927 search results - page 117 / 186 » Stability of k -Means Clustering |
ICASSP
2010
IEEE
13 years 8 months ago
2010
IEEE
Nonnegative matrix factorization (NMF) is a widely-used tool for obtaining low-rank approximations of nonnegative data such as digital images, audio signals, textual data, financ...
PRL
1998
13 years 8 months ago
1998
A neuro-fuzzy methodology is described which involves connectionist minimization of a fuzzy feature evaluation index with unsupervised training. The concept of a ¯exible membersh...
ISVD
2010
IEEE
13 years 6 months ago
2010
IEEE
—We study the topology of the Megaparsec Cosmic Web on the basis of the Alpha Shapes of the galaxy distribution. The simplicial complexes of the alpha shapes are used to determin...
SIGMOD
2001
ACM
14 years 8 months ago
2001
ACM
Mapping to one-dimensional values and then using a onedimensional indexing method has been proposed as a way of indexing multi-dimensional data. Most previous related work uses th...
PAM
2005
Springer
14 years 1 months ago
2005
Springer
We propose two methods to passively measure and monitor changes in round-trip times (RTTs) throughout the lifetime of a TCP connection. Our first method associates data segments w...