995 search results - page 63 / 199 » Optimization of Complex Nested Queries in Relational Databas... |
213
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SIGMOD
2007
ACM
16 years 2 months ago
2007
ACM
A lot of research has been conducted by the database community on methods and techniques for efficient XPath processing, with great success. Despite the progress made, significant...
121
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ICDE
2005
IEEE
15 years 7 months ago
2005
IEEE
Abstract— Distributed stream-based applications, such as continuous query systems, have network scale and time characteristics that challenge traditional distributed query optimi...
ICDE
2010
IEEE
15 years 7 months ago
2010
IEEE
— Research on query optimization has traditionally focused on exhaustive enumeration of an exponential number of candidate plans. Alternatively, heuristics for query optimization...
VLDB
1999
ACM
15 years 6 months ago
1999
ACM
When implementing persistent objects on a relational database, a major performance issue is prefetching data to minimize the number of roundtrips to the database. This is especial...
127
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SIGMOD
1999
ACM
15 years 6 months ago
1999
ACM
We address the problem of query rewriting for TSL, a language for querying semistructured data. We develop and present an algorithm that, given a semistructured query q and a set ...