A Default Logic Patch for Default Logic. - Philippe Besnard; Éric Grégoire; Sébastien Ramon (ECSQARU, 2009)

Enforcing Logically Weaker Knowledge in Classical Logic. - Philippe Besnard; Éric Grégoire; Sébastien Ramon (KSEM, 2011)

Preemption Operators. - Philippe Besnard; Éric Grégoire; Sébastien Ramon (ECAI, 2012)

Logic-based fusion of legal knowledge. - Philippe Besnard; Éric Grégoire; Sébastien Ramon (FUSION, 2012)

Disabling Subsumptions in a Logic-Based Component. - Éric Grégoire; Sébastien Ramon (SEKE, 2012)

Overriding subsuming rules. - Philippe Besnard; Éric Grégoire; Sébastien Ramon (Int. J. Approx. Reason., 2013)