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ANOR
2008
75views more  ANOR 2008»
15 years 7 months ago
Geometric decay in level-expanding QBD models
Level-expanding quasi-birth-and-death (QBD) processes have been shown to be an efficient modeling tool for studying multi-dimensional systems, especially twodimensional ones. Comp...
Liming Liu, Masakiyo Miyazawa, Yiqiang Q. Zhao
CORR
2010
Springer
73views Education» more  CORR 2010»
15 years 7 months ago
On the Impact of the Migration Topology on the Island Model
Parallel Global Optimization Algorithms (PGOA) provide an efficient way of dealing with hard optimization problems. One method of parallelization of GOAs that is frequently applie...
Marek Rucinski, Dario Izzo, Francesco Biscani
CORR
2006
Springer
127views Education» more  CORR 2006»
15 years 7 months ago
Approximating Rate-Distortion Graphs of Individual Data: Experiments in Lossy Compression and Denoising
Classical rate-distortion theory requires knowledge of an elusive source distribution. Instead, we analyze rate-distortion properties of individual objects using the recently devel...
Steven de Rooij, Paul M. B. Vitányi
CORR
2002
Springer
123views Education» more  CORR 2002»
15 years 7 months ago
Ideal decompositions and computation of tensor normal forms
Abstract. Symmetry properties of r-times covariant tensors T can be described by certain linear subspaces W of the group ring K[Sr] of a symmetric group Sr. If for a class of tenso...
Bernd Fiedler
DLOG
2010
15 years 5 months ago
Correcting Access Restrictions to a Consequence
Recent research has shown that annotations are useful for representing access restrictions to the axioms of an ontology and their implicit consequences. Previous work focused on co...
Martin Knechtel, Rafael Peñaloza