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Jul, 2020
使用ColBERT进行开放式问题回答的相关性引导监督
Relevance-guided Supervision for OpenQA with ColBERT
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Omar Khattab, Christopher Potts, Matei Zaharia
TL;DR
利用 ColBERT 模型定义了 ColBERT-QA，采用细粒度相互作用和弱监督策略来提升开放域问答的效果，实验结果表明在三个数据集上均取得了最先进的提取式开放域问答性能。
Abstract
Systems for
open-domain question answering
(OpenQA) generally depend on a
retriever
for finding candidate passages in a large corpus and a reader for extracting answers from those passages. In much recent work, t
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