378 search results - page 9 / 76 » An objective evaluation criterion for clustering |
SISAP
2008
IEEE
14 years 2 months ago
2008
IEEE
Similarity search has been proved suitable for searching in very large collections of unstructured data objects. We are interested in efficient parallel query processing under si...
ISCAS
2002
IEEE
14 years 19 days ago
2002
IEEE
In this report, we propose lossless/lossy coding gain as a new objective criterion to theoretically evaluate lossless and lossy coding performance of the lossless/lossy wavelet (L...
EMMCVPR
2001
Springer
14 years 6 days ago
2001
Springer
Most cost function based clustering or partitioning methods measure the compactness of groups of data. In contrast to this picture of a point source in feature space, some data sou...
IEICET
2007
13 years 7 months ago
2007
Abstract. In ubiquitous networks, Mobile Nodes (MNs) may often suffer from performance degradation due to the following two reasons: (1) reduction of signal strength by an MN’s m...
BMCBI
2008
13 years 7 months ago
2008
Background: Hierarchical clustering is a widely applied tool in the analysis of microarray gene expression data. The assessment of cluster stability is a major challenge in cluste...