549 search results - page 37 / 110 » Data Expiration and Aggregate Queries |
121
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MOBIDE
2003
ACM
15 years 7 months ago
2003
ACM
This paper presents TiNA, a scheme for minimizing energy consumption in sensor networks by exploiting end-user tolerance to temporal coherency. TiNA utilizes temporal coherency to...
CCGRID
2002
IEEE
15 years 7 months ago
2002
IEEE
This paper is concerned with the efficient execution of multiple query workloads on a cluster of SMPs. We target applications that access and manipulate large scientific dataset...
195
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VLDB
2009
ACM
16 years 2 months ago
2009
ACM
For a largenumber of data management problems, it would be very useful to be able to obtain a few samples from a data set, and to use the samples to guess the largest (or smallest)...
123
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TKDE
2008
15 years 1 months ago
2008
The importance of query processing over uncertain data has recently arisen due to its wide usage in many real-world applications. In the context of uncertain databases, previous wo...
137
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ICDE
2011
IEEE
14 years 5 months ago
2011
IEEE
—Complex SQL queries are widely used today, but it is rather difficult to check if a complex query has been written correctly. Formal verification based on comparing a specifi...