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JMLR
2012
13 years 7 months ago
Exact Covariance Thresholding into Connected Components for Large-Scale Graphical Lasso
We consider the sparse inverse covariance regularization problem or graphical lasso with regularization parameter λ. Suppose the sample covariance graph formed by thresholding th...
Rahul Mazumder, Trevor Hastie
SDM
2009
SIAM
251views Data Mining» more  SDM 2009»
16 years 1 months ago
High Performance Parallel/Distributed Biclustering Using Barycenter Heuristic.
Biclustering refers to simultaneous clustering of objects and their features. Use of biclustering is gaining momentum in areas such as text mining, gene expression analysis and co...
Alok N. Choudhary, Arifa Nisar, Waseem Ahmad, Wei-...
124
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INFOCOM
2000
IEEE
15 years 9 months ago
Layered Multicast Recovery
We study the problem of localizing repair packets when packets are lost. When repair packets are multicasted, a highly lossy receiver may swamp the entire multicast “group” wi...
Injong Rhee, Srinath R. Joshi, Minsuk Lee, S. Muth...
INFOCOM
2003
IEEE
15 years 10 months ago
Distributed Network Monitoring with Bounded Link Utilization in IP Networks
— Designing optimal measurement infrastructure is a key step for network management. In this work we address the problem of optimizing a scalable distributed polling system. The ...
Erran L. Li, Marina Thottan, Bin Yao, Sanjoy Paul
SEMWEB
2004
Springer
15 years 10 months ago
GridVine: Building Internet-Scale Semantic Overlay Networks
Abstract. This paper addresses the problem of building scalable semantic overlay networks. Our approach follows the principle of data independence by separating a logical layer, th...
Karl Aberer, Philippe Cudré-Mauroux, Manfre...