Sciweavers

5733 search results - page 157 / 1147
» Clustering Categorical Data
Sort
View
CLUSTER
2000
IEEE
15 years 10 months ago
Enabling High Performance Data Transfer on Cluster Architecture
In this article, we present some results on the communication performance of TCP/IP in a cluster of Pentium based workstations connected by a Gigabit Ethernet network. The experim...
Paul A. Farrell, Hong Ong, Stephen L. Scott
ICDM
2009
IEEE
165views Data Mining» more  ICDM 2009»
16 years 22 days ago
Cross-Guided Clustering: Transfer of Relevant Supervision across Domains for Improved Clustering
—Lack of supervision in clustering algorithms often leads to clusters that are not useful or interesting to human reviewers. We investigate if supervision can be automatically tr...
Indrajit Bhattacharya, Shantanu Godbole, Sachindra...
GFKL
2005
Springer
95views Data Mining» more  GFKL 2005»
15 years 11 months ago
An Indicator for the Number of Clusters: Using a Linear Map to Simplex Structure
Abstract. The problem of clustering data can be formulated as a graph partitioning problem. In this setting, spectral methods for obtaining optimal solutions have received a lot of...
Marcus Weber, Wasinee Rungsarityotin, Alexander Sc...
DAGSTUHL
2009
15 years 7 months ago
Median Topographic Maps for Biomedical Data Sets
Abstract. Median clustering extends popular neural data analysis methods such as the self-organizing map or neural gas to general data structures given by a dissimilarity matrix on...
Barbara Hammer, Alexander Hasenfuss, Fabrice Rossi
ESANN
2006
15 years 7 months ago
Hierarchical analysis of GSM network performance data
In this study, a method for hierarchical examination and visualization of GSM data using the Self-Organizing Map (SOM) is described. The data is examined in few phases. At first te...
Mikko Multanen, Kimmo Raivio, Pasi Lehtimäki