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相关论文: Graph-free Multi-hop Reading Comprehension: A Sele…

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Retrieving information from correlative paragraphs or documents to answer open-domain multi-hop questions is very challenging. To deal with this challenge, most of the existing works consider paragraphs as nodes in a graph and propose…

计算与语言 · 计算机科学 2021-02-09 Nan Shao , Yiming Cui , Ting Liu , Shijin Wang , Guoping Hu

Automated fact-checking aims to assess the truthfulness of textual claims based on relevant evidence. However, verifying complex claims that require multi-hop reasoning remains a significant challenge. We propose GraphCheck, a novel…

计算与语言 · 计算机科学 2025-11-10 Hyewon Jeon , Jay-Yoon Lee

Despite the success of generative pre-trained language models on a series of text generation tasks, they still suffer in cases where reasoning over underlying commonsense knowledge is required during generation. Existing approaches that…

计算与语言 · 计算机科学 2020-09-25 Haozhe Ji , Pei Ke , Shaohan Huang , Furu Wei , Xiaoyan Zhu , Minlie Huang

Recent advances in search-augmented large reasoning models (LRMs) enable the retrieval of external knowledge to reduce hallucinations in multistep reasoning. However, their ability to operate on graph-structured data, prevalent in domains…

计算与语言 · 计算机科学 2026-01-14 Jiajin Liu , Yuanfu Sun , Dongzhe Fan , Qiaoyu Tan

This work deals with the challenge of learning and reasoning over multi-hop question answering (QA). We propose a graph reasoning network based on the semantic structure of the sentences to learn cross paragraph reasoning paths and find the…

计算与语言 · 计算机科学 2020-11-19 Chen Zheng , Parisa Kordjamshidi

Several multi-hop reading comprehension datasets have been proposed to resolve the issue of reasoning shortcuts by which questions can be answered without performing multi-hop reasoning. However, the ability of multi-hop models to perform…

计算与语言 · 计算机科学 2022-10-12 Xanh Ho , Saku Sugawara , Akiko Aizawa

Agentic retrieval improves multi-hop question answering by giving language models autonomy to iteratively gather evidence. Recent work augments these systems with knowledge graphs for structured traversal, but this combination introduces…

多智能体系统 · 计算机科学 2026-05-19 Stockton Jenkins , Ramya Korlakai Vinayak , Junjie Hu

Multi-hop question answering requires models to gather information from different parts of a text to answer a question. Most current approaches learn to address this task in an end-to-end way with neural networks, without maintaining an…

计算与语言 · 计算机科学 2021-06-08 Jifan Chen , Shih-ting Lin , Greg Durrett

Learning multi-hop reasoning has been a key challenge for reading comprehension models, leading to the design of datasets that explicitly focus on it. Ideally, a model should not be able to perform well on a multi-hop question answering…

计算与语言 · 计算机科学 2019-04-30 Jifan Chen , Greg Durrett

Recent years, multi-hop reasoning has been widely studied for knowledge graph (KG) reasoning due to its efficacy and interpretability. However, previous multi-hop reasoning approaches are subject to two primary shortcomings. First, agents…

人工智能 · 计算机科学 2024-12-19 Zijian Wang , Bin Wang , Haifeng Jing , Huayu Li , Hongbo Dou

Question Answering for complex questions is often modeled as a graph construction or traversal task, where a solver must build or traverse a graph of facts that answer and explain a given question. This "multi-hop" inference has been shown…

计算与语言 · 计算机科学 2018-05-30 Peter Jansen

Reading comprehension QA tasks have seen a recent surge in popularity, yet most works have focused on fact-finding extractive QA. We instead focus on a more challenging multi-hop generative task (NarrativeQA), which requires the model to…

计算与语言 · 计算机科学 2019-06-04 Lisa Bauer , Yicheng Wang , Mohit Bansal

Machine reading comprehension (MRC) poses new challenges over logical reasoning, which aims to understand the implicit logical relations entailed in the given contexts and perform inference over them. Due to the complexity of logic, logical…

计算与语言 · 计算机科学 2023-06-22 Jialin Chen , Zhuosheng Zhang , Hai Zhao

Temporal knowledge graph question answering (TKGQA) involves multi-hop reasoning over temporally constrained entity relationships in the knowledge graph to answer a given question. However, at each hop, large language models (LLMs) retrieve…

人工智能 · 计算机科学 2026-01-06 Wuzhenghong Wen , Chao Xue , Su Pan , Yuwei Sun , Minlong Peng

Multi-hop question answering over hybrid table-text data requires retrieving and reasoning across multiple evidence pieces from large corpora, but standard Retrieval-Augmented Generation (RAG) pipelines process documents as flat ranked…

计算与语言 · 计算机科学 2026-01-13 Mohamed Sharafath , Aravindh Annamalai , Ganesh Murugan , Aravindakumar Venugopalan

Knowledge retrieval and reasoning are two key stages in multi-hop question answering (QA) at web scale. Existing approaches suffer from low confidence when retrieving evidence facts to fill the knowledge gap and lack transparent reasoning…

计算与语言 · 计算机科学 2021-05-26 Weiwen Xu , Huihui Zhang , Deng Cai , Wai Lam

Retrieval-Augmented Generation (RAG) has become a robust framework for enhancing Large Language Models (LLMs) with external knowledge. Recent advances in RAG have investigated graph based retrieval for intricate reasoning; however, the…

计算机视觉与模式识别 · 计算机科学 2025-11-04 Tejas Sarnaik , Manan Shah , Ravi Hegde

Discovering human cognitive and emotional states using multi-modal physiological signals draws attention across various research applications. Physiological responses of the human body are influenced by human cognition and commonly used to…

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 the question. This paper introduces a new graph-based…

计算与语言 · 计算机科学 2020-02-17 Akari Asai , Kazuma Hashimoto , Hannaneh Hajishirzi , Richard Socher , Caiming Xiong

Goal-conditioned hierarchical reinforcement learning (HRL) decomposes complex reaching tasks into a sequence of simple subgoal-conditioned tasks, showing significant promise for addressing long-horizon planning in large-scale environments.…

机器学习 · 计算机科学 2025-04-15 Haoran Wang , Yaoru Sun , Zeshen Tang , Haibo Shi , Chenyuan Jiao