@misc{AlvianoRomeroDavilaSchaub2018,
  author    = {Mario Alviano and Javier Romero Davila and Torsten H. Schaub},
  title     = {Preference Relations by Approximation},
  booktitle = {Sixteenth International Conference on Principles of Knowledge Representation and Reasoning},
  institution = {Hasso-Plattner-Institut f{\"u}r Digital Engineering GmbH},
  type      = {other},
  pages     = {2 -- 11},
  year        = {2018},
}