2063 search results - page 210 / 413 » Containment of Aggregate Queries |
141
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AINA
2006
IEEE
15 years 11 months ago
2006
IEEE
In query-based wireless sensor networks (WSNs), the system must perform data sensing and retrieval and possibly aggregate data as a response at runtime. Since a WSN is often deplo...
140
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APWEB
2004
Springer
15 years 10 months ago
2004
Springer
Queries to data warehouses often involve hundreds of complex aggregations over large volumes of data, and so it is infeasible to compute these queries by scanning the data sources ...
121
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SENSYS
2003
ACM
15 years 10 months ago
2003
ACM
Wireless sensor networks enable dense sensing of the environment, offering unprecedented opportunities for observing the physical world. Centralized data collection and analysis a...
131
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PODS
2010
ACM
15 years 10 months ago
2010
ACM
A scheme that publishes aggregate information about sensitive data must resolve the trade-off between utility to information consumers and privacy of the database participants. D...
160
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SEBD
1997
15 years 6 months ago
1997
Abstract. Multidimensional databases are large collections of data, often historical, used for sophisticated analysis oriented to decision making. This activity is supported by an ...