@misc{amarilli2017possible_extended,
  title={\href{https://pierre.senellart.com/publications/amarilli2017possible_extended.pdf}{Possible and Certain Answers for Queries over Order-Incomplete Data}},
  author={Antoine Amarilli and M. Lamine Ba and Daniel Deutch and Pierre Senellart},
  month=jan,
  year={2018},
  note={{CoRR abs/1707.07222v2}},
}