AttenWalker: 基于注意力图遍历的无监督长文档问答（英文版）

英文标题：AttenWalker: Unsupervised Long-Document Question Answering via Attention-based Graph Walking中文摘要：提出了一个名为 AttenWalker 的新的无监督长文档问答方法，能够生成高质量的长文档 QA 对，该方法在 Qasper 和 NarrativeQA 上明显优于之前的方法，并在少样本学习中也表现良好。英文摘要：Annotating long-document question answering (long-document QA) pairs istime-consuming and expensive. To alleviate the problem, it might be possible togenerate long-document QA pairs via unsupervised question answering (UQA)methods. However, existing UQA tasks are based on short documents,