@inproceedings{ISWC2014tractability,
  title = "Pushing the Boundaries of Tractable Ontology Reasoning",
  author = "David Carral and Cristina Feier and Bernardo Cuenca Grau and Pascal Hitzler and Ian Horrocks",
  year = "2014",
  booktitle = "Proceedings of the 13th International Semantic Web Conference (ISWC)",
}