272 search results - page 27 / 55 » Unsupervised Outlier Detection in Time Series Data |
ICDM
2009
IEEE
13 years 5 months ago
2009
IEEE
Abstract--Imbalanced data sets present a particular challenge to the data mining community. Often, it is the rare event that is of interest and the cost of misclassifying the rare ...
ICPR
2010
IEEE
13 years 5 months ago
2010
IEEE
To classify spectroscopic measurements it is necessary to have comparable methods of evaluation. In Terahertz (THz) time-domain spectroscopy, as a new technology, neither the pres...
AAAI
2007
13 years 9 months ago
2007
We investigate the impact of time on the predictability of sentiment classification research for models created from web logs. We show that sentiment classifiers are time dependen...
BMCBI
2010
13 years 7 months ago
2010
Background: Feature selection is an important pre-processing task in the analysis of complex data. Selecting an appropriate subset of features can improve classification or cluste...
TITB
2010
13 years 2 months ago
2010
Progressive loss of the field of vision is characteristic of a number of eye diseases such as glaucoma, a leading cause of irreversible blindness in the world. Recently, there has ...