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AAAI
2007
15 years 4 days ago
Learning Graphical Model Structure Using L1-Regularization Paths
Sparsity-promoting L1-regularization has recently been succesfully used to learn the structure of undirected graphical models. In this paper, we apply this technique to learn the ...
Mark W. Schmidt, Alexandru Niculescu-Mizil, Kevin ...
BIRD
2008
Springer
158views Bioinformatics» more  BIRD 2008»
14 years 11 months ago
A Computational Method for Reconstructing Gapless Metabolic Networks
Abstract. We propose a computational method for reconstructing metabolic networks. The method utilizes optimization techniques and graph traversal algorithms to discover a set of b...
Esa Pitkänen, Ari Rantanen, Juho Rousu, Esko ...
CCS
2008
ACM
14 years 11 months ago
Revocation games in ephemeral networks
A frequently proposed solution to node misbehavior in mobile ad hoc networks is to use reputation systems. But in ephemeral networks - a new breed of mobile networks where contact...
Maxim Raya, Mohammad Hossein Manshaei, Márk...
DAC
2005
ACM
14 years 11 months ago
Total power reduction in CMOS circuits via gate sizing and multiple threshold voltages
Minimizing power consumption is one of the most important objectives in IC design. Resizing gates and assigning different Vt’s are common ways to meet power and timing budgets. ...
Feng Gao, John P. Hayes
DEXA
2008
Springer
123views Database» more  DEXA 2008»
14 years 11 months ago
Evolutionary Clustering in Description Logics: Controlling Concept Formation and Drift in Ontologies
Abstract. We present a method based on clustering techniques to detect concept drift or novelty in a knowledge base expressed in Description Logics. The method exploits an effectiv...
Nicola Fanizzi, Claudia d'Amato, Floriana Esposito