@article{learningoptimalandnearoptimal,
  title = {Learning Optimal and Near-Optimal Lexicographic Preference Lists},
  author = {Ahmed Moussa and Xudong Liu},
  year = {2019},
  eprint = {1909.09072},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1909.09072v1},
}