255 search results - page 10 / 51 » Approximate Query Answering on Sensor Network Data Streams |
PODS
2006
ACM
15 years 9 months ago
2006
ACM
Skew is prevalent in data streams, and should be taken into account by algorithms that analyze the data. The problem of finding "biased quantiles"-- that is, approximate...
103
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SSDBM
2005
IEEE
15 years 3 months ago
2005
IEEE
The widespread use of sensor networks in scientific and engineering applications leads to increased demand on the efficient computation of the collected sensor data. Recent rese...
CIKM
2007
Springer
15 years 3 months ago
2007
Springer
In this work a method for detecting distance-based outliers in data streams is presented. We deal with the sliding window model, where outlier queries are performed in order to de...
91
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DEXAW
2004
IEEE
15 years 1 months ago
2004
IEEE
Database-like query processing over a network of sensors has become an attractive paradigm for building sensor applications. A sensor query is characterized by data streams among ...
103
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COMPGEOM
2004
ACM
15 years 2 months ago
2004
ACM
We present memory-efficient deterministic algorithms for constructing -nets and -approximations of streams of geometric data. Unlike probabilistic approaches, these deterministic...