3225 search results - page 222 / 645 » Query Optimization by Stored Queries |
132
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IPPS
2008
IEEE
15 years 11 months ago
2008
IEEE
—Hybrid P2P systems rely on the assumption that sufficient objects exist nearby in order to make the unstructured search component efficient. This availability depends on the o...
154
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SIGMOD
2004
ACM
16 years 5 months ago
2004
ACM
Cardinality estimation during query optimization relies on simplifying assumptions that usually do not hold in practice. To diminish the impact of inaccurate estimates during opti...
143
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ICDE
2010
IEEE
16 years 4 months ago
2010
IEEE
A fundamental problem in XML query processing is tree pattern query (TPQ) matching which computes all data instances in an XML database that match an input TPQ. There is a lot of r...
141
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SSDBM
2008
IEEE
15 years 11 months ago
2008
IEEE
Applications requiring the handling of uncertain data have led to the development of database management systems extending the scope of relational databases to include uncertain (p...
138
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SIGMOD
1999
ACM
15 years 9 months ago
1999
ACM
We explore the execution of queries with client-site userdefined functions (UDFs). Many UDFs can only be executed at the client site, for reasons of scalability, security, confide...