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Retrieval-Augmented Generation (RAG) has emerged as a widely adopted approach for enhancing LLMs in scenarios that demand extensive factual knowledge. However, current RAG evaluations concentrate primarily on correctness, which may not…

Computation and Language · Computer Science 2026-03-23 Vinh Nguyen , Cuong Dang , Jiahao Zhang , Hoa Tran , Minh Tran , Trinh Chau , Thai Le , Lu Cheng , Suhang Wang

Entity-aware image captioning aims to describe named entities and events related to the image by utilizing the background knowledge in the associated article. This task remains challenging as it is difficult to learn the association between…

Computer Vision and Pattern Recognition · Computer Science 2021-07-27 Wentian Zhao , Yao Hu , Heda Wang , Xinxiao Wu , Jiebo Luo

Multi-modal Retrieval-Augmented Generation (RAG) has become a critical method for empowering LLMs by leveraging candidate visual documents. However, current methods consider the entire document as the basic retrieval unit, introducing…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Yinglu Li , Zhiying Lu , Zhihang Liu , Yiwei Sun , Chuanbin Liu , Hongtao Xie

Vision-Language Models (VLMs) have achieved impressive performance in cross-modal understanding across textual and visual inputs, yet existing benchmarks predominantly focus on pure-text queries. In real-world scenarios, language also…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Qing'an Liu , Juntong Feng , Yuhao Wang , Xinzhe Han , Yujie Cheng , Yue Zhu , Haiwen Diao , Yunzhi Zhuge , Huchuan Lu

Visual Question Answering (VQA) is a challenging task that requires systems to provide accurate answers to questions based on image content. Current VQA models struggle with complex questions due to limitations in capturing and integrating…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Peiyuan Chen , Zecheng Zhang , Yiping Dong , Li Zhou , Han Wang

With the rise of multimodal large language models, accurately extracting and understanding textual information from video content, referred to as video based optical character recognition (Video OCR), has become a crucial capability. This…

Computer Vision and Pattern Recognition · Computer Science 2024-12-31 Yulin Fei , Yuhui Gao , Xingyuan Xian , Xiaojin Zhang , Tao Wu , Wei Chen

Image captioning has long been regarded as a fundamental task in visual understanding. Recently, however, few large vision-language model (LVLM) research discusses model's image captioning performance because of the outdated short-caption…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Hongyuan Dong , Jiawen Li , Bohong Wu , Jiacong Wang , Yuan Zhang , Haoyuan Guo

Retrieval-augmented generation (RAG) is a common way to ground language models in external documents and up-to-date information. Classical retrieval systems relied on lexical methods such as BM25, which rank documents by term overlap with…

Computation and Language · Computer Science 2026-03-05 Martin Asenov , Kenza Benkirane , Dan Goldwater , Aneiss Ghodsi

Retrieval-Augmented Generation (RAG) plays a vital role in the financial domain, powering applications such as real-time market analysis, trend forecasting, and interest rate computation. However, most existing RAG research in finance…

Computation and Language · Computer Science 2025-09-10 Suifeng Zhao , Zhuoran Jin , Sujian Li , Jun Gao

On the way towards general Visual Question Answering (VQA) systems that are able to answer arbitrary questions, the need arises for evaluation beyond single-metric leaderboards for specific datasets. To this end, we propose a browser-based…

Computer Vision and Pattern Recognition · Computer Science 2021-10-12 Dirk Väth , Pascal Tilli , Ngoc Thang Vu

While language Models store a massive amount of world knowledge implicitly in their parameters, even very large models often fail to encode information about rare entities and events, while incurring huge computational costs. Recently,…

Computation and Language · Computer Science 2022-10-21 Wenhu Chen , Hexiang Hu , Xi Chen , Pat Verga , William W. Cohen

We investigate the use of multimodal information contained in images as an effective method for enhancing the commonsense of Transformer models for text generation. We perform experiments using BART and T5 on concept-to-text generation,…

Computation and Language · Computer Science 2022-03-28 Steven Y. Feng , Kevin Lu , Zhuofu Tao , Malihe Alikhani , Teruko Mitamura , Eduard Hovy , Varun Gangal

We propose a scalable and cost-efficient framework for deploying Graph-based Retrieval-Augmented Generation (GraphRAG) in enterprise environments. While GraphRAG has shown promise for multi- hop reasoning and structured retrieval, its…

Artificial Intelligence · Computer Science 2025-12-19 Congmin Min , Sahil Bansal , Joyce Pan , Abbas Keshavarzi , Rhea Mathew , Amar Viswanathan Kannan

Existing multimodal Retrieval-Augmented Generation (RAG) methods for visually rich documents (VRD) are often biased towards retrieving salient knowledge(e.g., prominent text and visual elements), while largely neglecting the critical…

Information Retrieval · Computer Science 2025-11-26 Anyang Tong , Xiang Niu , ZhiPing Liu , Chang Tian , Yanyan Wei , Zenglin Shi , Meng Wang

In enterprise settings, efficiently retrieving relevant information from large and complex knowledge bases is essential for operational productivity and informed decision-making. This research presents a systematic empirical framework for…

Large Language Models (LLMs) have demonstrated impressive capabilities in answering questions, but they lack domain-specific knowledge and are prone to hallucinations. Retrieval Augmented Generation (RAG) is one approach to address these…

Computation and Language · Computer Science 2024-10-30 Monica Riedler , Stefan Langer

The increasing use of Retrieval-Augmented Generation (RAG) systems in various applications necessitates stringent protocols to ensure RAG systems accuracy, safety, and alignment with user intentions. In this paper, we introduce VERA…

Information Retrieval · Computer Science 2024-09-09 Tianyu Ding , Adi Banerjee , Laurent Mombaerts , Yunhong Li , Tarik Borogovac , Juan Pablo De la Cruz Weinstein

Misinformation on the web increasingly appears in multimodal forms, combining text, images, and OCR-rendered content in ways that amplify harm to public trust and vulnerable communities. While prior fact-checking systems often rely on…

Computation and Language · Computer Science 2026-01-14 Aditya Kishore , Gaurav Kumar , Jasabanta Patro

Radiology Report Generation (RRG) through Vision-Language Models (VLMs) promises to reduce documentation burden, improve reporting consistency, and accelerate clinical workflows. However, their clinical adoption remains limited by the lack…

Computer Vision and Pattern Recognition · Computer Science 2026-02-18 Marco Salmè , Federico Siciliano , Fabrizio Silvestri , Paolo Soda , Rosa Sicilia , Valerio Guarrasi

Reinforcement learning post-training has substantially improved the reasoning accuracy of vision-language models, yet the resulting policies remain poorly calibrated. Terminal correctness rewards provide no gradient that penalizes confident…

Machine Learning · Computer Science 2026-05-19 Peng Cui , Boyao Yang , Jun Zhu