204 search results - page 2 / 41 » Sketching Sampled Data Streams |
CPM
2007
Springer
14 years 1 months ago
2007
Springer
We address the problem of sketching the hamming distance of data streams. We present a new notion of sketching technique, Fixable sketches and we show that using such sketch not o...
APPROX
2011
Springer
12 years 7 months ago
2011
Springer
We consider the problem of identifying periodic trends in data streams. We say a signal a ∈ Rn is p-periodic if ai = ai+p for all i ∈ [n − p]. Recently, Erg¨un et al. [4] pr...
ICDE
2007
IEEE
14 years 1 months ago
2007
IEEE
We consider the problem of semantic load shedding for continuous queries containing window joins on multiple data streams and propose a robust approach that is effective with the ...
SIGMOD
2007
ACM
14 years 7 months ago
2007
ACM
AINA
2007
IEEE
14 years 1 months ago
2007
IEEE
Abstract— A wireless sensor network (WSN) is energy constrained, and the extension of its lifetime is one of the most important issues in its design. Usually, a WSN collects a la...