6650 search results - page 667 / 1330 » Mutating database queries |
214
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AAAI
2007
15 years 9 months ago
2007
RDF (“Resource Description Framework”) is now a widely used World Wide Web Consortium standard. However, methods to index large volumes of RDF data are still in their infancy....
220
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INFOSCALE
2007
ACM
15 years 8 months ago
2007
ACM
Efficient multi-dimensional data search has received much attention in centralized systems. However, its implementation in large-scale distributed systems is not a trivial job and...
306
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ICDE
2006
IEEE
16 years 8 months ago
2006
IEEE
"Sparse" data, in which relations have many attributes that are null for most tuples, presents a challenge for relational database management systems. If one uses the no...
301
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SIGMOD
2008
ACM
16 years 7 months ago
2008
ACM
A statistical database (StatDB) retrieves only aggregate results, as opposed to individual tuples. This paper investigates the construction of a privacy preserving StatDB that can...
275
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SIGMOD
2007
ACM
16 years 7 months ago
2007
ACM
Accurate cardinality estimation is critically important to high-quality query optimization. It is well known that conventional cardinality estimation based on histograms or simila...