995 search results - page 140 / 199 » Optimization of Complex Nested Queries in Relational Databas... |
134
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ADBIS
2003
Springer
15 years 5 months ago
2003
Springer
Abstract. Set-valued attributes are convenient to model complex objects occurring in the real world. Currently available database systems support the storage of set-valued attribut...
104
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ER
2007
Springer
15 years 8 months ago
2007
Springer
Processing a twig pattern query in XML document includes structural search and content search. Most existing algorithms only focus on structural search. They treat content nodes th...
136
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VLDB
2000
ACM
15 years 5 months ago
2000
ACM
Multidimensional access methods have shown high potential for significant performance improvements in various application domains. However, only few approaches have made their way...
229
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ICDE
2004
IEEE
16 years 3 months ago
2004
IEEE
Twig queries represent the building blocks of declarative query languages over XML data. A twig query describes a complex traversal of the document graph and generates a set of el...
136
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MDM
2009
Springer
15 years 8 months ago
2009
Springer
— This work aims at minimize the cost of answering snapshot multi-predicate queries in high-communication-cost networks. High-communication-cost (HCC) networks is a family of net...