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SQJ
2008
116views more  SQJ 2008»
15 years 4 months ago
E-commerce system quality assessment using a model based on ISO 9126 and Belief Networks
: As business transitions into the new economy, e-system successful use has become a strategic goal. Especially in business to consumer (e-commerce) applications, users highly eval...
Antonia Stefani, Michalis Nik Xenos
SIGMOD
2006
ACM
149views Database» more  SIGMOD 2006»
16 years 4 months ago
Efficient query processing on unstructured tetrahedral meshes
Modern scientific applications consume massive volumes of data produced by computer simulations. Such applications require new data management capabilities in order to scale to te...
Stratos Papadomanolakis, Anastassia Ailamaki, Juli...
CORR
2008
Springer
107views Education» more  CORR 2008»
15 years 4 months ago
A Spectral Algorithm for Learning Hidden Markov Models
Hidden Markov Models (HMMs) are one of the most fundamental and widely used statistical tools for modeling discrete time series. In general, learning HMMs from data is computation...
Daniel Hsu, Sham M. Kakade, Tong Zhang
JMLR
2010
107views more  JMLR 2010»
14 years 11 months ago
Modeling Knowledge Worker Activity
This paper describes an approach to constructing a probabilistic process model representing knowledge worker activity out of a log of primitive events, such as e-mails, web page v...
Tadej Stajner, Dunja Mladenic
ICIAP
2007
ACM
16 years 4 months ago
Projective Transformations for Image Transition Animations
Transformation of image patches is a common requirement for 2D transition animations such as shape interpolation and image morphing. It is usually done by applying affine transfor...
TzuYen Wong, Peter Kovesi, Amitava Datta