549 search results - page 32 / 110 » Data Expiration and Aggregate Queries |
SIGMOD
1998
ACM
15 years 4 months ago
1998
ACM
The Relational On-Line Analytical Processing (ROLAP) is emerging as thedominant approach in data warehousing with decision support applications. In order to enhance query performa...
174
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VLDB
2004
ACM
16 years 22 hour ago
2004
ACM
In-network aggregation has been proposed as one method for reducing energy consumption in sensor networks. In this paper, we explore two ideas related to further reducing energy co...
135
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IPSN
2007
Springer
15 years 6 months ago
2007
Springer
We study the problem of aggregating data from a sparse set of nodes in a wireless sensor network. This is a common situation when a sensor network is deployed to detect relatively...
104
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HICSS
2010
IEEE
15 years 6 months ago
2010
IEEE
The disparity between data collected in rural and urban counties is often detrimental in the appropriate analysis of cancer care statistics. Low counts drastically affect the inci...
111
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VLDB
2002
ACM
14 years 11 months ago
2002
ACM
With the rapid growth of XML-document traffic on the Internet, scalable content-based dissemination of XML documents to a large, dynamic group of consumers has become an important...