@inproceedings{amarilli2017top,
  title={\href{https://pierre.senellart.com/publications/amarilli2017top.pdf}{Top-k Queries on Unknown Values under Order Constraints}},
  author={Antoine Amarilli and Yael Amsterdamer and Tova Milo and Pierre Senellart},
  booktitle={Proc.\ {ICDT}},
  address={Venice, Italy},
  pages={5:1--5:18},
  month=mar,
  year={2017},
}