410 search results - page 30 / 82 » Optimizing Queries with Materialized Views |
WEBDB
2009
Springer
15 years 4 months ago
2009
Springer
The question whether a given set of views, defined by queries, can be used to answer another query, arises in several contexts such as query optimization, data integration and se...
HICSS
2003
IEEE
15 years 3 months ago
2003
IEEE
We apply multiple query optimization to batches of pull (on-demand) requests in a mobile database system. The resulting view can answer several queries at once, and it is broadcas...
150
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ICDE
2005
IEEE
15 years 11 months ago
2005
IEEE
The SQL queries produced in XML-to-SQL query translation are often unnecessarily complex, even for simple input XML queries. In this paper we argue that relational systems can do ...
179
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ICDE
2007
IEEE
15 years 11 months ago
2007
IEEE
This paper addresses the problem of efficient maintenance of a materialized skyline view in response to skyline removals. While there has been significant progress on skyline quer...
DKE
2002
14 years 9 months ago
2002
An important issue in data warehouse development is the selection of a set of views to materialize in order to accelerate OLAP queries, given certain space and maintenance time co...