Challenge: State-of-the-art reading comprehension models do not have general linguistic intelligence . accuracy of out-domain datasets is affected by the distribution of data .
Approach: They propose to use supervised RC training data in the source domain and unlabeled passages in the target domain to adapt models.
Outcome: The proposed model outperforms the model without domain adaptation with five datasets in different domains.

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Challenge: Existing techniques for unsupervised domain adaptation (UDA) are limited by domain shift, which leads to performance degradation.
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UDAPTER - Efficient Domain Adaptation Using Adapters (2023.eacl-main)

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Challenge: Using adapters, unsupervised domain adaptation (UDA) is more parameter efficient and requires large-scale data to be effective.
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Adversarial Domain Adaptation for Machine Reading Comprehension (D19-1)

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Challenge: Existing models for machine reading comprehension rely on large amounts of human-annotated in-domain data.
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Adapt in Contexts: Retrieval-Augmented Domain Adaptation via In-Context Learning (2023.emnlp-main)

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Knowledge-Empowered Representation Learning for Chinese Medical Reading Comprehension: Task, Model and Resources (2021.findings-acl)

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Challenge: MRC is a popular task in NLP, aiming to understand a passage and answer the relevant questions.
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Neural Unsupervised Domain Adaptation in NLP—A Survey (2020.coling-main)

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Challenge: Deep neural networks excel at learning from labeled data, but learning from unlabeled data remains a challenge.
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Simplified Neural Unsupervised Domain Adaptation (N19-1)

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Challenge: Existing unsupervised domain adaptation methods use neural networks to learn representations that are trained to predict the values of subset of important features called “pivot features.”
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Improving Machine Reading Comprehension with General Reading Strategies (N19-1)

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Challenge: Recent studies have shown that reading strategies improve comprehension levels for readers lacking adequate prior knowledge.
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M-QALM: A Benchmark to Assess Clinical Reading Comprehension and Knowledge Recall in Large Language Models via Question Answering (2024.findings-acl)

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Challenge: Existing studies on adapting large language models to perform a variety of tasks in high-stakes domains such as healthcare lack understanding of the extent and contributing factors that allow them to recall relevant knowledge and combine it with presented information.
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MultiQA: An Empirical Investigation of Generalization and Transfer in Reading Comprehension (P19-1)

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Challenge: A large number of reading comprehension (RC) datasets have been created, but little research has been done on whether they generalize to one another and the extent to which existing datasets can be leveraged for improving performance on new ones.
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