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An Empirical Study of Example Forgetting during Deep Neural Network Learning by Toneva, Mariya; Sordoni, Alessandro; Combes, Remi Tachet des; Trischler, Adam; Bengio, Yoshua; Gordon, Geoffrey J. is a scholarly article available to read on EtoBox.

What is An Empirical Study of Example Forgetting during Deep Neural Network Learning about?

Inspired by the phenomenon of catastrophic forgetting, we investigate the learning dynamics of neural networks as they train on single classification tasks. Our goal is to understand whether a related phenomenon occurs when data does not undergo a clear distributional shift. We define a `forgetting event' to have occurred when an individual training example transitions from being classified correctly to incorrectly over the course of learning. Across several benchmark data sets, we find that: (i) certain examples are forgotten with high frequency, and some not at all; (ii) a data set's (un)forgettable examples generalize across neural architectures; and (iii) based on forgetting dynamics, a significant fraction of examples can be omitted from the training data set while still maintaining state-of-the-art generalization performance.

Author

Toneva, Mariya; Sordoni, Alessandro; Combes, Remi Tachet des; Trischler, Adam; Bengio, Yoshua; Gordon, Geoffrey J.

Published

2018

Language

EN