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HPDC
2008
IEEE
15 years 7 months ago
File grouping for scientific data management: lessons from experimenting with real traces
Abstract-The analysis of data usage in a large set of real traces from a high-energy physics collaboration revealed the existence of an emergent grouping of files that we coined &q...
Shyamala Doraimani, Adriana Iamnitchi
CONCURRENCY
2008
102views more  CONCURRENCY 2008»
15 years 7 months ago
Dynamic data replication in LCG 2008
To provide performant access to data from high energy physics experiments such as the Large Hadron Collider (LHC), controlled replication of files among grid sites is required. Dy...
Caitriana Nicholson, David G. Cameron, A. T. Doyle...
GRID
2007
Springer
15 years 7 months ago
A Tool for Prioritizing DAGMan Jobs and its Evaluation
It is often difficult to perform efficiently a collection of jobs with complex job dependencies due to temporal unpredictability of the grid. One way to mitigate the unpredictabili...
Grzegorz Malewicz, Ian T. Foster, Arnold L. Rosenb...
TNN
2008
97views more  TNN 2008»
15 years 7 months ago
Training Hard-Margin Support Vector Machines Using Greedy Stagewise Algorithm
Hard-margin support vector machines (HM-SVMs) suffer from getting overfitting in the presence of noise. Soft-margin SVMs deal with this problem by introducing a regularization term...
Liefeng Bo, Ling Wang, Licheng Jiao
JEI
2007
90views more  JEI 2007»
15 years 7 months ago
Low-complexity high-performance multiscale error diffusion technique for digital halftoning
Multiscale error diffusion (MED) is superior to conventional error diffusion algorithms as it can eliminate directional hysteresis completely. However, due to its frame-oriented p...
Yik-Hing Fung, Ka-Chun Lui, Yuk-Hee Chan