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» The Practice of Cluster Analysis
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CONCURRENCY
2008
84views more  CONCURRENCY 2008»
15 years 6 months ago
Dynamic allocation in a self-scaling cluster database
Abstract. Database systems have been vital for all forms of data processing for a long time. In recent years, the amount of processed data has been growing dramatically, even in sm...
Tilmann Rabl, Marc Pfeffer, Harald Kosch
178
Voted
IPM
2006
151views more  IPM 2006»
15 years 6 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...
161
Voted
CSFW
1994
IEEE
15 years 10 months ago
One-Representative Safety Analysis in the Non-Monotonic Transform Model
We analyze the safety question for the Non-Monotonic Transform NMT model, an access control model that encompasses a wide variety of practical access control mechanisms. In genera...
Ravi S. Sandhu, Paul Ammann
ICIAR
2005
Springer
16 years 5 days ago
Estimating the Natural Number of Classes on Hierarchically Clustered Multi-spectral Images
Image classification is often used to extract information from multi-spectral satellite images. Unsupervised methods can produce results well adjusted to the data, but that are us...
André R. S. Marçal, Janete S. Borges
EUROPAR
2008
Springer
15 years 8 months ago
Mapping Heterogeneous Distributed Applications on Clusters
Performance of distributed applications largely depends on the mapping of their components on the underlying architecture. On one mponent-based approaches provide an abstraction su...
Sylvain Jubertie, Emmanuel Melin, Jér&eacut...