995 search results - page 74 / 199 » Optimization of Complex Nested Queries in Relational Databas... |
117
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ICDE
2006
IEEE
15 years 8 months ago
2006
IEEE
XML structural joins, which evaluate the containment (ancestor-descendant) relationships between XML elements, are important operations of XML query processing. Estimating structu...
107
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SIGMOD
2004
ACM
16 years 2 months ago
2004
ACM
Ranking is an important property that needs to be fully supported by current relational query engines. Recently, several rank-join query operators have been proposed based on rank...
123
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ICDE
2010
IEEE
15 years 6 months ago
2010
IEEE
— When a database system is extended with the skyline operator, it is important to determine the most efficient way to execute a skyline query across tables with join operations...
143
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CLEF
2004
Springer
15 years 7 months ago
2004
Springer
Abstract. Recent research has suggested that there is no general similarity measure, which can be applied on arbitrary databases without any parameterization. Hence, the optimal co...
188
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VLDB
2007
ACM
16 years 2 months ago
2007
ACM
Life science laboratories today have to rely on procedural techniques to store and manage large sequence datasets. Procedural techniques are cumbersome to use and are often very i...