Learning from Multiple Annotators with Gaussian Processes

  • Perry Groot
  • Adriana Birlutiu
  • Tom Heskes
Part of the Lecture Notes in Computer Science book series (LNCS, volume 6792)

Abstract

In many supervised learning tasks it can be costly or infeasible to obtain objective, reliable labels. We may, however, be able to obtain a large number of subjective, possibly noisy, labels from multiple annotators. Typically, annotators have different levels of expertise (i.e., novice, expert) and there is considerable diagreement among annotators. We present a Gaussian process (GP) approach to regression with multiple labels but no absolute gold standard. The GP framework provides a principled non-parametric framework that can automatically estimate the reliability of individual annotators from data without the need of prior knowledge. Experimental results show that the proposed GP multi-annotator model outperforms models that either average the training data or weigh individually learned single-annotator models.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  • Perry Groot
    • 1
  • Adriana Birlutiu
    • 2
  • Tom Heskes
    • 2
  1. 1.Dept. of Electrical Engineering - Control SystemsTechnical University EindhovenEindhovenThe Netherlands
  2. 2.Intelligent SystemsRadboud University NijmegenNijmegenThe Netherlands

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