272 search results - page 21 / 55 » Unsupervised Outlier Detection in Time Series Data |
ICML
2007
IEEE
14 years 8 months ago
2007
IEEE
We show how to apply the efficient Bayesian changepoint detection techniques of Fearnhead in the multivariate setting. We model the joint density of vector-valued observations usi...
ECML
1997
Springer
13 years 11 months ago
1997
Springer
Abstract. E cient data mining algorithms are crucial fore ective knowledge discovery. We present the Multi-Stream Dependency Detection (msdd) data mining algorithm that performs a ...
DATAMINE
2007
13 years 7 months ago
2007
Many high level representations of time series have been proposed for data mining, including Fourier transforms, wavelets, eigenwaves, piecewise polynomial models etc. Many researc...
SDM
2009
SIAM
14 years 4 months ago
2009
SIAM
We study non-parametric measures for the problem of comparing distributions, which arise in anomaly detection for continuous time series. Non-parametric measures take two distribu...
CCS
2006
ACM
13 years 11 months ago
2006
ACM
Intrusion detection systems create large amounts of alerts. Significant part of these alerts can be seen as background noise of an operational information system, and its quantity...