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SIGKDD
2008
150views more  SIGKDD 2008»
15 years 5 months ago
Learning to improve area-under-FROC for imbalanced medical data classification using an ensemble method
This paper presents our solution for KDD Cup 2008 competition that aims at optimizing the area under ROC for breast cancer detection. We exploited weighted-based classification me...
Hung-Yi Lo, Chun-Min Chang, Tsung-Hsien Chiang, Ch...
SIGMETRICS
2008
ACM
159views Hardware» more  SIGMETRICS 2008»
15 years 5 months ago
Weighted fair sharing for dynamic virtual clusters
In a shared server infrastructure, a scheduler controls how quantities of resources are shared over time in a fair manner across multiple, competing consumers. It should support w...
Laura E. Grit, Jeffrey S. Chase
139
Voted
SIGMETRICS
2008
ACM
109views Hardware» more  SIGMETRICS 2008»
15 years 5 months ago
Automatic request categorization in internet services
Modeling system performance and workload characteristics has become essential for efficiently provisioning Internet services and for accurately predicting future resource requirem...
Abhishek Sharma, Ranjita Bhagwan, Monojit Choudhur...
IJHPCA
2007
88views more  IJHPCA 2007»
15 years 5 months ago
Scaling Properties of Common Statistical Operators for Gridded Datasets
An accurate cost-model that accounts for dataset size and structure can help optimize geoscience data analysis. We develop and apply a computational model to estimate data analysi...
Charles S. Zender, Harry Mangalam
ALIFE
2005
15 years 5 months ago
Levels of Description: A Novel Approach to Dynamical Hierarchies
We present a novel formal interpretation of dynamical hierarchies based on information theory, in which each level is a near-state-determined system, and levels are related to one ...
Simon McGregor, Chrisantha Fernando
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