272 search results - page 34 / 55 » Unsupervised Outlier Detection in Time Series Data |
MOBIQUITOUS
2005
IEEE
14 years 2 months ago
2005
IEEE
This paper introduces a new approach that addresses data contamination problems from attacks in unattended wireless sensor networks. We propose a sliding-window based spatio-tempo...
JIIS
2002
13 years 8 months ago
2002
Abstract. We propose a novel probabilistic method, based on latent variable models, for unsupervised topographic visualisation of dynamically evolving, coherent textual information...
SDM
2008
SIAM
13 years 10 months ago
2008
SIAM
In this paper, we propose a new approach to anomaly detection by looking at the latent variable space to make the first step toward latent anomaly detection. Most conventional app...
ISBI
2008
IEEE
14 years 9 months ago
2008
IEEE
Most clustering algorithms in fMRI analysis implicitly require some nontrivial assumption on data structure. Due to arbitrary distribution of fMRI time series in the temporal doma...
SDM
2008
SIAM
13 years 10 months ago
2008
SIAM
We define and solve the problem of "distribution classification", and, in general, "distribution mining". Given n distributions (i.e., clouds) of multi-dimensi...