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Multimodal Retrieval-Augmented Generation (MRAG) enhances reasoning capabilities by integrating external knowledge. However, existing benchmarks primarily focus on simple image-text interactions, overlooking complex visual formats like…

Artificial Intelligence · Computer Science 2025-02-21 Yuming Yang , Jiang Zhong , Li Jin , Jingwang Huang , Jingpeng Gao , Qing Liu , Yang Bai , Jingyuan Zhang , Rui Jiang , Kaiwen Wei

Recent multimodal models such as DALL-E and CM3 have achieved remarkable progress in text-to-image and image-to-text generation. However, these models store all learned knowledge (e.g., the appearance of the Eiffel Tower) in the model…

Computer Vision and Pattern Recognition · Computer Science 2023-06-07 Michihiro Yasunaga , Armen Aghajanyan , Weijia Shi , Rich James , Jure Leskovec , Percy Liang , Mike Lewis , Luke Zettlemoyer , Wen-tau Yih

Hallucinations are one of the major problems of LLMs, hindering their trustworthiness and deployment to wider use cases. However, most of the research on hallucinations focuses on English data, neglecting the multilingual nature of LLMs.…

Computation and Language · Computer Science 2025-07-02 Miriam Anschütz , Ekaterina Gikalo , Niklas Herbster , Georg Groh

Retrieval Augmented Generation (RAG) improves correctness of Question Answering (QA) and addresses hallucinations in Large Language Models (LLMs), yet greatly increase computational costs. Besides, RAG is not always needed as may introduce…

Integrating structured knowledge from tabular formats poses significant challenges within natural language processing (NLP), mainly when dealing with complex, semi-structured tables like those found in the FeTaQA dataset. These tables…

Computation and Language · Computer Science 2024-10-31 Hossein Sholehrasa , Sanaz Saki Norouzi , Pascal Hitzler , Majid Jaberi-Douraki

Hallucination is a major concern in LLM-driven service systems, necessitating explicit knowledge grounding for compliance-guaranteed responses. In this paper, we introduce Retrieval-Augmented Learning-to-Match (RAL2M), a novel framework…

Computation and Language · Computer Science 2026-01-07 Mengze Hong , Di Jiang , Jiangtao Wen , Zhiyang Su , Yawen Li , Yanjie Sun , Guan Wang , Chen Jason Zhang

In this report, we present our solution to the multi-task robustness track of the 1st Visual Continual Learning (VCL) Challenge at ICCV 2023 Workshop. We propose a vanilla framework named UniNet that seamlessly combines various visual…

Computer Vision and Pattern Recognition · Computer Science 2024-02-28 Zehui Chen , Qiuchen Wang , Zhenyu Li , Jiaming Liu , Shanghang Zhang , Feng Zhao

Incorporating factual knowledge in knowledge graph is regarded as a promising approach for mitigating the hallucination of large language models (LLMs). Existing methods usually only use the user's input to query the knowledge graph, thus…

Computation and Language · Computer Science 2023-11-23 Xinyan Guan , Yanjiang Liu , Hongyu Lin , Yaojie Lu , Ben He , Xianpei Han , Le Sun

Large Language Models (LLMs) often struggle with dynamically changing knowledge and handling unknown static information. Retrieval-Augmented Generation (RAG) is employed to tackle these challenges and has a significant impact on improving…

Computation and Language · Computer Science 2025-09-18 Zhen Zhang , Xinyu Wang , Yong Jiang , Zile Qiao , Zhuo Chen , Guangyu Li , Feiteng Mu , Mengting Hu , Pengjun Xie , Fei Huang

In this paper, we present our solution to a Multi-modal Algorithmic Reasoning Task: SMART-101 Challenge. Different from the traditional visual question-answering datasets, this challenge evaluates the abstraction, deduction, and…

Computer Vision and Pattern Recognition · Computer Science 2023-10-11 Xiangyu Wu , Yang Yang , Shengdong Xu , Yifeng Wu , Qingguo Chen , Jianfeng Lu

In our study, we evaluated large language model (LLM) performance on pharmacy licensure-style question-answering tasks and developed an external knowledge integration method to improve accuracy. We benchmarked ten LLMs with varying…

While ongoing advancements in Large Language Models have demonstrated remarkable success across various NLP tasks, Retrieval Augmented Generation Model stands out to be highly effective on downstream applications like Question Answering.…

Computation and Language · Computer Science 2024-10-24 Salman Rakin , Md. A. R. Shibly , Zahin M. Hossain , Zeeshan Khan , Md. Mostofa Akbar

Knowledge graph question answering (KGQA) presents significant challenges due to the structural and semantic variations across input graphs. Existing works rely on Large Language Model (LLM) agents for graph traversal and retrieval; an…

Computation and Language · Computer Science 2025-07-08 Costas Mavromatis , Soji Adeshina , Vassilis N. Ioannidis , Zhen Han , Qi Zhu , Ian Robinson , Bryan Thompson , Huzefa Rangwala , George Karypis

Large Language Models~(LLMs) are prone to hallucinations, and Retrieval-Augmented Generation (RAG) helps mitigate this, but at a high computational cost while risking misinformation. Adaptive retrieval aims to retrieve only when necessary,…

Large Language Models (LLMs), despite their remarkable capabilities, are prone to generating hallucinated or outdated content due to their static internal knowledge. While Retrieval-Augmented Generation (RAG) integrated with Reinforcement…

Computation and Language · Computer Science 2026-01-14 Zhiwen Tan , Jiaming Huang , Qintong Wu , Hongxuan Zhang , Chenyi Zhuang , Jinjie Gu

Despite the superb performance in many tasks, large language models (LLMs) bear the risk of generating hallucination or even wrong answers when confronted with tasks that demand the accuracy of knowledge. The issue becomes even more…

Information Retrieval · Computer Science 2024-12-16 Lihui Liu , Zihao Wang , Ruizhong Qiu , Yikun Ban , Eunice Chan , Yangqiu Song , Jingrui He , Hanghang Tong

Recent advancements in large language models (LLMs) have shown remarkable progress, yet their ability to solve complex problems remains limited. In this work, we introduce Cumulative Reasoning (CR), a structured framework that enhances LLM…

Artificial Intelligence · Computer Science 2026-05-22 Yifan Zhang , Jingqin Yang , Yang Yuan , Andrew Chi-Chih Yao

Multimodal Large Language Models (MLLMs) achieve strong performance on tasks like image captioning and visual question answering, but remain prone to hallucinations, where generated text conflicts with the visual input. Prior work links…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Tiancheng Yang , Lin Zhang , Jiaye Lin , Guimin Hu , Di Wang , Lijie Hu

Large Language Models (LLMs) are proficient at generating coherent and contextually relevant text but face challenges when addressing knowledge-intensive queries in domain-specific and factual question-answering tasks. Retrieval-augmented…

Information Retrieval · Computer Science 2024-10-08 Garima Agrawal , Tharindu Kumarage , Zeyad Alghamdi , Huan Liu

Table Question Answering (TQA) aims to answer natural language questions over structured tables. Large Language Models (LLMs) enable promising solutions to this problem, with operator-centric solutions that generate table manipulation…

Databases · Computer Science 2026-04-02 Fengyu Li , Junhao Zhu , Kaishi Song , Lu Chen , Zhongming Yao , Tianyi Li , Christian S. Jensen