ANAVIT: Enhancing Document-Level Relation Extraction with Anaphor Nodes and Visual Transformation - Pham, An Duc Vinh; Thi, Quynh-Trang Pham; Dang, Thanh-Hai (2025 17th International Conference on Knowledge and System Engineering (KSE), Knowledge and System Engineering (KSE), 2025 17th International Conference on, 2025)