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ICML
2008
IEEE
16 years 7 months ago
Expectation-maximization for sparse and non-negative PCA
We study the problem of finding the dominant eigenvector of the sample covariance matrix, under additional constraints on the vector: a cardinality constraint limits the number of...
Christian D. Sigg, Joachim M. Buhmann
CDC
2008
IEEE
171views Control Systems» more  CDC 2008»
16 years 1 months ago
Constrained optimal control theory for differential linear repetitive processes
Abstract. Differential repetitive processes are a distinct class of continuous-discrete twodimensional linear systems of both systems theoretic and applications interest. These pr...
Michael Dymkov, Eric Rogers, Siarhei Dymkou, Krzys...
DATE
2008
IEEE
117views Hardware» more  DATE 2008»
16 years 1 months ago
A Scalable Algorithmic Framework for Row-Based Power-Gating
Leakage power is a serious concern in nanometer CMOS technologies. In this paper we focus on leakage reduction through automatic insertion of sleep transistors for power gating in...
Ashoka Visweswara Sathanur, Antonio Pullini, Luca ...
ICC
2008
IEEE
117views Communications» more  ICC 2008»
16 years 1 months ago
Cognitive Radio with Secondary Packet-By-Packet Vertical Handover
– According to the commons model of cognitive radio, the activity of secondary (unlicensed) nodes is required to guarantee quality-of-service (QoS) constraints on the transmissio...
Jonathan Gambini, Osvaldo Simeone, Umberto Spagnol...
ICDM
2008
IEEE
147views Data Mining» more  ICDM 2008»
16 years 1 months ago
Clustering Documents with Active Learning Using Wikipedia
Wikipedia has been applied as a background knowledge base to various text mining problems, but very few attempts have been made to utilize it for document clustering. In this pape...
Anna Huang, David N. Milne, Eibe Frank, Ian H. Wit...