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ACL
2010
14 years 6 months ago
Detecting Experiences from Weblogs
Weblogs are a source of human activity knowledge comprising valuable information such as facts, opinions and personal experiences. In this paper, we propose a method for mining pe...
Keun-Chan Park, Yoonjae Jeong, Sung-Hyon Myaeng
CORR
2011
Springer
261views Education» more  CORR 2011»
14 years 5 months ago
Convex and Network Flow Optimization for Structured Sparsity
We consider a class of learning problems regularized by a structured sparsity-inducing norm defined as the sum of 2- or ∞-norms over groups of variables. Whereas much effort ha...
Julien Mairal, Rodolphe Jenatton, Guillaume Obozin...
TII
2011
206views Education» more  TII 2011»
14 years 5 months ago
Timing-Failure Risk Assessment of UML Design Using Time Petri Net Bound Techniques
Abstract—Software systems that do not meet their timing constraints can cause risks. In this work, we propose a comprehensive method for assessing the risk of timing failure by e...
Simona Bernardi, Javier Campos, José Merseg...
TSP
2010
14 years 4 months ago
Gaussian multiresolution models: exploiting sparse Markov and covariance structure
We consider the problem of learning Gaussian multiresolution (MR) models in which data are only available at the finest scale and the coarser, hidden variables serve both to captu...
Myung Jin Choi, Venkat Chandrasekaran, Alan S. Wil...
ICASSP
2011
IEEE
14 years 1 months ago
A novel analytical approach to orthogonal bases extraction from AM-FM signals
This paper presents a new method for extracting orthogonal bases from AM-FM signals. Since AM-FM signals are non-stationary, appropriate basis functions are sought provided that i...
Mohammadali Sebghati, Hamidreza Amindavar