@article{queryexpressibilityandverificationin,
  title = {Query Expressibility and Verification in Ontology-Based Data Access},
  author = {Carsten Lutz and Johannes Marti and Leif Sabellek},
  year = {2020},
  eprint = {2011.09176},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2011.09176v1},
}