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ICML
2007
IEEE
14 years 10 months ago
Full regularization path for sparse principal component analysis
Given a sample covariance matrix, we examine the problem of maximizing the variance explained by a particular linear combination of the input variables while constraining the numb...
Alexandre d'Aspremont, Francis R. Bach, Laurent El...
ICB
2007
Springer
134views Biometrics» more  ICB 2007»
14 years 3 months ago
Singular Points Analysis in Fingerprints Based on Topological Structure and Orientation Field
Abstract. As an important feature of fingerprints, singular points (includingcores and deltas) not only represent the local ridge pattern characteristics, but also determine the to...
Jie Zhou, Jinwei Gu, David Zhang
ACSC
2003
IEEE
14 years 2 months ago
Force-Transfer: A New Approach to Removing Overlapping Nodes in Graph Layout
Graphs where each node includes an amount of text are often used in applications. A typical example of such graphs is UML diagrams used in CASE tools. To make text information in ...
Xiaodi Huang, Wei Lai
PVLDB
2008
77views more  PVLDB 2008»
13 years 8 months ago
Efficient network aware search in collaborative tagging sites
The popularity of collaborative tagging sites presents a unique opportunity to explore keyword search in a context where query results are determined by the opinion of a network o...
Sihem Amer-Yahia, Michael Benedikt, Laks V. S. Lak...
CORR
2011
Springer
160views Education» more  CORR 2011»
13 years 4 months ago
When is social computation better than the sum of its parts?
good solutions to complex problems. In many examples, individuals trying to solve superior global solution. This suggests that there may be general principles of information aggre...
Vadas Gintautas, Aric A. Hagberg, Luís M. A...