MedLDA: maximum margin supervised topic models for regression and classification

Jun Zhu,Amr Ahmed,E. Xing

Published 2009 in International Conference on Machine Learning

ABSTRACT

Supervised topic models utilize document's side information for discovering predictive low dimensional representations of documents; and existing models apply likelihood-based estimation. In this paper, we present a max-margin supervised topic model for both continuous and categorical response variables. Our approach, the maximum entropy discrimination latent Dirichlet allocation (MedLDA), utilizes the max-margin principle to train supervised topic models and estimate predictive topic representations that are arguably more suitable for prediction. We develop efficient variational methods for posterior inference and demonstrate qualitatively and quantitatively the advantages of MedLDA over likelihood-based topic models on movie review and 20 Newsgroups data sets.

PUBLICATION RECORD

  • Publication year

    2009

  • Venue

    International Conference on Machine Learning

  • Publication date

    2009-06-14

  • Fields of study

    Mathematics, Computer Science

  • Identifiers
  • External record

    Open on Semantic Scholar

  • Source metadata

    Semantic Scholar

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