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Extractive Question Answering (EQA) in Machine Reading Comprehension (MRC) often faces the challenge of dealing with semantically identical but format-variant inputs. Our work introduces a novel approach, called the ``Query Latent Semantic…

计算与语言 · 计算机科学 2024-05-01 Sheng Ouyang , Jianzong Wang , Yong Zhang , Zhitao Li , Ziqi Liang , Xulong Zhang , Ning Cheng , Jing Xiao

Large Language Models (LLMs) are discovered to suffer from accurately retrieving key information. To address this, we propose Mask-Enhanced Autoregressive Prediction (MEAP), a simple yet effective training paradigm that seamlessly…

计算与语言 · 计算机科学 2026-03-16 Xialie Zhuang , Zhikai Jia , Jianjin Li , Zhenyu Zhang , Li Shen , Zheng Cao , Shiwei Liu

Multi-hop question answering (MQA) is one of the challenging tasks to evaluate machine's comprehension and reasoning abilities, where large language models (LLMs) have widely achieved the human-comparable performance. Due to the dynamics of…

计算与语言 · 计算机科学 2024-02-16 Hengrui Gu , Kaixiong Zhou , Xiaotian Han , Ninghao Liu , Ruobing Wang , Xin Wang

Knowledge-based question answering (KBQA) is a key task in NLP research, and also an approach to access the web data and knowledge, which requires exploiting knowledge graphs (KGs) for reasoning. In the literature, one promising solution…

计算与语言 · 计算机科学 2024-03-18 Xin Lin , Tianhuang Su , Zhenya Huang , Shangzi Xue , Haifeng Liu , Enhong Chen

Although the LLM-based in-context learning (ICL) paradigm has demonstrated considerable success across various natural language processing tasks, it encounters challenges in event detection. This is because LLMs lack an accurate…

计算与语言 · 计算机科学 2025-08-12 Ziheng Li , Zhi-Hong Deng

We study extractive question-answering in the medical domain (Medical-EQA). This problem has two main challenges: (i) domain specificity, as most AI models lack necessary domain knowledge, and (ii) extraction-based answering style, which…

计算与语言 · 计算机科学 2024-12-13 Saptarshi Sengupta , Connor Heaton , Shreya Ghosh , Wenpeng Yin , Preslav Nakov , Suhang Wang

Multimodal Large Language Models (MLLMs) have demonstrated remarkable capabilities in vision-language understanding, reasoning, and generation. However, they struggle with tasks requiring fine-grained localization and reasoning in…

计算机视觉与模式识别 · 计算机科学 2025-07-15 Jaeseong Lee , Yeeun Choi , Heechan Choi , Hanjung Kim , Seonjoo Kim

Machine Reading Comprehension (MRC) poses a significant challenge in the field of Natural Language Processing (NLP). While mainstream MRC methods predominantly leverage extractive strategies using encoder-only models such as BERT,…

计算与语言 · 计算机科学 2024-10-17 Lin Ai , Zheng Hui , Zizhou Liu , Julia Hirschberg

Machine Reading Comprehension (MRC) for question answering (QA), which aims to answer a question given the relevant context passages, is an important way to test the ability of intelligence systems to understand human language.…

计算与语言 · 计算机科学 2019-11-20 Di Jin , Shuyang Gao , Jiun-Yu Kao , Tagyoung Chung , Dilek Hakkani-tur

Contrastive learning (CL) has become a ubiquitous approach for several natural language processing (NLP) downstream tasks, especially for question answering (QA). However, the major challenge, how to efficiently train the knowledge…

计算与语言 · 计算机科学 2022-03-31 Wenshen Xu , Mieradilijiang Maimaiti , Yuanhang Zheng , Xin Tang , Ji Zhang

This paper presents two effective approaches for Extractive Question Answering (QA) on the Quran. It addresses challenges related to complex language, unique terminology, and deep meaning in the text. The second uses few-shot prompting with…

计算与语言 · 计算机科学 2025-08-11 Mohamed Basem , Islam Oshallah , Ali Hamdi , Ammar Mohammed

Question answering over knowledge bases (KBQA) aims to answer factoid questions with a given knowledge base (KB). Due to the large scale of KB, annotated data is impossible to cover all fact schemas in KB, which poses a challenge to the…

计算与语言 · 计算机科学 2023-05-24 Chuanyuan Tan , Yuehe Chen , Wenbiao Shao , Wenliang Chen

Generative commonsense question answering (GenCQA) is a task of automatically generating a list of answers given a question. The answer list is required to cover all reasonable answers. This presents the considerable challenges of producing…

计算与语言 · 计算机科学 2023-05-16 Zhifeng Li , Bowei Zou , Yifan Fan , Yu Hong

Multi-hop question answering (QA) requires reasoning over multiple documents to answer a complex question and provide interpretable supporting evidence. However, providing supporting evidence is not enough to demonstrate that a model has…

计算与语言 · 计算机科学 2022-09-16 Zhenyun Deng , Yonghua Zhu , Yang Chen , Qianqian Qi , Michael Witbrock , Patricia Riddle

Embodied Question Answering (EQA) is an essential yet challenging task for robot assistants. Large vision-language models (VLMs) have shown promise for EQA, but existing approaches either treat it as static video question answering without…

机器人学 · 计算机科学 2025-08-12 Kai Cheng , Zhengyuan Li , Xingpeng Sun , Byung-Cheol Min , Amrit Singh Bedi , Aniket Bera

Protein representation learning has primarily benefited from the remarkable development of language models (LMs). Accordingly, pre-trained protein models also suffer from a problem in LMs: a lack of factual knowledge. The recent solution…

机器学习 · 计算机科学 2023-02-16 Hong-Yu Zhou , Yunxiang Fu , Zhicheng Zhang , Cheng Bian , Yizhou Yu

Pre-trained Language Models (PLMs) have achieved remarkable performance for various language understanding tasks in IR systems, which require the fine-tuning process based on labeled training data. For low-resource scenarios, prompt-based…

计算与语言 · 计算机科学 2022-04-04 Ziyun Xu , Chengyu Wang , Minghui Qiu , Fuli Luo , Runxin Xu , Songfang Huang , Jun Huang

Reward Models (RMs), vital for large model alignment, are underexplored for complex embodied tasks like Embodied Question Answering (EQA) where nuanced evaluation of agents' spatial, temporal, and logical understanding is critical yet not…

机器学习 · 计算机科学 2025-06-13 Yuhang Chen , Zhen Tan , Tianlong Chen

Domain-specific quantitative reasoning remains a major challenge for large language models (LLMs), especially in fields requiring expert knowledge and complex question answering (QA). In this work, we propose Expert Question Decomposition…

计算与语言 · 计算机科学 2025-10-03 Mengyu Wang , Sotirios Sabanis , Miguel de Carvalho , Shay B. Cohen , Tiejun Ma

This paper proposes a novel training method to improve the robustness of Extractive Question Answering (EQA) models. Previous research has shown that existing models, when trained on EQA datasets that include unanswerable questions,…

计算与语言 · 计算机科学 2024-10-01 Son Quoc Tran , Matt Kretchmar
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