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» Localized empirical discriminant analysis
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ICPR
2008
IEEE
14 years 3 months ago
Harmonic mean for subspace selection
Under the homoscedastic Gaussian assumption, it has been shown that Fisher’s linear discriminant analysis (FLDA) suffers from the class separation problem when the dimensionalit...
Wei Bian, Dacheng Tao
WEBI
2007
Springer
14 years 2 months ago
Pairwise Constraints-Guided Non-negative Matrix Factorization for Document Clustering
Nonnegative Matrix Factorization (NMF) has been proven to be effective in text mining. However, since NMF is a well-known unsupervised components analysis technique, the existing ...
Yujiu Yang, Bao-Gang Hu
ICDM
2006
IEEE
193views Data Mining» more  ICDM 2006»
14 years 2 months ago
Feature Subset Selection on Multivariate Time Series with Extremely Large Spatial Features
Several spatio-temporal data collected in many applications, such as fMRI data in medical applications, can be represented as a Multivariate Time Series (MTS) matrix with m rows (...
Hyunjin Yoon, Cyrus Shahabi
BIS
2007
92views Business» more  BIS 2007»
13 years 10 months ago
A Framework for Exploring Relationships Between Online Community Characteristics and Regulation Principles
In this paper, we explore a framework for researching relationships between community characteristics and regulation principles. Different regulation principles are supported by d...
E. ten Thij, Justin de Nooijer
IQ
2007
13 years 10 months ago
When Interactive TV Meets Online Auction: A Study On Factors Affecting User Adoption
: This research has attempted to find the impact of information quality (IQ) and system quality (SQ) on users’ attitude to adopt the interactive TV based auction service. The pri...
Jaeheung Yoo, Imsook Ha, Junkyun Choi