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Retrieval-augmented generation (RAG) has emerged as a pivotal method for expanding the knowledge of large language models. To handle complex queries more effectively, researchers developed Adaptive-RAG (A-RAG) to enhance the generated…

Artificial Intelligence · Computer Science 2025-05-27 Jie Ou , Jinyu Guo , Shuaihong Jiang , Zhaokun Wang , Libo Qin , Shunyu Yao , Wenhong Tian

Retrieval-Augmented Generation (RAG) systems typically face constraints because of their inherent mechanism: a simple top-k semantic search [1]. The approach often leads to the incorporation of irrelevant or redundant information in the…

Computation and Language · Computer Science 2025-09-03 Andreas Ottem

Memes have become a dominant form of communication in social media in recent years. Memes are typically humorous and harmless, however there are also memes that promote hate speech, being in this way harmful to individuals and groups based…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Maria Tzelepi , Vasileios Mezaris

Humans understand long and complex texts by relying on a holistic semantic representation of the content. This global view helps organize prior knowledge, interpret new information, and integrate evidence dispersed across a document, as…

Computation and Language · Computer Science 2026-05-29 Yuqing Li , Jiangnan Li , Zheng Lin , Ziyan Zhou , Junjie Wu , Weiping Wang , Jie Zhou , Mo Yu

The robustness of recent Large Language Models (LLMs) has become increasingly crucial as their applicability expands across various domains and real-world applications. Retrieval-Augmented Generation (RAG) is a promising solution for…

Computation and Language · Computer Science 2024-10-23 Sukmin Cho , Soyeong Jeong , Jeongyeon Seo , Taeho Hwang , Jong C. Park

Large language models (LLMs) are widely used in retrieval-augmented generation (RAG) to incorporate external knowledge at inference time. However, when retrieved contexts are noisy, incomplete, or heterogeneous, a single generation process…

Computation and Language · Computer Science 2026-04-22 Xingchen Xiao , Heyan Huang , Runheng Liu , Jincheng Xie

Advanced Multimodal Large Language Models (MLLMs) struggle with recent Knowledge-based VQA tasks, such as INFOSEEK and Encyclopedic-VQA, due to their limited and frozen knowledge scope, often leading to ambiguous and inaccurate responses.…

Artificial Intelligence · Computer Science 2024-11-25 Tao Zhang , Ziqi Zhang , Zongyang Ma , Yuxin Chen , Zhongang Qi , Chunfeng Yuan , Bing Li , Junfu Pu , Yuxuan Zhao , Zehua Xie , Jin Ma , Ying Shan , Weiming Hu

Retrieval-augmented generation (RAG) enhances factual grounding by integrating retrieval mechanisms with generative models but introduces new attack surfaces, particularly through backdoor attacks. While prior research has largely focused…

Information Retrieval · Computer Science 2025-09-29 Gaurav Bagwe , Saket S. Chaturvedi , Xiaolong Ma , Xiaoyong Yuan , Kuang-Ching Wang , Lan Zhang

The growing adoption of Retrieval-Augmented Generation (RAG) has led to a rise in adversarial attacks. Existing defenses, relying on semantic analysis or voting, face a trade-off between high computational cost and limited robustness under…

Cryptography and Security · Computer Science 2026-05-20 Chengcai Gao , Zhihong Sun , Xiaochuan Shi , Qiufeng Wang , Chao Liang

Medical question answering (QA) requires extensive access to domain-specific knowledge. A promising direction is to enhance large language models (LLMs) with external knowledge retrieved from medical corpora or parametric knowledge stored…

Computation and Language · Computer Science 2025-10-22 Lei Li , Xiao Zhou , Yingying Zhang , Xian Wu

The deployment of large language models (LLMs) like ChatGPT and Gemini has shown their powerful natural language generation capabilities. However, these models can inadvertently learn and retain sensitive information and harmful content…

Cryptography and Security · Computer Science 2025-10-14 Shang Wang , Tianqing Zhu , Dayong Ye , Wanlei Zhou

Retrieval Augmented Generation (RAG) is a technique commonly used to equip models with out of distribution knowledge. This process involves collecting, indexing, retrieving, and providing information to an LLM for generating responses.…

Cryptography and Security · Computer Science 2024-08-13 Gianluca De Stefano , Lea Schönherr , Giancarlo Pellegrino

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

Retrieval-augmented generation (RAG) has become a common strategy for updating large language model (LLM) responses with current, external information. However, models may still rely on memorized training data, bypass the retrieved…

Machine Learning · Computer Science 2025-06-19 Le Vu Anh , Nguyen Viet Anh , Mehmet Dik , Luong Van Nghia

Retrieval-Augmented Generation (RAG) has emerged as a prominent method for incorporating domain knowledge into Large Language Models (LLMs). While RAG enhances response relevance by incorporating retrieved domain knowledge in the context,…

Computation and Language · Computer Science 2025-03-28 Kushagra Bhushan , Yatin Nandwani , Dinesh Khandelwal , Sonam Gupta , Gaurav Pandey , Dinesh Raghu , Sachindra Joshi

Retrieval-augmented generation (RAG) is a paradigm that augments large language models (LLMs) with external knowledge to tackle knowledge-intensive question answering. While several benchmarks evaluate Multimodal LLMs (MLLMs) under…

Computation and Language · Computer Science 2025-08-18 Yin Wu , Quanyu Long , Jing Li , Jianfei Yu , Wenya Wang

Retrieval-augmented generation (RAG) is increasingly deployed in real-world applications, where its reference-grounded design makes outputs appear trustworthy. This trust has spurred research on poisoning attacks that craft malicious…

Cryptography and Security · Computer Science 2026-02-09 Haoyang Hu , Zhejun Jiang , Yueming Lyu , Junyuan Zhang , Yi Liu , Ka-Ho Chow

Modern approaches to enhancing Large Language Models' factual accuracy and knowledge utilization face a fundamental trade-off: non-parametric retrieval-augmented generation (RAG) provides flexible access to external knowledge but suffers…

Computation and Language · Computer Science 2026-03-02 Rubin Wei , Jiaqi Cao , Jiarui Wang , Jushi Kai , Qipeng Guo , Bowen Zhou , Zhouhan Lin

Retrieval-Augmented Generation (RAG) is a promising technique for applying LLMs to proprietary domains. However, retrieved documents may contain sensitive knowledge, posing risks of privacy leakage in generative results. Thus, effectively…

Computation and Language · Computer Science 2025-04-15 Yujing Wang , Hainan Zhang , Liang Pang , Yongxin Tong , Binghui Guo , Hongwei Zheng , Zhiming Zheng

Retrieval-augmented generation (RAG) improves performance on knowledge-intensive tasks but can be derailed by wrong, irrelevant, or conflicting retrieved text, causing models to rely on inaccurate evidence and cascade errors. We propose…

Computation and Language · Computer Science 2026-02-26 Chenyu Lin , Yilin Wen , Du Su , Hexiang Tan , Fei Sun , Muhan Chen , Chenfu Bao , Zhonghou Lyu