Explainable Pathfinding for Inscrutable Planners with Inductive Logic ProgrammingDownload PDF

Published: 30 Apr 2022, Last Modified: 05 May 2023XAIP 2022Readers: Everyone
Abstract: The complexity of the solutions that artificial intelligence can learn to solve problems currently surpasses its ability to explain these solutions. In many domains, explainable solutions are a necessary condition while optimality is not. Therefore, we seek to constrain solutions to the space of solutions that can be explained to a human. To do this, we build on inductive logic programming (ILP) techniques that allow us to define robust background knowledge and inductive biases. By combining ILP with a given inscrutable planner, we are able to construct an explainable graph representing solutions to all states in the state space. This graph can then be summarized using a variety of methods such as hierarchical representations and simple if/else rules. We test our approach on Towers of Hanoi and discuss future work for applications to the Rubik’s cube.
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