Archipelago: Nonparametric Bayesian semi-supervised learning

Ryan Prescott Adams, Zoubin Ghahramani

Research output: Chapter in Book/Report/Conference proceedingConference contribution

8 Scopus citations

Abstract

Semi-supervised learning (SSL), is classification where additional unlabeled data can be used to improve accuracy. Generative approaches are appealing in this situation, as a model of the data's probability density can assist in identifying clusters. Nonparametric Bayesian methods, while ideal in theory due to their principled motivations, have been difficult to apply to SSL in practice. We present a nonparametric Bayesian method that uses Gaussian processes for the generative model, avoiding many of the problems associated with Dirichlet process mixture models. Our model is fully generative and we take advantage of recent advances in Markov chain Monte Carlo algorithms to provide a practical inference method. Our method compares favorably to competing approaches on synthetic and real-world multi-class data.

Original languageEnglish (US)
Title of host publicationProceedings of the 26th International Conference On Machine Learning, ICML 2009
Pages1-8
Number of pages8
StatePublished - Dec 9 2009
Externally publishedYes
Event26th International Conference On Machine Learning, ICML 2009 - Montreal, QC, Canada
Duration: Jun 14 2009Jun 18 2009

Publication series

NameProceedings of the 26th International Conference On Machine Learning, ICML 2009

Other

Other26th International Conference On Machine Learning, ICML 2009
CountryCanada
CityMontreal, QC
Period6/14/096/18/09

All Science Journal Classification (ASJC) codes

  • Artificial Intelligence
  • Computer Networks and Communications
  • Software

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    Adams, R. P., & Ghahramani, Z. (2009). Archipelago: Nonparametric Bayesian semi-supervised learning. In Proceedings of the 26th International Conference On Machine Learning, ICML 2009 (pp. 1-8). (Proceedings of the 26th International Conference On Machine Learning, ICML 2009).