PODS 2005 : Baltimore, Maryland, June 13-15, 2005 Association for Computing Machinery, Association for ... 10 98 by providing the price of Audi S4 97 (which according to the data given by source 2 is equal to the base price of BMW M3 98) . ... This poses a problem, since even if we picked one of the infinitely many schemas for alt;Sa#39;, wea#39;d still be left with an ... A common scenario requiring exact rewriting under the closed world assumption is that of rewriting using materialized views.
|Title||:||Proceedings of the Twenty-Fourth ACM SIGMOD-SIGACT-SIGART Symposium on Principles of Database Systems|
|Author||:||Association for Computing Machinery, Association for Computing Machinery. Special Interest Group on Management of Data|