Pu R, Li Y, Zhao J, Wang S, Li D, Liao J, Zheng J. A Joint Framework with Heterogeneous-Relation-Aware Graph and Multi-Channel Label Enhancing Strategy for Event Causality Extraction. AAAI [Internet]. 2024Mar.24 [cited 2024Oct.18];38(17):18879-87. Available from: https://ojs.aaai.org/index.php/AAAI/article/view/29853