96 search results - page 5 / 20 » Load Shedding for Aggregation Queries over Data Streams |
189
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ICDE
2008
IEEE
15 years 11 months ago
2008
IEEE
Abstract-- Cisco's NetFlow Collector (NFC) is a powerful example of a real-world product that supports multiple aggregate queries over a continuous stream of IP flow records. ...
VLDB
2005
ACM
15 years 3 months ago
2005
ACM
We extend the OLAP data model to represent data ambiguity, specifically imprecision and uncertainty, and introduce an allocation-based approach to the semantics of aggregation qu...
131
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ICDE
2011
IEEE
14 years 29 days ago
2011
IEEE
— In this paper, we study the problem of efficiently computing multiple aggregation queries over a data stream. In order to share computation, prior proposals have suggested ins...
174
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ICDE
2006
IEEE
15 years 11 months ago
2006
IEEE
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...
SIGMOD
2002
ACM
15 years 9 months ago
2002
ACM
Recent years have witnessed an increasing interest in designing algorithms for querying and analyzing streaming data (i.e., data that is seen only once in a fixed order) with only...