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ICMLA
2007
14 years 11 months ago
Automatic medical coding of patient records via weighted ridge regression
In this paper, we apply weighted ridge regression to tackle the highly unbalanced data issue in automatic largescale ICD-9 coding of medical patient records. Since most of the ICD...
Jian-Wu Xu, Shipeng Yu, Jinbo Bi, Lucian Vlad Lita...
ISBI
2007
IEEE
15 years 3 months ago
A Fractal Multi-Dimensional Ultrasound Scatterer Distribution Model
This paper presents a multi-dimensional point scatterer distribution model for the context of ultrasound image simulation. The model has a simple parameterisation, has low computa...
Catherine Laporte, James J. Clark, Tal Arbel
ICIP
2010
IEEE
14 years 7 months ago
Video anomaly detection in spatiotemporal context
Compared to other approaches that analyze object trajectories, we propose to detect anomalous video events at three levels considering spatiotemporal context of video objects, i.e...
Fan Jiang, Junsong Yuan, Sotirios A. Tsaftaris, Ag...
HPCN
1997
Springer
15 years 1 months ago
Parallel Solution of Irregular, Sparse Matrix Problems Using High Performance Fortran
For regular, sparse, linear systems, like those derived from regular grids, using High Performance Fortran (HPF) for iterative solvers is straightforward. However, for irregular ma...
Eric de Sturler, Damian Loher
99
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SDM
2012
SIAM
238views Data Mining» more  SDM 2012»
13 years 21 hour ago
Evaluating Event Credibility on Twitter
Though Twitter acts as a realtime news source with people acting as sensors and sending event updates from all over the world, rumors spread via Twitter have been noted to cause c...
Manish Gupta, Peixiang Zhao, Jiawei Han