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In the era of Large Language Models (LLMs), Retrieval-Augmented Generation (RAG) architectures are gaining significant attention for their ability to ground language generation in reliable knowledge sources. Despite their effectiveness, RAG…

信息检索 · 计算机科学 2026-05-11 Francesco Granata , Francesco Poggi , Misael Mongiovì

Retrieval-augmented generation (RAG) has emerged as a popular solution to mitigate the hallucination issues of large language models. However, existing studies on RAG seldom address the issue of predictive uncertainty, i.e., how likely it…

计算与语言 · 计算机科学 2024-12-05 Lu Chen , Ruqing Zhang , Jiafeng Guo , Yixing Fan , Xueqi Cheng

Short answer assessment is a vital component of science education, allowing evaluation of students' complex three-dimensional understanding. Large language models (LLMs) that possess human-like ability in linguistic tasks are increasingly…

计算与语言 · 计算机科学 2025-06-05 Yucheng Chu , Peng He , Hang Li , Haoyu Han , Kaiqi Yang , Yu Xue , Tingting Li , Joseph Krajcik , Jiliang Tang

Retrieval-Augmented Generation (RAG) has become a foundational paradigm for equipping large language models (LLMs) with external knowledge, playing a critical role in information retrieval and knowledge-intensive applications. However,…

计算与语言 · 计算机科学 2025-06-10 Weihang Su , Qingyao Ai , Jingtao Zhan , Qian Dong , Yiqun Liu

Large Vision-Language Models (LVLMs) have made remarkable strides in multimodal tasks such as visual question answering, visual grounding, and complex reasoning. However, they remain limited by static training data, susceptibility to…

人工智能 · 计算机科学 2025-08-27 Chan-Wei Hu , Yueqi Wang , Shuo Xing , Chia-Ju Chen , Suofei Feng , Ryan Rossi , Zhengzhong Tu

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…

计算与语言 · 计算机科学 2025-02-24 Juntae Lee , Jihwan Bang , Seunghan Yang , Kyuhong Shim , Simyung Chang

The recently developed retrieval-augmented generation (RAG) technology has enabled the efficient construction of domain-specific applications. However, it also has limitations, including the gap between vector similarity and the relevance…

Retrieval-Augmented Generation (RAG) systems commonly suffer from Knowledge Conflicts, where retrieved external knowledge contradicts the inherent, parametric knowledge of large language models (LLMs). It adversely affects performance on…

计算与语言 · 计算机科学 2025-10-07 Nan Huo , Jinyang Li , Bowen Qin , Ge Qu , Xiaolong Li , Xiaodong Li , Chenhao Ma , Reynold Cheng

Accurately simulating human opinion dynamics is crucial for understanding a variety of societal phenomena, including polarization and the spread of misinformation. However, the agent-based models (ABMs) commonly used for such simulations…

Personalized retrieval-augmented generation (RAG) aims to produce user-tailored responses by incorporating retrieved user profiles alongside the input query. Existing methods primarily focus on improving retrieval and rely on large language…

信息检索 · 计算机科学 2025-08-12 Kepu Zhang , Teng Shi , Weijie Yu , Jun Xu

Retrieval-Augmented Generation (RAG) has emerged as a reliable external knowledge augmentation technique to mitigate hallucination issues and parameterized knowledge limitations in Large Language Models (LLMs). Existing adaptive RAG (ARAG)…

计算与语言 · 计算机科学 2025-04-08 Qingfei Zhao , Ruobing Wang , Yukuo Cen , Daren Zha , Shicheng Tan , Jie Tang

Retrieval-Augmented Generation (RAG) is widely adopted for its effectiveness and cost-efficiency in mitigating hallucinations and enhancing the domain-specific generation capabilities of large language models (LLMs). However, is this…

信息检索 · 计算机科学 2024-10-11 Mengxuan Hu , Hongyi Wu , Zihan Guan , Ronghang Zhu , Dongliang Guo , Daiqing Qi , Sheng Li

This study develops a question-answering system based on Retrieval-Augmented Generation (RAG) using Chinese Wikipedia and Lawbank as retrieval sources. Using TTQA and TMMLU+ as evaluation datasets, the system employs BGE-M3 for dense vector…

信息检索 · 计算机科学 2025-01-17 Te-Lun Yang , Jyi-Shane Liu , Yuen-Hsien Tseng , Jyh-Shing Roger Jang

Retrieval Augmented Generation (RAG) works as a backbone for interacting with an enterprise's own data via Conversational Question Answering (ConvQA). In a RAG system, a retriever fetches passages from a collection in response to a…

计算与语言 · 计算机科学 2024-12-24 Rishiraj Saha Roy , Joel Schlotthauer , Chris Hinze , Andreas Foltyn , Luzian Hahn , Fabian Kuech

Large language model (LLM) agents are increasingly employing retrieval-augmented generation (RAG) to improve the factuality of their responses. However, in practice, these systems often need to handle ambiguous user queries and potentially…

计算与语言 · 计算机科学 2025-08-13 Han Wang , Archiki Prasad , Elias Stengel-Eskin , Mohit Bansal

Large pre-trained language models have been shown to store factual knowledge in their parameters, and achieve state-of-the-art results when fine-tuned on downstream NLP tasks. However, their ability to access and precisely manipulate…

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…

信息检索 · 计算机科学 2025-09-29 Gaurav Bagwe , Saket S. Chaturvedi , Xiaolong Ma , Xiaoyong Yuan , Kuang-Ching Wang , Lan Zhang

Large language models (LLMs) have shown promise in medical question answering but often struggle with hallucinations and shallow reasoning, particularly in tasks requiring nuanced clinical understanding. Retrieval-augmented generation (RAG)…

计算与语言 · 计算机科学 2025-08-25 Ziyu Wang , Elahe Khatibi , Amir M. Rahmani

Large Multimodal Models (LMMs) have achieved remarkable progress in generating photorealistic and prompt-aligned images, but they often produce outputs that contradict verifiable knowledge, especially when prompts involve fine-grained…

计算机视觉与模式识别 · 计算机科学 2025-10-28 Yang Tian , Fan Liu , Jingyuan Zhang , Wei Bi , Yupeng Hu , Liqiang Nie

Medical Question Answering systems based on Retrieval Augmented Generation is promising for clinical decision support because they can integrate external knowledge, thus reducing inaccuracies inherent in standalone large language models…

计算与语言 · 计算机科学 2025-03-28 Yuelyu Ji , Hang Zhang , Yanshan Wang