133 search results - page 21 / 27 » Improving OLAP Performance by Multidimensional Hierarchical ... |
FLAIRS
2007
15 years 2 months ago
2007
In this paper, we focus on the ontological concept extraction and evaluation process from HTML documents. In order to improve this process, we propose an unsupervised hierarchical...
115
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JIIS
2006
15 years 7 days ago
2006
: Geographic information (e.g., locations, networks, and nearest neighbors) are unique and different from other aspatial attributes (e.g., population, sales, or income). It is a ch...
CCGRID
2007
IEEE
15 years 6 months ago
2007
IEEE
Lustre is a parallel file system that presents high aggregated IO bandwidth by striping file extents across many storage devices. However, our experiments indicate excessively wid...
116
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BIBM
2008
IEEE
15 years 6 months ago
2008
IEEE
Background: Gene expression signatures in the mammalian brain hold the key to understanding neural development and neurological disease. Researchers have previously used voxelatio...
BMCBI
2008
15 years 12 days ago
2008
Background The use of clustering methods for the discovery of cancer subtypes has drawn a great deal of attention in the scientific community. While bioinformaticians have propose...