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Bayesian Logic Programs

Kristian Kersting; Luc De Raedt
In: James Cussens; Alan M. Frisch (Hrsg.). Inductive Logic Programming, 10th International Conference. International Conference on Inductive Logic Programming (ILP-2000), London, United Kingdom, CEUR Workshop Proceedings, Vol. 35,, 2000.


Bayesian networks provide an elegant formalism for representing and reasoning about uncertainty using probability theory. Theyare a probabilistic extension of propositional logic and, hence, inherit some of the limitations of propositional logic, such as the difficulties to represent objects and relations. We introduce a generalization of Bayesian networks, called Bayesian logic programs, to overcome these limitations. In order to represent objects and relations it combines Bayesian networks with definite clause logic by establishing a one-to-one mapping between ground atoms and random variables. We show that Bayesian logic programs combine the advantages of both definite clause logic and Bayesian networks. This includes the separation of quantitative and qualitative aspects of the model. Furthermore, Bayesian logic programs generalize both Bayesian networks as well as logic programs. So, many ideas developed

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