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SIAMCOMP
2012
13 years 8 months ago
Tabulation-Based 5-Independent Hashing with Applications to Linear Probing and Second Moment Estimation
Abstract. In the framework of Carter and Wegman, a k-independent hash function maps any k keys independently. It is known that 5independent hashing provides good expected performan...
Mikkel Thorup, Yin Zhang
CASCON
1997
135views Education» more  CASCON 1997»
15 years 7 months ago
Automatic generation of performance models using the distributed management framework (DMF)
The purpose of the Distributed Management Framework (DMF) is to provide a layer of ion at a level convenient for management application developers. Specifically, it liberates the ...
Asham El Rayess, Jerome A. Rolia
EDBT
2012
ACM
214views Database» more  EDBT 2012»
13 years 8 months ago
An optimization framework for map-reduce queries
We present an effective optimization framework for general SQLlike map-reduce queries, which is based on a novel query algebra and uses a small number of higher-order physical ope...
Leonidas Fegaras, Chengkai Li, Upa Gupta
ICRA
2007
IEEE
149views Robotics» more  ICRA 2007»
16 years 21 days ago
Stabilization of Multiple Robots on Stable Orbits via Local Sensing
— We develop decentralized controllers for a team of disk-shaped robots to converge to and circulate along the boundary of a desired two-dimensional geometric pattern specified ...
Mong-ying A. Hsieh, Savvas G. Loizou, Vijay Kumar
ICMCS
2005
IEEE
98views Multimedia» more  ICMCS 2005»
16 years 5 hour ago
Auto cropping for digital photographs
In this paper, we propose an effective approach to the nearly untouched problem, still photograph auto cropping, which is one of the important features to automatically enhance ph...
Mingju Zhang, Lei Zhang, Yanfeng Sun, Lin Feng, We...