Discovering the Rationale of Decisions: Towards a Method for Aligning Learning and Reasoning

Cor Steging, Silja Renooij, Bart Verheij

In AI and law, systems that are designed for decision support should be explainable when pursuing justice. In order for these systems to be fair and responsible, they should make correct decisions and make them using a sound and transparent rationale. In this paper, we introduce a knowledge-driven method for model-agnostic rationale evaluation using dedicated test cases, similar to unit-testing in professional software development. We apply this new quantitative human-in-the-loop method in a machine learning experiment aimed at extracting known knowledge structures from artificial datasets from a real-life legal setting. We show that our method allows us to analyze the rationale of black box machine learning systems by assessing which rationale elements are learned or not. Furthermore, we show that the rationale can be adjusted using tailor-made training data based on the results of the rationale evaluation.

Manuscript (in PDF-format)

Reference:
Steging, C., Renooij, S., & Verheij, B. (2021). Discovering the Rationale of Decisions: Towards a Method for Aligning Learning and Reasoning. The 18th International Conference on Artificial Intelligence and Law (ICAIL 2021). Proceedings of the Conference. New York (New York): ACM. https://doi.org/10.1145/3462757.3466059


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