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2008

Learning Ground CP-Logic Theories by Leveraging Bayesian Network Learning Techniques

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Learning Ground CP-Logic Theories by Leveraging Bayesian Network Learning Techniques
Causal relations are present in many application domains. Causal Probabilistic Logic (CP-logic) is a probabilistic modeling language that is especially designed to express such relations. This paper investigates the learning of CP-logic theories (CP-theories) from training data. Its first contribution is SEM-CP-logic, an algorithm that learns CP-theories by leveraging Bayesian network (BN) learning techniques. SEM-CP-logic is based on a transformation between CP-theories and BNs. That is, the method applies BN learning techniques to learn a CP-theory in the form of an equivalent BN. To this end, certain modifications are required to the BN parameter learning and structure search, the most important one being that the refinement operator used by the search must guarantee that the constructed BNs represent valid CP-theories. The paper's second contribution is a theoretical and experimental comparison between CP-theory and BN learning. We show that the most simple CP-theories can be ...
Wannes Meert, Jan Struyf, Hendrik Blockeel
Added 25 Jan 2011
Updated 25 Jan 2011
Type Journal
Year 2008
Where FUIN
Authors Wannes Meert, Jan Struyf, Hendrik Blockeel
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