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JAMIA
2011
68views more  JAMIA 2011»
14 years 9 months ago
A secure protocol for protecting the identity of providers when disclosing data for disease surveillance
Background Providers have been reluctant to disclose patient data for public-health purposes. Even if patient privacy is ensured, the desire to protect provider confidentiality h...
Khaled El Emam, Jun Hu, Jay Mercer, Liam Peyton, M...
ICDE
2012
IEEE
237views Database» more  ICDE 2012»
13 years 9 months ago
On Discovery of Traveling Companions from Streaming Trajectories
— The advance of object tracking technologies leads to huge volumes of spatio-temporal data collected in the form of trajectory data stream. In this study, we investigate the pro...
Lu An Tang, Yu Zheng, Jing Yuan, Jiawei Han, Alice...
KDD
2010
ACM
199views Data Mining» more  KDD 2010»
15 years 10 months ago
Online discovery and maintenance of time series motifs
The detection of repeated subsequences, time series motifs, is a problem which has been shown to have great utility for several higher-level data mining algorithms, including clas...
Abdullah Mueen, Eamonn J. Keogh
CORR
2010
Springer
114views Education» more  CORR 2010»
15 years 6 months ago
Settling the Polynomial Learnability of Mixtures of Gaussians
Given data drawn from a mixture of multivariate Gaussians, a basic problem is to accurately estimate the mixture parameters. We give an algorithm for this problem that has running ...
Ankur Moitra, Gregory Valiant
ICCV
2009
IEEE
16 years 11 months ago
A Riemannian Analysis of 3D Nose Shapes For Partial Human Biometrics
In this paper we explore the use of shapes of noses for performing partial human biometrics. The basic idea is to represent nasal surfaces using indexed collections of isocurves,...
Hassen drira, Boulbaba Ben Amor, Anuj Srivastava, ...