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» Comparing clusterings: an axiomatic view
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BMCBI
2008
122views more  BMCBI 2008»
14 years 11 months ago
A practical comparison of two K-Means clustering algorithms
Background: Data clustering is a powerful technique for identifying data with similar characteristics, such as genes with similar expression patterns. However, not all implementat...
Gregory A. Wilkin, Xiuzhen Huang
PDCAT
2005
Springer
15 years 5 months ago
Performance Comparison between VOPP and MPI
View-Oriented Parallel Programming is based on Distributed Shared Memory which is friendly and easy for programmers to use. It requires the programmer to divide shared data into v...
Zhiyi Huang, Martin K. Purvis, Paul Werstein
101
Voted
IDEAS
1999
IEEE
123views Database» more  IDEAS 1999»
15 years 4 months ago
Improving OLAP Performance by Multidimensional Hierarchical Clustering
Data-warehousing applications cope with enormous data sets in the range of Gigabytes and Terabytes. Queries usually either select a very small set of this data or perform aggregat...
Volker Markl, Frank Ramsak, Rudolf Bayer
153
Voted
CVPR
2011
IEEE
14 years 9 months ago
Sparsity-based Image Denoising via Dictionary Learning and Structural Clustering
Where does the sparsity in image signals come from? Local and nonlocal image models have supplied complementary views toward the regularity in natural images the former attempts t...
Weisheng Dong, Xin Li
CCGRID
2005
IEEE
15 years 5 months ago
View-oriented update protocol with integrated diff for view-based consistency
This paper proposes a View-Oriented Update Protocol with Integrated Diff for efficient implementation of a View-based Consistency model which supports a novel View-Oriented Paral...
Zhiyi Huang, Martin K. Purvis, Paul Werstein