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185
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SGAI
2004
Springer
16 years 23 days ago
Overfitting in Wrapper-Based Feature Subset Selection: The Harder You Try the Worse it Gets
In Wrapper based feature selection, the more states that are visited during the search phase of the algorithm the greater the likelihood of finding a feature subset that has a high...
John Loughrey, Padraig Cunningham
PODC
2009
ACM
16 years 3 days ago
Brief announcement: locality-based aggregate computation in wireless sensor networks
We present DRR-gossip, an energy-efficient and robust aggregate computation algorithm in wireless sensor networks. We prove that the DRR-gossip algorithm requires O(n) messages a...
Jen-Yeu Chen, Gopal Pandurangan, Jianghai Hu
SDM
2010
SIAM
181views Data Mining» more  SDM 2010»
15 years 9 months ago
Making k-means Even Faster
The k-means algorithm is widely used for clustering, compressing, and summarizing vector data. In this paper, we propose a new acceleration for exact k-means that gives the same a...
Greg Hamerly
193
Voted
TEC
2008
98views more  TEC 2008»
15 years 7 months ago
Opposition-Based Differential Evolution
Evolutionary Algorithms (EAs) are well-known optimization approaches to cope with non-linear, complex problems. These population-based algorithms, however, suffer from a general we...
Shahryar Rahnamayan, Hamid R. Tizhoosh, Magdy M. A...
212
Voted
ACL
2010
15 years 5 months ago
Efficient Staggered Decoding for Sequence Labeling
The Viterbi algorithm is the conventional decoding algorithm most widely adopted for sequence labeling. Viterbi decoding is, however, prohibitively slow when the label set is larg...
Nobuhiro Kaji, Yasuhiro Fujiwara, Naoki Yoshinaga,...