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SDM
2010
SIAM
166views Data Mining» more  SDM 2010»
15 years 5 months ago
Directed Network Community Detection: A Popularity and Productivity Link Model
In this paper, we consider the problem of community detection in directed networks by using probabilistic models. Most existing probabilistic models for community detection are ei...
Tianbao Yang, Yun Chi, Shenghuo Zhu, Yihong Gong, ...
SIAMIS
2010
114views more  SIAMIS 2010»
15 years 5 months ago
Improved Total Variation-Type Regularization Using Higher Order Edge Detectors
We present a novel deconvolution approach to accurately restore piecewise smooth signals from blurred data. The first stage uses Higher Order Total Variation restorations to obtai...
Wolfgang Stefan, Rosemary A. Renaut, Anne Gelb
SIAMSC
2010
165views more  SIAMSC 2010»
15 years 5 months ago
Algebraic Multigrid for Markov Chains
Abstract. An algebraic multigrid (AMG) method is presented for the calculation of the stationary probability vector of an irreducible Markov chain. The method is based on standard ...
Hans De Sterck, Thomas A. Manteuffel, Stephen F. M...
SIAMSC
2010
141views more  SIAMSC 2010»
15 years 5 months ago
Blendenpik: Supercharging LAPACK's Least-Squares Solver
Abstract. Several innovative random-sampling and random-mixing techniques for solving problems in linear algebra have been proposed in the last decade, but they have not yet made a...
Haim Avron, Petar Maymounkov, Sivan Toledo
SIGMETRICS
2010
ACM
115views Hardware» more  SIGMETRICS 2010»
15 years 5 months ago
Fair greening for DSL broadband access
Given that broadband access networks are an integral part of the ICT infrastructure and that DSL is the most widely deployed broadband access technology, greening DSL has become i...
Paschalis Tsiaflakis, Yung Yi, Mung Chiang, Marc M...
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