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ICONFERENCE
2011
14 years 11 months ago
Finding social roles in Wikipedia
: The concept of "social role" has long been used in social science describe the intersection of behavioral, meaningful, and structural attributes that emerge regularly i...
Howard T. Welser, Dan Cosley, Gueorgi Kossinets, A...
SAC
2011
ACM
14 years 11 months ago
Non parametric estimation of the structural expectation of a stochastic increasing function
This article introduces a non parametric warping model for functional data. When the outcome of an experiment is a sample of curves, data can be seen as realizations of a stochast...
J.-F. Dupuy, J.-M. Loubes, E. Maza
JMLR
2010
155views more  JMLR 2010»
14 years 11 months ago
Structured Sparse Principal Component Analysis
We present an extension of sparse PCA, or sparse dictionary learning, where the sparsity patterns of all dictionary elements are structured and constrained to belong to a prespeci...
Rodolphe Jenatton, Guillaume Obozinski, Francis Ba...
CVPR
2011
IEEE
14 years 8 months ago
Multiscale Geometric and Spectral Analysis of Plane Arrangements
Modeling data by multiple low-dimensional planes is an important problem in many applications such as computer vision and pattern recognition. In the most general setting where on...
Guangliang Chen, Mauro Maggioni
ICASSP
2011
IEEE
14 years 8 months ago
Whole word discriminative point process models
This paper introduces a discriminative extension to whole-word point process modeling techniques. Meant to circumvent the strong independence assumptions of their generative prede...
Aren Jansen