mass functions consistent with the probabilistic facts. This allows to model tasks for which independence among some probabilistic choices cannot be assumed, and a specific dependence model cannot be assessed. Tests on an object ranking application show that, despite the loose underlying assumptions, informative inferences can be extracted.

This is aimed as a short talk 20-25 mins to allow more time for discussion and debate following the presentation.

Short Bio


Large Conference Room, O'Reilly Institute