@inproceedings{ijcai2026p459,
  title     = {Semifactual Explanations for GNN-based Classification: Formal Foundations, Complexity and Computation},
  author    = {Alfano, Gianvincenzo and Greco, Sergio and Mandaglio, Domenico and Parisi, Francesco and Shahbazian, Reza and Trubitsyna, Irina},
  booktitle = {Proceedings of the Thirty-Fifth International Joint Conference on
               Artificial Intelligence, {IJCAI-26}},
  publisher = {International Joint Conferences on Artificial Intelligence Organization},
  editor    = {Diego Calvanese},
  pages     = {4125--4134},
  year      = {2026},
  month     = {8},
  note      = {Main Track},
  doi       = {10.24963/ijcai.2026/459},
  url       = {https://doi.org/10.24963/ijcai.2026/459},
}