LIU, Zhiqiang; HUA, Yin; CHEN, Mingyang; ZHANG, Yichi; CHEN, Zhuo; LIANG, Lei; ZHANG, Wen. UniHR: Hierarchical Representation Learning for Unified Knowledge Graph Link Prediction. Proceedings of the AAAI Conference on Artificial Intelligence, [S. l.], v. 40, n. 18, p. 15421–15429, 2026. DOI: 10.1609/aaai.v40i18.38569. Disponível em: https://ojs.aaai.org/index.php/AAAI/article/view/38569. Acesso em: 17 may. 2026.