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» Perspectives and Complex Aggregates
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PODS
2005
ACM
151views Database» more  PODS 2005»
16 years 4 months ago
Estimating arbitrary subset sums with few probes
Suppose we have a large table T of items i, each with a weight wi, e.g., people and their salary. In a general preprocessing step for estimating arbitrary subset sums, we assign e...
Noga Alon, Nick G. Duffield, Carsten Lund, Mikkel ...
EDBT
2006
ACM
143views Database» more  EDBT 2006»
16 years 4 months ago
XG: A Grid-Enabled Query Processing Engine
In [12] we introduce a novel architecture for data processing, based on a functional fusion between a data and a computation layer. In this demo we show how this architecture is le...
Radu Sion, Ramesh Natarajan, Inderpal Narang, Thom...
ICDE
2010
IEEE
273views Database» more  ICDE 2010»
16 years 3 months ago
WikiAnalytics: Ad-hoc Querying of Highly Heterogeneous Structured Data
Searching and extracting meaningful information out of highly heterogeneous datasets is a hot topic that received a lot of attention. However, the existing solutions are based on e...
Andrey Balmin, Emiran Curtmola
MOBIHOC
2008
ACM
16 years 3 months ago
Rendezvous design algorithms for wireless sensor networks with a mobile base station
Recent research shows that significant energy saving can be achieved in wireless sensor networks with a mobile base station that collects data from sensor nodes via short-range co...
Guoliang Xing, Tian Wang, Weijia Jia, Minming Li
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EUROSYS
2007
ACM
16 years 1 months ago
Macroprogramming heterogeneous sensor networks using cosmos
In this paper, we present COSMOS, a novel architecture for macroprogramming heterogeneous sensor network systems. Macroprogramming entails aggregate system behavior specification...
Asad Awan, Suresh Jagannathan, Ananth Grama