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Zetao Zheng

4 accepted papers

2026

Improving Generalization in Offline Meta-Reinforcement Learning via Cross-task Contexts

AAAI 2026technical

Context-based offline meta-reinforcement learning (meta-RL) is a paradigm that integrates meta-learning with offline reinforcement learning. It learns a strategy to extract task-specific contexts from trajectories of meta-training tasks and leverages this strategy for adapting to unseen target tasks

Cited by 0SourcePDFScholar
2025

Enhancing Online Reinforcement Learning with Meta-Learned Objective from Offline Data

AAAI 2025technical

A major challenge in Reinforcement Learning (RL) is the difficulty of learning an optimal policy from sparse rewards. Prior works enhance online RL with conventional Imitation Learning (IL) via a handcrafted auxiliary objective, at the cost of restricting the RL policy to be sub-optimal when the off…

2024

Abstract and Explore: A Novel Behavioral Metric with Cyclic Dynamics in Reinforcement Learning

AAAI 2024technical

Intrinsic motivation lies at the heart of the exploration of reinforcement learning, which is primarily driven by the agent's inherent satisfaction rather than external feedback from the environment. However, in recent more challenging procedurally-generated environments with high stochasticity and…