@proceedings{<a href="http://dblp.uni-trier.de/db/about/bibtex.html">DBLP</a>:conf/ijcai/2011,
  title = "IJCAI 2011, Proceedings of the 22nd International Joint Conference on Artificial Intelligence, Barcelona, Catalonia, Spain, July 16-22, 2011",
  year = "2011",
  booktitle = "IJCAI",
  editor = "Toby Walsh",
  isbn = "978-1-57735-516-8",
  publisher = "IJCAI/AAAI",
}