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» Data Expiration and Aggregate Queries

174

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ICDE
2006
IEEE

144views Database» more ICDE 2006»

Approximately Processing Multi-granularity Aggregate Queries over Data Streams

15 years 11 months ago

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Aggregate monitoring over data streams is attracting more and more attention in research community due to its broad potential applications. Existing methods suffer two problems, 1...

Shouke Qin, Weining Qian, Aoying Zhou

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WWW
2005
ACM

211views Internet Technology» more WWW 2005»

Executing incoherency bounded continuous queries at web data aggregators

15 years 10 months ago

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Continuous queries are used to monitor changes to time varying data and to provide results useful for online decision making. Typically a user desires to obtain the value of some ...

Rajeev Gupta, Ashish Puri, Krithi Ramamritham

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BDA
2007

111views Knowledge Management» more BDA 2007»

Querying and Aggregating Visible and Hidden Data Without Leaks

14 years 11 months ago

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Imagine that you have been entrusted with private data, such as corporate product information, sensitive government information, or symptom and treatment information about hospita...

Nicolas Anciaux, Mehdi Benzine, Luc Bouganim, Phil...

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ER
2001
Springer

85views Database» more ER 2001»

Efficient Execution of Range-Aggregate Queries in Data Warehouse Environments

15 years 2 months ago