@inproceedings{ijcai2007p46,
  title     = {A Logical Framework for Modularity of Ontologies},
  author    = {Grau, Bernardo Cuenca and Horrocks, Ian and Kazakov, Yevgeny and Sattler, Ulrike},
  booktitle = {Proceedings of the Twentieth International Joint Conference on
               Artificial Intelligence, {IJCAI-07}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Ramon López de Mántaras},
  pages     = {298--302},
  year      = {2007},
  url       = {https://ijcai.org/proceedings/2007/46},
}