Chen, Y., B. Li, H. Yu, P. Wu, and C. Miao. “HyDRA: Hypergradient Data Relevance Analysis for Interpreting Deep Neural Networks”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 35, no. 8, May 2021, pp. 7081-9, doi:10.1609/aaai.v35i8.16871.