@inproceedings{conf/pods/EiterG93,
  title = "Complexity Aspects of Various Semantics for Disjunctive Databases",
  author = "Thomas Eiter and Georg Gottlob",
  year = "1993",
  booktitle = "{Proceedings of the Twelfth ACM SIGACT-SIGMOD-SIGART Symposium on Principles of Database Systems, May 25-28, 1993, Washington, DC}",
  isbn = "0-89791-593-3",
  pages = "158-167",
  publisher = "ACM Press",
  url = "http://www.informatik.uni-trier.de/~ley/db/conf/pods/EiterG93.html",
  doi = "10.1145/153850.153864",
}