abstractive summarization

Hierarchical BART strategy achieves state-of-the-art Vietnamese multi-document summarization

A research team presents a novel hierarchical BART-based strategy for Vietnamese multi-document abstractive summarization, achieving a ROUGE2-F1 score of 0.2468 on the VLSP 2022 public test set. The approach condenses documents guided by a golden summary, producing fluent and concise outputs, and releases additional training data to the community.