2252 search results - page 64 / 451 » Improving Random Forests |
117
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ECCC
2000
15 years 12 days ago
2000
We analyze the addition of a simple local improvement step to various known randomized approximation algorithms. Let ' 0:87856 denote the best approximation ratio currently k...
114
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LSSC
2001
Springer
15 years 5 months ago
2001
Springer
Abstract. Quasi-Monte Carlo methods are based on the idea that random Monte Carlo techniques can often be improved by replacing the underlying source of random numbers with a more ...
91
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JCP
2008
15 years 17 days ago
2008
The Self Organizing Map (SOM) involves neural networks, that learns the features of input data thorough unsupervised, competitive neighborhood learning. In the SOM learning algorit...
105
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AIED
2009
Springer
15 years 7 months ago
2009
Springer
This study shows that affect-adaptive computer tutoring can significantly improve performance on learning efficiency and user satisfaction. We compare two different student uncer...
74
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IPPS
2007
IEEE
15 years 6 months ago
2007
IEEE
Targeted optimization of program segments can provide an additional program speedup over the highest default optimization level, such as -O3 in GCC. The key challenge is how to au...