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A Survey of Explainable Reinforcement Learning

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arxiv 2202.08434 v1 pith:5MFXGGKW submitted 2022-02-17 cs.LG

classification cs.LG
keywords learningexplainabledecision-makingliteraturereinforcementsurveytaxonomyaccording
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Explainable reinforcement learning (XRL) is an emerging subfield of explainable machine learning that has attracted considerable attention in recent years. The goal of XRL is to elucidate the decision-making process of learning agents in sequential decision-making settings. In this survey, we propose a novel taxonomy for organizing the XRL literature that prioritizes the RL setting. We overview techniques according to this taxonomy. We point out gaps in the literature, which we use to motivate and outline a roadmap for future work.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. OpenAlex reports about 25 citations worldwide. Full citation record

  1. "What are my options?": Explaining RL Agents with Diverse Near-Optimal Alternatives (Extended)

    cs.LG 2025-06 conditional novelty 4.0 of 10

    DNA trains local Q-learning policies on corridor-shaped subproblems to produce provably epsilon-optimal, behaviorally diverse trajectory options for an RL agent.

  2. Inverse Reinforcement Learning Meets Large Language Model Post-Training: Basics, Advances, and Opportunities

    cs.LG 2025-07 unverdicted novelty 1.0 of 10

    A tutorial reviewing LLM alignment through the lens of inverse reinforcement learning, arguing that neural reward models learned from human data are central to post-training.

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