SkillTree reduces continuous action spaces to discrete skills via a differentiable decision tree in a hierarchical policy, achieving comparable performance to neural skill methods with added skill-level explainability in robotic arm tasks.
A.; Veness, J.; Bellemare, M
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SkillTree: Explainable Skill-Based Deep Reinforcement Learning for Long-Horizon Control Tasks
SkillTree reduces continuous action spaces to discrete skills via a differentiable decision tree in a hierarchical policy, achieving comparable performance to neural skill methods with added skill-level explainability in robotic arm tasks.