@article{solvingsetoptimizationproblemsby,
  title = {Solving Set Optimization Problems by Cardinality Optimization via Weak Constraints with an Application to Argumentation},
  author = {Wolfgang Faber and Mauro Vallati and Federico Cerutti and Massimiliano Giacomin},
  year = {2016},
  eprint = {1612.07589},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1612.07589v1},
}