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Retrieval-augmented generation (RAG) is key to enhancing large language models (LLMs) to systematically access richer factual knowledge. Yet, using RAG brings intrinsic challenges, as LLMs must deal with potentially conflicting knowledge,…

Computation and Language · Computer Science 2025-04-08 Leonardo Ranaldi , Federico Ranaldi , Fabio Massimo Zanzotto , Barry Haddow , Alexandra Birch

Large Language Models (LLMs) have shown versatility in various Natural Language Processing (NLP) tasks, including their potential as effective question-answering systems. However, to provide precise and relevant information in response to…

Computation and Language · Computer Science 2024-09-09 Sriram Veturi , Saurabh Vaichal , Reshma Lal Jagadheesh , Nafis Irtiza Tripto , Nian Yan

Retrieval-Augmented Generation (RAG) has gained significant popularity in modern Large Language Models (LLMs) due to its effectiveness in introducing new knowledge and reducing hallucinations. However, the deep understanding of RAG remains…

Computation and Language · Computer Science 2024-10-07 Jingyu Liu , Jiaen Lin , Yong Liu

Retrieval-augmented generation (RAG) with large language models (LLMs) is especially valuable in specialized domains, where precision is critical. To more specialize the LLMs into a target domain, domain-specific RAG has recently been…

Computation and Language · Computer Science 2025-02-24 Juntae Lee , Jihwan Bang , Seunghan Yang , Kyuhong Shim , Simyung Chang

Large Language Models (LLMs) excel in data synthesis but can be inaccurate in domain-specific tasks, which retrieval-augmented generation (RAG) systems address by leveraging user-provided data. However, RAGs require optimization in both…

Computation and Language · Computer Science 2024-11-05 Kazi Ahmed Asif Fuad , Lizhong Chen

With the rapid development of Large Language Models (LLMs), Retrieval-Augmented Generation (RAG) has become a predominant method in the field of professional knowledge-based question answering. Presently, major foundation model companies…

Artificial Intelligence · Computer Science 2024-01-24 Demiao Lin

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

Retrieval-Augmented Generation (RAG) enhances Large Language Models (LLMs) by integrating them with an external knowledge base to improve the answer relevance and accuracy. In real-world scenarios, beyond pure text, a substantial amount of…

Computation and Language · Computer Science 2025-10-07 Jiaru Zou , Dongqi Fu , Sirui Chen , Xinrui He , Zihao Li , Yada Zhu , Jiawei Han , Jingrui He

Large Language Models (LLMs) have shown remarkable performance on general Question Answering (QA), yet they often struggle in domain-specific scenarios where accurate and up-to-date information is required. Retrieval-Augmented Generation…

Computation and Language · Computer Science 2026-02-13 Haoyue Bai , Haoyu Wang , Shengyu Chen , Zhengzhang Chen , Lu-An Tang , Wei Cheng , Haifeng Chen , Yanjie Fu

Retrieval-augmented generation (RAG) has shown promising potential in knowledge intensive question answering (QA). However, existing approaches only consider the query itself, neither specifying the retrieval preferences for the retrievers…

Information Retrieval · Computer Science 2025-02-18 Zhongwu Chen , Chengjin Xu , Dingmin Wang , Zhen Huang , Yong Dou , Xuhui Jiang , Jian Guo

Large Language Models (LLMs) often generate inaccurate responses (hallucinations) when faced with questions beyond their knowledge scope. Retrieval-Augmented Generation (RAG) addresses this by leveraging external knowledge, but a critical…

Information Retrieval · Computer Science 2025-09-10 Haoxiang Jin , Ronghan Li , Zixiang Lu , Qiguang Miao

Retriever-augmented generation (RAG) has become a widely adopted approach for enhancing the factual accuracy of large language models (LLMs). While current benchmarks evaluate the performance of RAG methods from various perspectives, they…

Information Retrieval · Computer Science 2025-04-08 Kepu Zhang , Zhongxiang Sun , Weijie Yu , Xiaoxue Zang , Kai Zheng , Yang Song , Han Li , Jun Xu

Retrieval-Augmented Generation (RAG) is essential for integrating external knowledge into Large Language Model (LLM) outputs. While the literature on RAG is growing, it primarily focuses on systematic reviews and comparisons of new…

Computation and Language · Computer Science 2024-04-02 Matouš Eibich , Shivay Nagpal , Alexander Fred-Ojala

Retrieval-Augmented Generation (RAG) effectively enhances Large Language Models (LLMs) by incorporating retrieved external knowledge into the generation process. Reasoning models improve LLM performance in multi-hop QA tasks, which require…

Computation and Language · Computer Science 2026-01-21 Guo Chen , Junjie Huang , Huaijin Xie , Fei Sun , Tao Jia

Large Language Models (LLMs) have been integrated into recommender systems to enhance user behavior comprehension. The Retrieval Augmented Generation (RAG) technique is further incorporated into these systems to retrieve more relevant items…

Information Retrieval · Computer Science 2025-03-27 Sichun Luo , Jian Xu , Xiaojie Zhang , Linrong Wang , Sicong Liu , Hanxu Hou , Linqi Song

Retrieval-augmented generation (RAG) techniques leverage the in-context learning capabilities of large language models (LLMs) to produce more accurate and relevant responses. Originating from the simple 'retrieve-then-read' approach, the…

Computation and Language · Computer Science 2024-07-16 Yunxiao Shi , Xing Zi , Zijing Shi , Haimin Zhang , Qiang Wu , Min Xu

Augmenting Large Language Models (LLMs) with information retrieval capabilities (i.e., Retrieval-Augmented Generation (RAG)) has proven beneficial for knowledge-intensive tasks. However, understanding users' contextual search intent when…

Computation and Language · Computer Science 2024-09-25 Nirmal Roy , Leonardo F. R. Ribeiro , Rexhina Blloshmi , Kevin Small

Retrieval-augmented generation (RAG) enhances large language models (LLMs) with external knowledge to answer questions more accurately. However, research on evaluating RAG systems-particularly the retriever component-remains limited, as…

Information Retrieval · Computer Science 2026-04-21 Lorenz Brehme , Thomas Ströhle , Ruth Breu

Large Language Models (LLMs) have shown proficiency in question-answering tasks but often struggle to integrate real-time knowledge, leading to potentially outdated or inaccurate responses. This problem becomes even more challenging when…

Computation and Language · Computer Science 2024-08-15 Yucheng Shi , Qiaoyu Tan , Xuansheng Wu , Shaochen Zhong , Kaixiong Zhou , Ninghao Liu

Medical question-answering (QA) systems can benefit from advances in large language models (LLMs), but directly applying LLMs to the clinical domain poses challenges such as maintaining factual accuracy and avoiding hallucinations. In this…

Computation and Language · Computer Science 2025-12-08 Tasnimul Hassan , Md Faisal Karim , Haziq Jeelani , Elham Behnam , Robert Green , Fayeq Jeelani Syed
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