AAAI Publications, Workshops at the Thirty-Second AAAI Conference on Artificial Intelligence

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Autonomous Model Management via Reinforcement Learning
Elad Liebman, Eric Zavesky, Peter Stone

Last modified: 2018-06-20

Abstract


Concept drift - a change, either sudden or gradual, in the underlying properties of data - is one of the most prevalent challenges to maintaining high-performing learned models over time in autonomous systems. In the face of concept drift, one can hope that the old model is sufficiently representative of the new data despite the concept drift, one can discard the old data and retrain a new model with (often limited) new data, or one can use transfer learning methods to combine the old data with the new to create an updated model. Which of these three options is chosen affects not only near-term decisions, but also future needs to transfer or retrain. In this paper, we thus model response to concept drift as a sequential decision making problem and formally frame it as a Markov Decision Process. Our reinforcement learning approach to the problem shows promising results on one synthetic and two real-world datasets.

Keywords


reinforcement learning; concept drift; model retraining

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