Papers in proceedings

• Marco Alberti, Ana Sofia Gomes, R. Gonçalves, Matthias Knorr, João Alexandre Leite and Martin Slota, Normative systems require hybrid knowledge bases, International Conference on Autonomous Agents and Multiagent Systems, AAMAS 2012, Valencia, Spain, June 4-8, 2012, IFAAMAS, Pag. 1425-1426, (url), 2012.