Compressing probabilistic Prolog programs

Luc De Raedt

doi:10.1007/s10994-007-5030-x

Compressing probabilistic Prolog programs

2007-11-08

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DOI：10.1007/s10994-007-5030-x

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ProbLog is a recently introduced probabilistic extension of Prolog (De Raedt, et al. in Proceedings of the 20th international joint conference on artificial intelligence, pp. 2468-2473, 2007). A ProbLog program defines a distribution over logic programs by specifying for each clause the probability that it belongs to a randomly sampled program, and these probabilities are mutually independent. The semantics of ProbLog is then defined by the success probability of a query in a randomly sampled program. This paper introduces the theory compression task for ProbLog, which consists of selecting that subset of clauses of a given ProbLog program that maximizes the likelihood w.r.t. a set of positive and negative examples. Experiments in the context of discovering links in real biological networks demonstrate the practical applicability of the approach.

Keywords:

probabilistic logic

inductive logic programming

theory revision

compression

network mining

biological applications

statistical relational learning

Compressing probabilistic Prolog programs

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