P2009

Marcelo Arenas, Pablo Barceló, Juan Reutter. Query Languages for Data Exchange: Beyond Unions of Conjunctive Queries. In Ronald Fagin (ed.), Proc. 12th International Conference on Database Theory (ICDT), pp. 73-83, Mar 2009. Saint Petersburg, Russia. ACM Press, New York, NY, USA. ACM International Conference Proceeding Series vol. 361. ISBN 978-1-60558-423-2.