13651 search results - page 54 / 2731 » Spectral analysis of data |
ICDM
2008
IEEE
14 years 2 months ago
2008
IEEE
Nonnegative matrix factorization (NMF) is a versatile model for data clustering. In this paper, we propose several NMF inspired algorithms to solve different data mining problems....
PAKDD
2004
ACM
14 years 1 months ago
2004
ACM
The use of unlabeled data to aid classification is important as labeled data is often available in limited quantity. Instead of utilizing training samples directly into semi-super...
ICASSP
2010
IEEE
13 years 8 months ago
2010
IEEE
Many practical applications of clustering involve data collected over time. In these applications, evolutionary clustering can be applied to the data to track changes in clusters ...
DATESO
2010
13 years 5 months ago
2010
Abstract. The high dimensionality of the data generated by social networks has been a big challenge for researchers. In order to solve the problems associated with this phenomenon,...
FOCS
2000
IEEE
14 years 7 days ago
2000
IEEE
We motivate and develop a natural bicriteria measure for assessing the quality of a clustering that avoids the drawbacks of existing measures. A simple recursive heuristic is shown...