Multi-criteria Reinforcement Learning
ICML '98 Proceedings of the Fifteenth International Conference on Machine Learning
Reinforcement Learning with Bounded Risk
ICML '01 Proceedings of the Eighteenth International Conference on Machine Learning
Importance sampling for reinforcement learning with multiple objectives
Importance sampling for reinforcement learning with multiple objectives
A Geometric Approach to Multi-Criterion Reinforcement Learning
The Journal of Machine Learning Research
Dynamic preferences in multi-criteria reinforcement learning
ICML '05 Proceedings of the 22nd international conference on Machine learning
Risk-sensitive reinforcement learning applied to control under constraints
Journal of Artificial Intelligence Research
Constructing Stochastic Mixture Policies for Episodic Multiobjective Reinforcement Learning Tasks
AI '09 Proceedings of the 22nd Australasian Joint Conference on Advances in Artificial Intelligence
A survey of multi-objective sequential decision-making
Journal of Artificial Intelligence Research
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Multiobjective reinforcement learning (MORL) extends RL to problems with multiple conflicting objectives. This paper argues for designing MORL systems to produce a set of solutions approximating the Pareto front, and shows that the common MORL technique of scalarisation has fundamental limitations when used to find Pareto-optimal policies. The work is supported by the presentation of three new MORL benchmarks with known Pareto fronts.