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» Natural Block Data Decomposition for Heterogeneous Clusters
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1999
IEEE
13 years 7 months ago
The Network RamDisk: Using remote memory on heterogeneous NOWs
Efficient data storage, a major concern in the modern computer industry, is mostly provided today by the the traditional magnetic disk. Unfortunately the cost of a disk transfer m...
Michail Flouris, Evangelos P. Markatos
PVLDB
2008
107views more  PVLDB 2008»
13 years 5 months ago
Constrained locally weighted clustering
Data clustering is a difficult problem due to the complex and heterogeneous natures of multidimensional data. To improve clustering accuracy, we propose a scheme to capture the lo...
Hao Cheng, Kien A. Hua, Khanh Vu
CCGRID
2005
IEEE
14 years 29 days ago
Semi-automated preservation and archival of scientific data using semantic grid services
Addressing the long term preservation issues associated with scientific data is a complex challenge compounded by: the scale and multidisciplinary nature of the problem; the wide ...
J. Hunter, S. Choudhury
ALGORITHMICA
2006
139views more  ALGORITHMICA 2006»
13 years 7 months ago
CONQUEST: A Coarse-Grained Algorithm for Constructing Summaries of Distributed Discrete Datasets
Abstract. In this paper we present a coarse-grained parallel algorithm, CONQUEST, for constructing boundederror summaries of high-dimensional binary attributed data in a distribute...
Jie Chi, Mehmet Koyutürk, Ananth Grama
IPM
2006
151views more  IPM 2006»
13 years 7 months ago
Document clustering using nonnegative matrix factorization
A methodology for automatically identifying and clustering semantic features or topics in a heterogeneous text collection is presented. Textual data is encoded using a low rank no...
Farial Shahnaz, Michael W. Berry, V. Paul Pauca, R...