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» On the Complexity of Exclusion Algorithms for Optimization
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TEC
2010
203views more  TEC 2010»
14 years 8 months ago
Niching Without Niching Parameters: Particle Swarm Optimization Using a Ring Topology
Niching is an important technique for multimodal optimization. Most existing niching methods require specification of certain niching parameters in order to perform well. These nic...
Xiaodong Li
STOC
2004
ACM
150views Algorithms» more  STOC 2004»
16 years 1 months ago
Typical properties of winners and losers in discrete optimization
We present a probabilistic analysis for a large class of combinatorial optimization problems containing, e.g., all binary optimization problems defined by linear constraints and a...
René Beier, Berthold Vöcking
VLDB
1997
ACM
140views Database» more  VLDB 1997»
15 years 5 months ago
Parallel Query Scheduling and Optimization with Time- and Space-Shared Resources
Scheduling query execution plans is a particularly complex problem in hierarchical parallel systems, where each site consists of a collection of local time-shared (e.g., CPU(s) or...
Minos N. Garofalakis, Yannis E. Ioannidis
IJCV
2002
129views more  IJCV 2002»
15 years 1 months ago
A Hierarchical Symmetric Stereo Algorithm Using Dynamic Programming
In this paper, a new hierarchical stereo algorithm is presented. The algorithm matches individual pixels in corresponding scanlines by minimizing a cost function. Several cost fun...
G. Van Meerbergen, Maarten Vergauwen, Marc Pollefe...
AAAI
2006
15 years 2 months ago
A Direct Evolutionary Feature Extraction Algorithm for Classifying High Dimensional Data
Among various feature extraction algorithms, those based on genetic algorithms are promising owing to their potential parallelizability and possible applications in large scale an...
Qijun Zhao, David Zhang, Hongtao Lu