Sciweavers

552 search results - page 71 / 111
» Direct Optimization of Ranking Measures
Sort
View
197
Voted
NECO
2011
14 years 7 months ago
Least-Squares Independent Component Analysis
Accurately evaluating statistical independence among random variables is a key element of Independent Component Analysis (ICA). In this paper, we employ a squared-loss variant of ...
Taiji Suzuki, Masashi Sugiyama
82
Voted
EMO
2001
Springer
71views Optimization» more  EMO 2001»
15 years 5 months ago
Inferential Performance Assessment of Stochastic Optimisers and the Attainment Function
Abstract The performance of stochastic optimisers can be assessed experimentally on given problems by performing multiple optimisation runs, and analysing the results. Since an opt...
Viviane Grunert da Fonseca, Carlos M. Fonseca, And...
CSDA
2007
99views more  CSDA 2007»
15 years 14 days ago
CLUES: A non-parametric clustering method based on local shrinking
In this paper, we propose a novel non-parametric clustering method based on non-parametric local shrinking. Each data point is transformed in such a way that it moves a specific ...
Xiaogang Wang, Weiliang Qiu, Ruben H. Zamar
ICIP
2003
IEEE
16 years 2 months ago
Feature selection for unsupervised discovery of statistical temporal structures in video
We present algorithms for automatic feature selection for unsupervised structure discovery from video sequences. Feature selection in this scenario is hard because of the absence ...
Lexing Xie, Shih-Fu Chang, Ajay Divakaran, Huifang...
113
Voted
WWW
2007
ACM
16 years 1 months ago
Spam double-funnel: connecting web spammers with advertisers
Spammers use questionable search engine optimization (SEO) techniques to promote their spam links into top search results. In this paper, we focus on one prevalent type of spam ? ...
Yi-Min Wang, Ming Ma, Yuan Niu, Hao Chen