2019

Toward Understanding Catastrophic Forgetting in Continual Learning

Nguyen, Cuong V., Achille, Alessandro, Lam, Michael et al.

Understand

We study the relationship between catastrophic forgetting and properties of task sequences.

  • In particular, given a sequence of tasks, we would like to understand which properties of this sequence influence the error rates of continual learning algorithms trained on the sequence.
  • To this end, we propose a new procedure that makes use of recent developments in task space modeling as well as correlation analysis to specify and analyze the properties we are interested in.
  • As an application, we apply our procedure to study two properties of a task sequence: (1) total complexity and (2) sequential heterogeneity.

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