A Research Agenda for Usability and Generalisation in Reinforcement Learning

Dennis J. N. J. Soemers; Spyridon Samothrakis; Kurt Driessens; Mark H. M. Winands

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arXiv · 2412.16970

A Research Agenda for Usability and Generalisation in Reinforcement Learning

Dennis J. N. J. Soemers·Spyridon Samothrakis·Kurt Driessens·Mark H. M. Winands

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Abstract

It is common practice in reinforcement learning (RL) research to train and deploy agents in bespoke simulators, typically implemented by engineers directly in general-purpose programming languages or hardware acceleration frameworks such as CUDA or JAX. This means that programming and engineering expertise is not only required to develop RL algorithms, but is also required to use already developed algorithms for novel problems. The latter poses a problem in terms of the usability of RL, in particular for private individuals and small organisations without substantial engineering expertise. We also perceive this as a challenge for effective generalisation in RL, in the sense that is no standard, shared formalism in which different problems are represented. As we typically have no consistent representation through which to provide information about any novel problem to an agent, our agents also cannot instantly or rapidly generalise to novel problems. In this position paper, we advocate for a research agenda centred around the use of user-friendly description languages for describing problems, such that (i) users with little to no engineering expertise can formally describe the problems they would like to be tackled by RL algorithms, and (ii) algorithms can leverage problem descriptions to effectively generalise among all problems describable in the language of choice.

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Dennis J. N. J. Soemers, Spyridon Samothrakis, Kurt Driessens, Mark H. M. Winands. 2024-12-22. A Research Agenda for Usability and Generalisation in Reinforcement Learning. https://arxiv.org/abs/2412.16970

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