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Retrieval Augmented Generation (RAG) is emerging as a powerful technique to enhance the capabilities of Generative AI models by reducing hallucination. Thus, the increasing prominence of RAG alongside Large Language Models (LLMs) has…

Computation and Language · Computer Science 2025-11-06 Ranul Dayarathne , Uvini Ranaweera , Upeksha Ganegoda

Retrieval-augmented generation (RAG) introduces additional information to enhance large language models (LLMs). In machine translation (MT), previous work typically retrieves in-context examples from paired MT corpora, or domain-specific…

Computation and Language · Computer Science 2025-09-01 Jiaan Wang , Fandong Meng , Yingxue Zhang , Jie Zhou

Retrieval-augmented Generation (RAG) is powerful, but its effectiveness hinges on which retrievers we use and how. Different retrievers offer distinct, often complementary signals: BM25 captures lexical matches; dense retrievers, semantic…

Information Retrieval · Computer Science 2025-06-23 Jushaan Singh Kalra , Xinran Zhao , To Eun Kim , Fengyu Cai , Fernando Diaz , Tongshuang Wu

Large language models (LLMs) often generate outdated or inaccurate information based on static training datasets. Retrieval-augmented generation (RAG) mitigates this by integrating outside data sources. While previous RAG systems used…

Retrieval-Augmented Generation (RAG) demonstrates great value in alleviating outdated knowledge or hallucination by supplying LLMs with updated and relevant knowledge. However, there are still several difficulties for RAG in understanding…

Computation and Language · Computer Science 2024-04-23 Keheng Wang , Feiyu Duan , Peiguang Li , Sirui Wang , Xunliang Cai

Large language models (LLMs) have recently shown strong potential in audio-visual speech recognition (AVSR), but their high computational demands and sensitivity to token granularity limit their practicality in resource-constrained…

Audio and Speech Processing · Electrical Eng. & Systems 2025-10-07 Umberto Cappellazzo , Minsu Kim , Pingchuan Ma , Honglie Chen , Xubo Liu , Stavros Petridis , Maja Pantic

Retrieval-augmented generation (RAG) has achieved significant success in information retrieval to assist large language models LLMs because it builds an external knowledge database. However, it also has many problems, it consumes a lot of…

Information Retrieval · Computer Science 2025-05-16 Haoyu Kang , Yuzhou Zhu , Yukun Zhong , Ke Wang

Successful defense against dynamically evolving cyber threats requires advanced and sophisticated techniques. This research presents a novel approach to enhance real-time cybersecurity threat detection and response by integrating large…

Cryptography and Security · Computer Science 2025-04-02 Shuva Paul , Farhad Alemi , Richard Macwan

Intrusion Detection and Prevention Systems (IDS/IPS) in large enterprises can generate hundreds of thousands of alerts per hour, overwhelming analysts with logs requiring rapidly evolving expertise. Conventional machine-learning detectors…

Cryptography and Security · Computer Science 2026-02-10 Francesco Blefari , Cristian Cosentino , Francesco Aurelio Pironti , Angelo Furfaro , Fabrizio Marozzo

The paradigm of retrieval-augmented generated (RAG) helps mitigate hallucinations of large language models (LLMs). However, RAG also introduces biases contained within the retrieved documents. These biases can be amplified in scenarios…

Computation and Language · Computer Science 2025-06-24 Bryan Li , Fiona Luo , Samar Haider , Adwait Agashe , Tammy Li , Runqi Liu , Muqing Miao , Shriya Ramakrishnan , Yuan Yuan , Chris Callison-Burch

The rapid advancement of large language models has intensified public concerns about the potential misuse. Therefore, it is important to build trustworthy AI-generated text detection systems. Existing methods neglect stylistic modeling and…

Computation and Language · Computer Science 2025-09-09 Junxi Wu , Jinpeng Wang , Zheng Liu , Bin Chen , Dongjian Hu , Hao Wu , Shu-Tao Xia

Retrieval-Augmented Generation (RAG) is an effective approach to enhance the factual accuracy of large language models (LLMs) by retrieving information from external databases, which are typically composed of diverse sources, to supplement…

Machine Learning · Computer Science 2025-10-15 Jeongyeon Hwang , Junyoung Park , Hyejin Park , Dongwoo Kim , Sangdon Park , Jungseul Ok

Large Language Models (LLMs) are increasingly being used as security engineering tools to summarize and explain malware behavior to analysts. A common assumption is that Retrieval-Augmented Generation (RAG) improves explanation quality by…

Cryptography and Security · Computer Science 2026-05-06 Jayson Ng , Amin Milani Fard

Although Large Language Models (LLMs) demonstrate significant capabilities, their reliance on parametric knowledge often leads to inaccuracies. Retrieval Augmented Generation (RAG) mitigates this by incorporating external knowledge, but…

Artificial Intelligence · Computer Science 2025-11-04 Hailong Yin , Bin Zhu , Jingjing Chen , Chong-Wah Ngo

Retrieval-Augmented Generation (RAG) enhances Large Language Models by grounding their outputs in external documents. These systems, however, remain vulnerable to attacks on the retrieval corpus, such as prompt injection. RAG-based search…

Cryptography and Security · Computer Science 2026-02-17 Zeyu Shen , Basileal Imana , Tong Wu , Chong Xiang , Prateek Mittal , Aleksandra Korolova

Retrieval-Augmented Generation (RAG) has emerged as a powerful approach for grounding Large Language Model (LLM)-based chatbot responses on external knowledge. However, existing RAG studies typically assume well-structured textual sources…

Computation and Language · Computer Science 2026-02-13 Sungmoon Kim , Hyuna Jeon , Dahye Kim , Mingyu Kim , Dong-Kyu Chae , Jiwoong Kim

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

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

Retrieval Augmented Generation (RAG) has gained widespread adoption owing to its capacity to empower large language models (LLMs) to integrate external knowledge. However, existing RAG frameworks are primarily designed for text-based LLMs…

Sound · Computer Science 2025-02-21 Yifu Chen , Shengpeng Ji , Haoxiao Wang , Ziqing Wang , Siyu Chen , Jinzheng He , Jin Xu , Zhou Zhao

Organizations seeking to utilize Large Language Models (LLMs) for knowledge querying and analysis often encounter challenges in maintaining an LLM fine-tuned on targeted, up-to-date information that keeps answers relevant and grounded.…