@article{onthenonefficientpaclearnabilityof,
  title = {On the non-efficient PAC learnability of conjunctive queries},
  author = {Balder ten Cate and Maurice Funk and Jean Christoph Jung and Carsten Lutz},
  year = {2022},
  eprint = {2208.10255},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2208.10255v2},
}