Introducing possibilistic logic in ILP for dealing with exceptions.

Mathieu Serrurier Henri Prade Introducing possibilistic logic in ILP for dealing with exceptions. 939-950 2007 171 Artif. Intell. 16-17 http://dx.doi.org/10.1016/j.artint.2007.04.016 db/journals/ai/ai171.html#SerrurierP07