Geographic web search engines allow users to constrain and order search results in an intuitive manner by focusing a query on a particular geographic region. Geographic search tec...
In this paper we study the following problem. Given a database and a set of queries, we want to find, in advance, a set of views that can compute the answers to the queries, such ...
In this paper we study the problem of mining all frequent queries in a given database table, a problem known to be intractable even for conjunctive queries. We restrict our attent...
A form-based query interface is usually the preferred means to provide an unsophisticated user access to a database. Not only is such an interface easy to use, requiring no techni...
We present the application of customized code generation to database query evaluation. The idea is to use a collection of highly efficient code templates and dynamically instantiat...