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Related papers: Enhancing Multi-modal and Multi-hop Question Answe…

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Multi-modal retrieval-augmented Question Answering (MRAQA), integrating text and images, has gained significant attention in information retrieval (IR) and natural language processing (NLP). Traditional ranking methods rely on small…

Computation and Language · Computer Science 2025-01-24 Yang Bai , Christan Earl Grant , Daisy Zhe Wang

The retrieval-augmented generation (RAG) enables retrieval of relevant information from an external knowledge source and allows large language models (LLMs) to answer queries over previously unseen document collections. However, it was…

Computation and Language · Computer Science 2025-04-03 Mykhailo Poliakov , Nadiya Shvai

Multi-hop question generation (MQG) aims to generate complex questions which require reasoning over multiple pieces of information of the input passage. Most existing work on MQG has focused on exploring graph-based networks to equip the…

Computation and Language · Computer Science 2022-02-15 Dan Su , Peng Xu , Pascale Fung

Multi-modal Retrieval-Augmented Generation (MMRAG) enables highly credible generation by integrating external multi-modal knowledge, thus demonstrating impressive performance in complex multi-modal scenarios. However, existing MMRAG methods…

Artificial Intelligence · Computer Science 2025-12-22 Shengwei Zhao , Jingwen Yao , Sitong Wei , Linhai Xu , Yuying Liu , Dong Zhang , Zhiqiang Tian , Shaoyi Du

Multi-hop retrieval-augmented generation (RAG) is a promising strategy for complex reasoning, yet existing iterative prompting approaches remain inefficient. They often regenerate predictable token sequences at every step and rely on…

Computation and Language · Computer Science 2025-10-23 Jihwan Bang , Juntae Lee , Seunghan Yang , Sungha Choi

Question Generation (QG) is the task of generating a plausible question for a given <passage, answer> pair. Template-based QG uses linguistically-informed heuristics to transform declarative sentences into interrogatives, whereas supervised…

Computation and Language · Computer Science 2021-09-17 Chenyang Lyu , Lifeng Shang , Yvette Graham , Jennifer Foster , Xin Jiang , Qun Liu

Large Language Models (LLMs) have shown remarkable capabilities across diverse tasks, yet they face inherent limitations such as constrained parametric knowledge and high retraining costs. Retrieval-Augmented Generation (RAG) augments the…

Information Retrieval · Computer Science 2025-08-26 Leqian Li , Dianxi Shi , Jialu Zhou , Xinyu Wei , Mingyue Yang , Songchang Jin , Shaowu Yang

Question Answering (QA) and Visual Question Answering (VQA) are well-studied problems in the language and vision domain. One challenging scenario involves multiple sources of information, each of a different modality, where the answer to…

Computation and Language · Computer Science 2025-03-11 Vinay Kumar Verma , Shreyas Sunil Kulkarni , Happy Mittal , Deepak Gupta

Large language models (LLMs) have demonstrated strong reasoning capabilities. Nevertheless, they still suffer from factual errors when tackling knowledge-intensive tasks. Retrieval-augmented reasoning represents a promising approach.…

Computation and Language · Computer Science 2024-07-01 Zheng Chu , Jingchang Chen , Qianglong Chen , Haotian Wang , Kun Zhu , Xiyuan Du , Weijiang Yu , Ming Liu , Bing Qin

Question Answering (QA) systems face challenges in handling complex questions that require multi-domain knowledge synthesis. The naive RAG models, although effective in information retrieval, struggle with complex questions that require…

Computation and Language · Computer Science 2024-10-24 Ziyang Chen , Xiaobin Wang , Yong Jiang , Jinzhi Liao , Pengjun Xie , Fei Huang , Xiang Zhao

Current general-purpose large language models (LLMs) commonly exhibit knowledge hallucination and insufficient domain-specific adaptability in domain-specific tasks, limiting their effectiveness in specialized question answering scenarios.…

Information Retrieval · Computer Science 2025-09-16 Mengzheng Yang , Yanfei Ren , David Osei Opoku , Ruochang Li , Peng Ren , Chunxiao Xing

Multimodal Retrieval-Augmented Generation (MMRAG) has been introduced to enhance Multimodal Large Language Models by incorporating externally retrieved multimodal knowledge, but it introduces two challenges: Parametric-Retrieved Knowledge…

Computation and Language · Computer Science 2025-06-06 Yang Tian , Fan Liu , Jingyuan Zhang , Victoria W. , Yupeng Hu , Liqiang Nie

Multi-hop Question Answering (QA) is a challenging task since it requires an accurate aggregation of information from multiple context paragraphs and a thorough understanding of the underlying reasoning chains. Recent work in multi-hop QA…

Computation and Language · Computer Science 2022-11-02 Kaige Xie , Sarah Wiegreffe , Mark Riedl

Retrieval-augmented generation (RAG) remains brittle on multi-step questions and heterogeneous evidence sources, trading accuracy against latency and token/tool budgets. This paper introduces RELOOP, a structure aware framework using…

Computation and Language · Computer Science 2026-04-24 Ruiyi Yang , Hao Xue , Imran Razzak , Hakim Hacid , Flora D. Salim

Retrieval-augmented generation (RAG) has shown promising results in enhancing Q&A by incorporating information from the web and other external sources. However, the supporting documents retrieved from the heterogeneous web often originate…

Computation and Language · Computer Science 2026-03-26 Kaize Shi , Xueyao Sun , Qika Lin , Firoj Alam , Qing Li , Xiaohui Tao , Guandong Xu

Multimodal Retrieval-Augmented Generation (MRAG) enhances large language models (LLMs) by integrating multimodal data (text, images, videos) into retrieval and generation processes, overcoming the limitations of text-only…

Information Retrieval · Computer Science 2025-04-15 Lang Mei , Siyu Mo , Zhihan Yang , Chong Chen

Existing Scholarly Question Answering (QA) methods typically target homogeneous data sources, relying solely on either text or Knowledge Graphs (KGs). However, scholarly information often spans heterogeneous sources, necessitating the…

Computation and Language · Computer Science 2024-12-06 Tilahun Abedissa Taffa , Debayan Banerjee , Yaregal Assabie , Ricardo Usbeck

In order to facilitate natural language understanding, the key is to engage commonsense or background knowledge. However, how to engage commonsense effectively in question answering systems is still under exploration in both research…

Computation and Language · Computer Science 2020-11-06 Qianglong Chen , Feng Ji , Haiqing Chen , Yin Zhang

This study presents a question-based knowledge encoding approach that improves retrieval-augmented generation (RAG) systems without requiring fine-tuning or traditional chunking. We encode textual content using generated questions that span…

Multi-hop reasoning is an effective approach for query answering (QA) over incomplete knowledge graphs (KGs). The problem can be formulated in a reinforcement learning (RL) setup, where a policy-based agent sequentially extends its…

Artificial Intelligence · Computer Science 2018-09-13 Xi Victoria Lin , Richard Socher , Caiming Xiong