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ALGORITHMICA
2011
14 years 9 months ago
Crossing Numbers of Graphs with Rotation Systems
We show that computing the crossing number and the odd crossing number of a graph with a given rotation system is NP-complete. As a consequence we can show that many of the well-k...
Michael J. Pelsmajer, Marcus Schaefer, Daniel Stef...
JAISE
2010
111views Algorithms» more  JAISE 2010»
14 years 9 months ago
The missing ones: Key ingredients towards effective ambient assisted living systems
The population of elderly people keeps increasing rapidly in the past decades, which becomes a predominant aspect of our societies. As such, solutions both efficacious and cost-eff...
Hong Sun, Vincenzo De Florio, Ning Gui, Chris Blon...
111
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ICASSP
2011
IEEE
14 years 6 months ago
Fast estimation of the state of the power grid using synchronized phasor measurements
—Both the communication limitation and the measurement properties based algorithm become the bottleneck of enhancing the traditional power system state estimation speed. The avai...
Tao Yang, Anjan Bose
PERVASIVE
2011
Springer
14 years 5 months ago
Disaggregated End-Use Energy Sensing for the Smart Grid
Most utility installed energy meters are primarily intended to support a utility's billing function. They report only the aggregate energy consumption of a home or business o...
Jon Froehlich, Eric Larson, Sidhant Gupta, Gabe Co...
SIGMOD
2011
ACM
179views Database» more  SIGMOD 2011»
14 years 5 months ago
How soccer players would do stream joins
In spite of the omnipresence of parallel (multi-core) systems, the predominant strategy to evaluate window-based stream joins is still strictly sequential, mostly just straightfor...
Jens Teubner, René Müller