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» Topological Analysis of Refinement
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IANDC
2006
97views more  IANDC 2006»
14 years 11 months ago
Pure bigraphs: Structure and dynamics
Abstract Bigraphs are graphs whose nodes may be nested, representing locality, independently of the edges connecting them. They may be equipped with reaction rules, forming a bigra...
Robin Milner
SIAMMAX
2010
104views more  SIAMMAX 2010»
14 years 5 months ago
Rigorous Perturbation Bounds of Some Matrix Factorizations
This article presents rigorous normwise perturbation bounds for the Cholesky, LU and QR factorizations with normwise or componentwise perturbations in the given matrix. The conside...
Xiao-Wen Chang, Damien Stehlé
ICIP
2002
IEEE
16 years 18 days ago
Multiresolution moment filters
We define multi-scale moments that are estimated locally by analyzing the image through a sliding window at multiple scales. When the analysis window satisfies a two-scale relatio...
Michael Sühling, Michael Unser, Muthuvel Arig...
CHI
2005
ACM
15 years 11 months ago
Collective efficacy as a measure of community
As human-computer interaction increasingly focuses on mediated interactions among groups of individuals, there is a need to develop techniques for measurement and analysis of grou...
John M. Carroll, Mary Beth Rosson, Jingying Zhou
HICSS
2008
IEEE
164views Biometrics» more  HICSS 2008»
15 years 5 months ago
Scaling Consensus: Increasing Decentralization in Wikipedia Governance
How does “self-governance” happen in Wikipedia? Through in-depth interviews with eleven individuals who have held a variety of responsibilities in the English Wikipedia, we ob...
Andrea Forte, Amy Bruckman