Incorporating Relational Background Knowledge into Reinforcement Learning via Differentiable Inductive Logic Programming

• URL: http://arxiv.org/abs/2003.10386v1
• Date: Mon, 23 Mar 2020 16:56:11 GMT
• Title: Incorporating Relational Background Knowledge into Reinforcement Learning via Differentiable Inductive Logic Programming
• Authors: Ali Payani and Faramarz Fekri
• Abstract summary: We propose a novel deepReinforcement Learning (RRL) based on a differentiable Inductive Logic Programming (ILP) We show the efficacy of this novel RRL framework using environments such as BoxWorld, GridWorld as well as relational reasoning for the Sort-of-CLEVR dataset.
• Score: 8.122270502556374
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Relational Reinforcement Learning (RRL) can offers various desirable features. Most importantly, it allows for incorporating expert knowledge into the learning, and hence leading to much faster learning and better generalization compared to the standard deep reinforcement learning. However, most of the existing RRL approaches are either incapable of incorporating expert background knowledge (e.g., in the form of explicit predicate language) or are not able to learn directly from non-relational data such as image. In this paper, we propose a novel deep RRL based on a differentiable Inductive Logic Programming (ILP) that can effectively learn relational information from image and present the state of the environment as first order logic predicates. Additionally, it can take the expert background knowledge and incorporate it into the learning problem using appropriate predicates. The differentiable ILP allows an end to end optimization of the entire framework for learning the policy in RRL. We show the efficacy of this novel RRL framework using environments such as BoxWorld, GridWorld as well as relational reasoning for the Sort-of-CLEVR dataset.

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