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ICML
2009
IEEE
16 years 8 months ago
Nonparametric factor analysis with beta process priors
We propose a nonparametric extension to the factor analysis problem using a beta process prior. This beta process factor analysis (BPFA) model allows for a dataset to be decompose...
John William Paisley, Lawrence Carin
STOC
2003
ACM
136views Algorithms» more  STOC 2003»
16 years 7 months ago
Alpha-shapes and flow shapes are homotopy equivalent
In this paper we establish a topological similarity between two apparently different shape constructors from a set of points. Shape constructors are geometric structures that tran...
Tamal K. Dey, Joachim Giesen, Matthias John
ALT
2006
Springer
16 years 4 months ago
Large-Margin Thresholded Ensembles for Ordinal Regression: Theory and Practice
Abstract. We propose a thresholded ensemble model for ordinal regression problems. The model consists of a weighted ensemble of confidence functions and an ordered vector of thres...
Hsuan-Tien Lin, Ling Li
ICCAD
2003
IEEE
210views Hardware» more  ICCAD 2003»
16 years 4 months ago
Generalized Network Flow Techniques for Dynamic Voltage Scaling in Hard Real-Time Systems
Energy consumption is an important performance parameter for portable and wireless embedded systems. However, energy consumption must be carefully balanced with real-time responsi...
Vishnu Swaminathan, Krishnendu Chakrabarty
ICML
2009
IEEE
16 years 2 months ago
Decision tree and instance-based learning for label ranking
The label ranking problem consists of learning a model that maps instances to total orders over a finite set of predefined labels. This paper introduces new methods for label ra...
Weiwei Cheng, Jens C. Huhn, Eyke Hüllermeier