Challenge: Existing models for multiparty dialogue question answering (QA) do not consider logical inference relations in multiparty dialogs, leading to suboptimal performance.
Approach: They propose a memory network with logical inference for extractive QA in multiparty dialogues.
Outcome: The proposed model achieves state-of-the-art on Molweni and FriendsQA benchmarks.

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Challenge: Recent proposed long-form question answering systems have shown promising capabilities, but attributing and verifying their generated abstractive answers can be difficult.
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Augmenting Pre-trained Language Models with QA-Memory for Open-Domain Question Answering (2023.eacl-main)

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Challenge: Existing methods for open-domain question-answering use an open book approach . a recent alternative is to retrieve from a collection of previously-generated question-annwer pairs .
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Improving Knowledge Production Efficiency With Question Answering on Conversation (2023.acl-industry)

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Challenge: Existing researches on conversation-based QA focus on document-based tasks . current researche focuses on document based tasks, but there is a lack of researche on conversation based qa .
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Retrieval-based Question Answering with Passage Expansion Using a Knowledge Graph (2024.lrec-main)

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Challenge: Recent advances in dense neural retrievers and language models have hindered performance, especially for less common entities and facts.
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CHIME: Cross-passage Hierarchical Memory Network for Generative Review Question Answering (2020.coling-main)

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Challenge: Existing QA systems deal with factoid questions and assume a simplified setup such as multiple-choice questions, retrieving spans of text from given documents, and filling in the blanks.
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Enhancing Pre-Trained Generative Language Models with Question Attended Span Extraction on Machine Reading Comprehension (2024.emnlp-main)

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Challenge: Extractive Machine Reading Comprehension (MRC) is a challenging field in the field of Natural Language Processing.
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Answering while Summarizing: Multi-task Learning for Multi-hop QA with Evidence Extraction (P19-1)

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Challenge: Question answering (QA) using textual sources for purposes such as reading comprehension has attracted much attention.
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Towards Better Question Generation in QA-based Event Extraction (2024.findings-acl)

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Challenge: True. True. EE aims to extract event-related information from unstructured texts.
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Multi-level Association Refinement Network for Dialogue Aspect-based Sentiment Quadruple Analysis (2025.acl-long)

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Challenge: Existing methods for identifying quadruples rely on predefined dialogue structure and word semantics to achieve accurate and comprehensive sentiment associations between utterances and words.
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MeetingQA: Extractive Question-Answering on Meeting Transcripts (2023.acl-long)

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Challenge: Meeting transcripts are a promising domain for natural language tasks . lack of annotated data impedes research on other important tasks in this domain .
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