Retrieving and reading: A comprehensive survey on open-domain question answering

F Zhu, W Lei, C Wang, J Zheng, S Poria… - arxiv preprint arxiv …, 2021 - arxiv.org
Open-domain Question Answering (OpenQA) is an important task in Natural Language
Processing (NLP), which aims to answer a question in the form of natural language based …

Neural machine reading comprehension: Methods and trends

S Liu, X Zhang, S Zhang, H Wang, W Zhang - Applied Sciences, 2019 - mdpi.com
Machine reading comprehension (MRC), which requires a machine to answer questions
based on a given context, has attracted increasing attention with the incorporation of various …

Leveraging passage retrieval with generative models for open domain question answering

G Izacard, E Grave - arxiv preprint arxiv:2007.01282, 2020 - arxiv.org
Generative models for open domain question answering have proven to be competitive,
without resorting to external knowledge. While promising, this approach requires to use …

Retrieval-augmented generation for knowledge-intensive nlp tasks

P Lewis, E Perez, A Piktus, F Petroni… - Advances in …, 2020 - proceedings.neurips.cc
Large pre-trained language models have been shown to store factual knowledge in their
parameters, and achieve state-of-the-art results when fine-tuned on downstream NLP tasks …

K-adapter: Infusing knowledge into pre-trained models with adapters

R Wang, D Tang, N Duan, Z Wei, X Huang… - arxiv preprint arxiv …, 2020 - arxiv.org
We study the problem of injecting knowledge into large pre-trained models like BERT and
RoBERTa. Existing methods typically update the original parameters of pre-trained models …

Open domain question answering using early fusion of knowledge bases and text

H Sun, B Dhingra, M Zaheer, K Mazaitis… - arxiv preprint arxiv …, 2018 - arxiv.org
Open Domain Question Answering (QA) is evolving from complex pipelined systems to end-
to-end deep neural networks. Specialized neural models have been developed for …

Entity-relation extraction as multi-turn question answering

X Li, F Yin, Z Sun, X Li, A Yuan, D Chai… - arxiv preprint arxiv …, 2019 - arxiv.org
In this paper, we propose a new paradigm for the task of entity-relation extraction. We cast
the task as a multi-turn question answering problem, ie, the extraction of entities and …

Simple and effective multi-paragraph reading comprehension

C Clark, M Gardner - arxiv preprint arxiv:1710.10723, 2017 - arxiv.org
We consider the problem of adapting neural paragraph-level question answering models to
the case where entire documents are given as input. Our proposed solution trains models to …

Pullnet: Open domain question answering with iterative retrieval on knowledge bases and text

H Sun, T Bedrax-Weiss, WW Cohen - arxiv preprint arxiv:1904.09537, 2019 - arxiv.org
We consider open-domain queston answering (QA) where answers are drawn from either a
corpus, a knowledge base (KB), or a combination of both of these. We focus on a setting in …

Learning to retrieve reasoning paths over wikipedia graph for question answering

A Asai, K Hashimoto, H Hajishirzi, R Socher… - arxiv preprint arxiv …, 2019 - arxiv.org
Answering questions that require multi-hop reasoning at web-scale necessitates retrieving
multiple evidence documents, one of which often has little lexical or semantic relationship to …