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Finding equivalent rewritings in the presence of arithmetic comparisons
(2006)
The problem of rewriting queries using views has received significant attention because of its applications in a wide variety of data-management problems. For select-project-join SQL (a.k.a. conjunctive) queries and views, ...
View selection for real conjunctive queries
(2007)
Given a query workload, a database and a set of constraints, the view-selection
problem is to select views to materialize so that the constraints are satisfied and the views
can be used to compute the queries in the workload ...
Designing views to efficiently answer real SQL queries
(2005)
The problem of optimizing queries in the presence of materialized views and the related view-design problem have recently attracted a lot of attention. Significant research results have been reported, and materialized views ...
On rewriting Xpath Queries Using Views
(2009)
The problem of rewriting a query using a materialized view is studied for a well known fragment of XPath that includes the following three constructs: wildcards, descendant edges and branches. In earlier work, determining ...