@inproceedings{Yujiao-DL-2014,
  title = "Pay-as-you-go Ontology Query Answering Using a Datalog Reasoner",
  author = "Yujiao Zhou and Yavor Nenov and Bernardo Cuenca Grau and Ian Horrocks",
  year = "2014",
  booktitle = "Proceedings of the 27th International Workshop on Description Logics (DL)",
}