3268 search results - page 346 / 654 » Database Technologies for RDF |
252
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SIGMOD
2007
ACM
16 years 6 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...
289
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SIGMOD
2007
ACM
16 years 6 months ago
2007
ACM
Data availability, collection and storage have increased dramatically in recent years, raising new technological and algorithmic challenges for database design and data management...
274
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SIGMOD
2006
ACM
16 years 6 months ago
2006
ACM
Rapid advancements in positioning systems and wireless communications enable accurate tracking of continuously moving objects. This development poses new challenges to database te...
158
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EDBT
2008
ACM
16 years 6 months ago
2008
ACM
Several Web sites deliver a large number of pages, each publishing data about one instance of some real world entity, such as an athlete, a stock quote, a book. Even though it is ...
168
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ICEIS
2009
IEEE
16 years 1 months ago
2009
IEEE
One of the most difficult tasks in the design of information systems is how to control the behaviour of the back-end storage engine, usually a relational database. As the load on t...