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ECML
2005
Springer
13 years 9 months ago
Clustering and Metaclustering with Nonnegative Matrix Decompositions
Although very widely used in unsupervised data mining, most clustering methods are affected by the instability of the resulting clusters w.r.t. the initialization of the algorithm ...
Liviu Badea
SDM
2008
SIAM
133views Data Mining» more  SDM 2008»
13 years 8 months ago
Semantic Smoothing for Bayesian Text Classification with Small Training Data
Bayesian text classifiers face a common issue which is referred to as data sparsity problem, especially when the size of training data is very small. The frequently used Laplacian...
Xiaohua Zhou, Xiaodan Zhang, Xiaohua Hu
CONCURRENCY
2010
95views more  CONCURRENCY 2010»
13 years 5 months ago
The Scalasca performance toolset architecture
SCALASCA is a performance toolset that has been specifically designed to analyze parallel application execution behavior on large-scale systems. It offers an incremental performan...
Markus Geimer, Felix Wolf, Brian J. N. Wylie, Erik...
IJNSEC
2008
140views more  IJNSEC 2008»
13 years 7 months ago
A Secure Group Key Management Scheme for Wireless Cellular Systems
In wireless networks, secure multicast protocols are more difficult to implement efficiently due to the dynamic nature of the multicast group and the scarcity of bandwidth at the ...
Hwa Young Um, Edward J. Delp
BMCBI
2010
156views more  BMCBI 2010»
13 years 7 months ago
PeakAnalyzer: Genome-wide annotation of chromatin binding and modification loci
Background: Functional genomic studies involving high-throughput sequencing and tiling array applications, such as ChIP-seq and ChIP-chip, generate large numbers of experimentally...
Mali Salmon-Divon, Heidi Dvinge, Kairi Tammoja, Pa...