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VLDB
2007
ACM
15 years 9 months ago
2007
ACM
Estimating the cardinality (i.e. number of distinct elements) of an arbitrary set expression defined over multiple distributed streams is one of the most fundamental queries of in...
SAINT
2008
IEEE
15 years 4 months ago
2008
IEEE
Interference ranges can dramatically affect the throughput in wireless sensor networks. While the transmission range defines the maximum physical range of a radio signal the inter...
SECON
2008
IEEE
15 years 4 months ago
2008
IEEE
Abstract—We show that signal strength variability can be reduced by employing multiple low-cost antennas at fixed locations. We further explore the impact of this reduction on w...
CEC
2007
IEEE
15 years 4 months ago
2007
IEEE
— Shared grammar evolution (SGE) is a novel scheme for representing and evolving a population of variablelength programs as a shared set of grammatical productions. Productions t...
ESA
2007
Springer
15 years 3 months ago
2007
Springer
In the single source unsplittable flow problem, commodities must be routed simultaneously from a common source vertex to certain destination vertices in a given digraph. The deman...