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» Unification of Temporal Data Models
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CSDA
2010
173views more  CSDA 2010»
15 years 24 days ago
Time-varying joint distribution through copulas
This paper deals with the analysis of temporal dependence in multivariate highfrequency time series data. The dependence structure between the marginal series is modelled through ...
M. Concepcion Ausin, Hedibert F. Lopes
KDD
2007
ACM
152views Data Mining» more  KDD 2007»
16 years 1 months ago
Relational data pre-processing techniques for improved securities fraud detection
Commercial datasets are often large, relational, and dynamic. They contain many records of people, places, things, events and their interactions over time. Such datasets are rarel...
Andrew Fast, Lisa Friedland, Marc Maier, Brian Tay...
102
Voted
ESANN
2006
15 years 2 months ago
Unsupervised clustering of continuous trajectories of kinematic trees with SOM-SD
We explore the capability of the Self Organizing Map for structured data (SOM-SD) to compress continuous time data recorded from a kinematic tree, which can represent a robot or an...
Jochen J. Steil, Risto Koiva, Alessandro Sperduti
146
Voted
SP
2010
IEEE
152views Security Privacy» more  SP 2010»
14 years 10 months ago
Scalable Parametric Verification of Secure Systems: How to Verify Reference Monitors without Worrying about Data Structure Size
The security of systems such as operating systems, hypervisors, and web browsers depend critically on reference monitors to correctly enforce their desired security policy in the ...
Jason Franklin, Sagar Chaki, Anupam Datta, Arvind ...
ICCV
2007
IEEE
16 years 2 months ago
Structure from Statistics - Unsupervised Activity Analysis using Suffix Trees
Models of activity structure for unconstrained environments are generally not available a priori. Recent representational approaches to this end are limited by their computational...
Raffay Hamid, Siddhartha Maddi, Aaron F. Bobick, I...