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ICCS
2007
Springer
14 years 2 months ago
Reducing the Representation Complexity of Lattice-Based Taxonomies
Abstract. Representing concept lattices constructed from large contexts often results in heavy, complex diagrams that can be impractical to handle and, eventually, to make sense of...
Sergei O. Kuznetsov, Sergei A. Obiedkov, Camille R...
APLAS
2007
ACM
14 years 15 days ago
Complete Lattices and Up-To Techniques
Abstract. We propose a theory of up-to techniques for proofs by coinduction, in the setting of complete lattices. This theory improves over existing results by providing a way to c...
Damien Pous
ILP
2000
Springer
14 years 2 days ago
Searching the Subsumption Lattice by a Genetic Algorithm
A framework for combining Genetic Algorithms with ILP methods is introduced and a novel binary representation and relevant genetic operators are discussed. It is shown that the pro...
Alireza Tamaddoni-Nezhad, Stephen Muggleton
WCE
2007
13 years 9 months ago
MR Image Reconstruction from Pseudo-Hex Lattice Sampling Patterns Using Separable FFT
Abstract— Common MRI sampling patterns in kspace, such as spiral trajectories, have nonuniform density and do not lie on a rectangular grid. We propose mapping the sampled data t...
Jae-Ho Kim, Fred L. Fontaine
CORR
2008
Springer
84views Education» more  CORR 2008»
13 years 8 months ago
Message-Passing Decoding of Lattices Using Gaussian Mixtures
A belief-propagation decoder for low-density lattice codes, which represents messages explicitly as a mixture of Gaussians functions, is given. In order to prevent the mixture elem...
Brian M. Kurkoski, Justin Dauwels