== Organizing Committee == The Fourth Answer Set Programming Competition is hosted and regulated jointly by Knowledge Representation research groups at the University of Calabria (Italy) and the Vienna University of Technology (Austria). * '''Co-Chairs''': Giovambattista Ianni and Thomas Krennwallner * '''Publicity Chair''': Francesco Calimeri * '''Benchmark domains Chair''': Francesco Ricca * '''Collaborators''': Guenther Charwat, Minh Dao-Tran, Bernhard Kragl, Martin Kronegger, Johannes Oetsch, Andreas Pfandler, Jörg Pührer, Christoph Redl, Patrik Schneider, Martin Schwengerer, Lara Katharina Spendier, Johannes Peter Wallner, Guohui Xiao * '''Wiki- and Webmaster''': Patrik Schneider