19 search results - page 3 / 4 » Scalable robust covariance and correlation estimates for dat... |
ICDM
2006
IEEE
14 years 8 days ago
2006
IEEE
We address the problem of capturing and tracking local correlations among time evolving time series. Our approach is based on comparing the local auto-covariance matrices (via the...
ICML
2006
IEEE
14 years 7 months ago
2006
IEEE
Principal components and canonical correlations are at the root of many exploratory data mining techniques and provide standard pre-processing tools in machine learning. Lately, p...
JCM
2006
13 years 6 months ago
2006
There are many difficult challenges ahead in the design of an energy-efficient communication stack for wireless sensor networks. Due to the severe sensor node constraints, protocol...
KDD
2006
ACM
14 years 6 months ago
2006
ACM
This paper presents a novel Second Order Cone Programming (SOCP) formulation for large scale binary classification tasks. Assuming that the class conditional densities are mixture...
KDD
2007
ACM
14 years 6 months ago
2007
ACM
We consider the problem of estimating occurrence rates of rare events for extremely sparse data, using pre-existing hierarchies to perform inference at multiple resolutions. In pa...