Continuous Adaptation via Meta-Learning in Nonstationary and Competitive
Environments
release_3falip5y5rh6tnij2nc5upk6gy
by
Maruan Al-Shedivat, Trapit Bansal, Yuri Burda, Ilya Sutskever, Igor
Mordatch, Pieter Abbeel
2017
Abstract
Ability to continuously learn and adapt from limited experience in
nonstationary environments is an important milestone on the path towards
general intelligence. In this paper, we cast the problem of continuous
adaptation into the learning-to-learn framework. We develop a simple
gradient-based meta-learning algorithm suitable for adaptation in dynamically
changing and adversarial scenarios. Additionally, we design a new multi-agent
competitive environment, RoboSumo, and define iterated adaptation games for
testing various aspects of continuous adaptation strategies. We demonstrate
that meta-learning enables significantly more efficient adaptation than
reactive baselines in the few-shot regime. Our experiments with a population of
agents that learn and compete suggest that meta-learners are the fittest.
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