2987 search results - page 408 / 598 » Multiobjective Query Optimization |
120
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SIGMOD
2010
ACM
15 years 2 months ago
2010
ACM
Histograms have been widely used for fast estimation of query result sizes in query optimization. In this paper, we propose a new histogram method, called the Skew-Tolerant Histog...
136
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EDBT
2009
ACM
14 years 11 months ago
2009
ACM
In this work, we focus on managing scientific environmental data, which are measurement readings collected from wireless sensors. In environmental science applications, raw sensor...
196
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EDBT
2011
ACM
14 years 5 months ago
2011
ACM
Equi-depth histograms represent a fundamental synopsis widely used in both database and data stream applications, as they provide the cornerstone of many techniques such as query ...
181
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ICDE
2006
IEEE
16 years 3 months ago
2006
IEEE
K-Anonymity has been proposed as a mechanism for protecting privacy in microdata publishing, and numerous recoding "models" have been considered for achieving kanonymity...
127
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VLDB
1999
ACM
15 years 6 months ago
1999
ACM
An important issue for federated systems of diverse data sources is optimizing cross-source queries, without building knowledge of individual sources into the optimizer. This pape...