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PKDD
2010
Springer
160views Data Mining» more  PKDD 2010»
15 years 3 months ago
Sparse Unsupervised Dimensionality Reduction Algorithms
Abstract. Principal component analysis (PCA) and its dual—principal coordinate analysis (PCO)—are widely applied to unsupervised dimensionality reduction. In this paper, we sho...
Wenjun Dou, Guang Dai, Congfu Xu, Zhihua Zhang
TVCG
2010
143views more  TVCG 2010»
15 years 3 months ago
Meshless Helmholtz-Hodge Decomposition
Vector fields analysis traditionally distinguishes conservative (curl-free) from mass preserving (divergence-free) components. The Helmholtz-Hodge decomposition allows separating ...
Fabiano Petronetto, Afonso Paiva, Marcos Lage, Geo...
TAP
2010
Springer
145views Hardware» more  TAP 2010»
15 years 3 months ago
Myths in Software Engineering: From the Other Side
An important component of Empirical Software Engineering (ESE) research involves the measurement, observation, analysis and understanding of software engineering in practice. Resul...
Nachiappan Nagappan
IMCSIT
2010
15 years 2 months ago
Generation of First-Order Expressions from a Broad Coverage HPSG Grammar
This paper describes an application for computing first-order semantic representations of English texts. It is based on a combination of hybrid shallow-deep components arranged wit...
Ravi Coote, Andreas Wotzlaw
JMIV
2011
135views more  JMIV 2011»
15 years 2 days ago
Periodic Plus Smooth Image Decomposition
When the Discrete Fourier Transform of an image is computed, the image is implicitly assumed to be periodic. Since there is no reason for opposite borders to be alike, the “peri...
Lionel Moisan