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123
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IDA
2009
Springer
15 years 7 months ago
Bayesian Non-negative Matrix Factorization
Abstract. We present a Bayesian treatment of non-negative matrix factorization (NMF), based on a normal likelihood and exponential priors, and derive an efficient Gibbs sampler to ...
Mikkel N. Schmidt, Ole Winther, Lars Kai Hansen
92
Voted
IDA
2009
Springer
15 years 7 months ago
Bayesian Solutions to the Label Switching Problem
Abstract. The label switching problem, the unidentifiability of the permutation of clusters or more generally latent variables, makes interpretation of results computed with MCMC ...
Kai Puolamäki, Samuel Kaski
101
Voted
SPIN
2009
Springer
15 years 7 months ago
Symbolic Analysis via Semantic Reinterpretation
Abstract. The paper presents a novel technique to create implementations of the basic primitives used in symbolic program analysis: forward symbolic evaluation, weakest liberal pre...
Junghee Lim, Akash Lal, Thomas W. Reps
84
Voted
CDC
2008
IEEE
130views Control Systems» more  CDC 2008»
15 years 7 months ago
Predictor estimation via Gaussian regression
Abstract— A novel nonparametric paradigm to model identification has been recently proposed where, in place of postulating finite-dimensional models of the system transfer func...
Gianluigi Pillonetto, Alessandro Chiuso, Giuseppe ...
92
Voted
CDC
2008
IEEE
117views Control Systems» more  CDC 2008»
15 years 7 months ago
A hopf-algebraic formula for compositions of noncommuting flows
Abstract— The Chen-Fliess series is known to be an exponential Lie series. Previously explicit formulas for the iterated integral coefficients were known only for its factorizat...
Eric Gehrig, Matthias Kawski