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Broad-Persistent Advising in Interactive Reinforcement Learning via Latent State Encoding

2026-11-10 08:06:06
Zhuoran Liang, Francisco Cruz
arXiv_AI
       
Abstract

Deep Interactive Reinforcement Learning (Deep IntRL) accelerates reinforcement learning training by incorporating external advice. However, conventional Deep IntRL uses each piece of advice only in the current step and discards it after a single interaction. Persistent Advising and Broad-Persistent Advising (BPA) extend this process by storing advice in persistent memory and reusing it in similar states through state generalisation based on K-means clustering. This research proposes Encoder BPA, which employs a latent encoder to retrieve and reuse advice. In this framework, a trained encoder is used to map a state sequence into a latent representation at every time step. Advice can be retrieved through latent comparison, together with a top-(k) aggregation and a consistency condition to improve reuse stability. Experimental results show that Encoder BPA improves learning efficiency and advice utilisation at an early stage of training compared with different Deep IntRL approaches, especially in complex and partially observable environments.

Abstract (translated)

URL

https://arxiv.org/abs/2611.13712

PDF

https://arxiv.org/pdf/2611.13712.pdf

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