@inproceedings{DBLP:conf/kr/Alviano0S18,
  author = {Alviano, Mario and Romero, Javier and Schaub, Torsten},
  title = {Preference Relations by Approximation},
  booktitle = {{KR}},
  pages = {2--11},
  publisher = {{AAAI} Press},
  year = {2018}
}