Juan Carlos Nieves Ulises Cortés Mauricio Osorio Ivan Olmos Jesus A. Gonzalez Defining new argumentation-based semantics by minimal models. 210-220 2006 ENC http://dx.doi.org/10.1109/ENC.2006.10 conf/enc/2006 db/conf/enc/enc2006.html#NievesCOOG06