Yao, F., Zhang, J., Zhang, Y., Liu, X., Sun, C., Liu, Y., & Shen, W. (2023). Unsupervised Legal Evidence Retrieval via Contrastive Learning with Approximate Aggregated Positive. Proceedings of the AAAI Conference on Artificial Intelligence, 37(4), 4783–4791. https://doi.org/10.1609/aaai.v37i4.25603