2022

Fast Rates in Pool-Based Batch Active Learning

Gentile, Claudio, Wang, Zhilei, Zhang, Tong

Understand

We consider a batch active learning scenario where the learner adaptively issues batches of points to a labeling oracle.

  • Sampling labels in batches is highly desirable in practice due to the smaller number of interactive rounds with the labeling oracle (often human beings).
  • However, batch active learning typically pays the price of a reduced adaptivity, leading to suboptimal results.
  • In this paper we propose a solution which requires a careful trade off between the informativeness of the queried points and their diversity.

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