3678 search results - page 332 / 736 » Personalization of Queries in Database Systems |
168
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CIDR
2007
15 years 8 months ago
2007
We propose a radical approach to relational query processing that aims at automatically and consistently achieving a good performance on any memory hierarchy. We believe this auto...
195
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EDBT
2009
ACM
15 years 10 months ago
2009
ACM
In a database system, disclosure of confidential private data may occur if users can put together the answers of past queries. Traditional access control mechanisms cannot guard a...
291
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ICDE
2009
IEEE
16 years 8 months ago
2009
IEEE
Materializing results from complex aggregation queries helps to significantly improve response times in OLAP servers. This problem is known as the view selection problem: choosing ...
267
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ICDE
2004
IEEE
16 years 8 months ago
2004
IEEE
Temporal aggregate queries retrieve summarized information about records with time-evolving attributes. Existing approaches have at least one of the following shortcomings: (i) th...
294
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SIGMOD
2006
ACM
16 years 6 months ago
2006
ACM
Monitoring extreme values (MAX or MIN) is a fundamental problem in wireless sensor networks (and in general, complex dynamic systems). This problem presents very different algorit...