132 search results - page 13 / 27 » Optimal approximations of the frequency moments of data stre... |
ICDCS
2005
IEEE
15 years 6 months ago
2005
IEEE
Stream processing has become increasingly important with emergence of stream applications such as audio/video surveillance, stock price tracing, and sensor data analysis. A challe...
187
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SIGMOD
2006
ACM
16 years 1 months ago
2006
ACM
We introduce a method to discover optimal local patterns, which concisely describe the main trends in a time series. Our approach examines the time series at multiple time scales ...
ESA
2003
Springer
15 years 6 months ago
2003
Springer
In this paper we propose algorithms for solving a variety of geometric optimization problems on a stream of points in R2 or R3 . These problems include various extent measures (e.g...
123
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WIOPT
2006
IEEE
15 years 7 months ago
2006
IEEE
We consider the problem of optimizing the number of replicas for event information in wireless sensor networks, when queries are disseminated using expanding rings. We obtain clos...
128
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PODS
2004
ACM
16 years 1 months ago
2004
ACM
Geometric coordinates are an integral part of many data streams. Examples include sensor locations in environmental monitoring, vehicle locations in traffic monitoring or battlefi...