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ICASSP
2010
IEEE
14 years 10 months ago
Sparsity-cognizant overlapping co-clustering for behavior inference in social networks
Co-clustering can be viewed as a two-way (bilinear) factorization of a large data matrix into dense/uniform and possibly overlapping submatrix factors (co-clusters). This combinat...
Hao Zhu, Gonzalo Mateos, Georgios B. Giannakis, Ni...
ICASSP
2010
IEEE
14 years 10 months ago
Kronecker product matrices for compressive sensing
Compressive sensing (CS) is an emerging approach for acquisition of signals having a sparse or compressible representation in some basis. While CS literature has mostly focused on...
Marco F. Duarte, Richard G. Baraniuk
AAI
2008
101views more  AAI 2008»
14 years 10 months ago
A Replanning Algorithm for Decision Theoretic Hierarchical Planning: Principles and Empirical Evaluation
In this paper, we present a replanning algorithm for a decision-theoretic hierarchical planner, illustrate the experimental methodology we designed to investigate its performance,...
Guido Boella, Rossana Damiano
ALIFE
2008
14 years 10 months ago
Criteria for Conceptual and Operational Notions of Complexity
While complex systems have been studied now for more than two decades, there still is no agreement on what complexity actually is. This lack of a definition might be a problem when...
Dominique Chu
CORR
2010
Springer
73views Education» more  CORR 2010»
14 years 10 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