@Inproceedings{EPTCS299.4,
  author    = {De Angelis, Emanuele and Fioravanti, Fabio and Pettorossi, Alberto and Proietti, Maurizio},
  year      = {2019},
  title     = {Lemma Generation for Horn Clause Satisfiability: A Preliminary Study},
  editor    = {Lisitsa, Alexei and Nemytykh, Andrei},
  booktitle = {{\rm Proceedings Seventh International Workshop on}
               Verification and Program Transformation,
               {\rm Genova, Italy, 2nd April 2019}},
  series    = {Electronic Proceedings in Theoretical Computer Science},
  volume    = {299},
  publisher = {Open Publishing Association},
  pages     = {4-18},
  doi       = {10.4204/EPTCS.299.4},
}