@inproceedings{467,
  author = {David Toman and Grant Wedell},
  title = {Projective Beth Definability and Craig Interpolation for Relational Query Optimization (Material to Accompany Invited Talk)},
  year = {2021},
  journal = {Projective Beth Definability and Craig Interpolation for Relational Query Optimization (Material to Accompany Invited Talk)},
  url = {http://ceur-ws.org/Vol-3009/invited1.pdf},
}