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相关论文: Embedding-Based Context-Aware Reranker

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Automated short answer grading (ASAG) is critical for scaling educational assessment, yet large language models (LLMs) often struggle with hallucinations and strict rubric adherence due to their reliance on generalized pre-training. While…

计算与语言 · 计算机科学 2026-03-23 Yucheng Chu , Haoyu Han , Shen Dong , Hang Li , Kaiqi Yang , Yasemin Copur-Gencturk , Joseph Krajcik , Namsoo Shin , Hui Liu

Modern retrieval-augmented generation (RAG) systems treat vector embeddings as static, context-free artifacts: an embedding has no notion of when it was created, how trustworthy its source is, or which other embeddings depend on it. This…

信息检索 · 计算机科学 2026-04-23 Naizhong Xu

A context-aware recommender system (CARS) applies sensing and analysis of user context to provide personalized services. The contextual information can be driven from sensors in order to improve the accuracy of the recommendations. Yet,…

机器学习 · 计算机科学 2022-08-10 Amit Livne , Eliad Shem Tov , Adir Solomon , Achiya Elyasaf , Bracha Shapira , Lior Rokach

Since large language models (LLMs) have a tendency to generate factually inaccurate output, retrieval-augmented generation (RAG) has gained significant attention as a key means to mitigate this downside of harnessing only LLMs. However,…

计算与语言 · 计算机科学 2025-12-18 Youmin Ko , Sungjong Seo , Hyunjoon Kim

Multilingual vision-language models have made significant strides in image captioning, yet they still lag behind their English counterparts due to limited multilingual training data and costly large-scale model parameterization.…

计算与语言 · 计算机科学 2025-07-29 George Ibrahim , Rita Ramos , Yova Kementchedjhieva

With the rapid development of large-scale language models, Retrieval-Augmented Generation (RAG) has been widely adopted. However, existing RAG paradigms are inevitably influenced by erroneous retrieval information, thereby reducing the…

信息检索 · 计算机科学 2024-05-30 Ridong Wu , Shuhong Chen , Xiangbiao Su , Yuankai Zhu , Yifei Liao , Jianming Wu

Recent advancements in Retrieval-Augmented Generation (RAG) have enabled Large Language Models to answer financial questions using external knowledge bases of U.S. SEC filings, earnings reports, and regulatory documents. However, existing…

Retrieval-augmented generation (RAG) enhances large language models (LLMs) by incorporating external documents at inference time, enabling up-to-date knowledge access without costly retraining. However, conventional RAG methods retrieve…

计算与语言 · 计算机科学 2025-07-08 Ting-Wen Ko , Jyun-Yu Jiang , Pu-Jen Cheng

Retrieval-augmented generation (RAG) effectively addresses issues of static knowledge and hallucination in large language models. Existing studies mostly focus on question scenarios with clear user intents and concise answers. However, it…

计算与语言 · 计算机科学 2025-02-18 Shuting Wang , Xin Yu , Mang Wang , Weipeng Chen , Yutao Zhu , Zhicheng Dou

Large language models (LLMs) have the remarkable ability to solve new tasks with just a few examples, but they need access to the right tools. Retrieval Augmented Generation (RAG) addresses this problem by retrieving a list of relevant…

信息检索 · 计算机科学 2023-12-12 Raviteja Anantha , Tharun Bethi , Danil Vodianik , Srinivas Chappidi

The growing demand for efficient and lightweight Retrieval-Augmented Generation (RAG) systems has highlighted significant challenges when deploying Small Language Models (SLMs) in existing RAG frameworks. Current approaches face severe…

人工智能 · 计算机科学 2025-01-28 Tianyu Fan , Jingyuan Wang , Xubin Ren , Chao Huang

Graph-based Retrieval-Augmented Generation (Graph-RAG) enhances large language models (LLMs) by structuring retrieval over an external corpus. However, existing approaches typically assume a static corpus, requiring expensive full-graph…

The classical cascading pipeline of retrieve--rerank suffers from a bounded recall problem, stemming from limitations of the first-stage retriever. Most current approaches address the bounded recall problem by improving the first-stage…

信息检索 · 计算机科学 2026-05-01 Mandeep Rathee , V Venktesh , Sean MacAvaney , Avishek Anand

Retrieval-augmented generation (RAG) has shown promising results in enhancing Q&A by incorporating information from the web and other external sources. However, the supporting documents retrieved from the heterogeneous web often originate…

计算与语言 · 计算机科学 2026-03-26 Kaize Shi , Xueyao Sun , Qika Lin , Firoj Alam , Qing Li , Xiaohui Tao , Guandong Xu

Efficient question-answering (QA) over extensive scientific literature is essential for evidence-based engineering decision-making. Retrieval-augmented generation (RAG) is increasingly applied to question-answering over long academic…

信息检索 · 计算机科学 2026-03-20 Rui Yu , Tianyi Wang , Ruixia Liu , Yinglong Wang

Recent advances in Large Language Models (LLMs) have significantly improved complex reasoning capabilities. Retrieval-Augmented Generation (RAG) has further extended these capabilities by grounding generation in dynamically retrieved…

计算与语言 · 计算机科学 2026-02-23 Jash Rajesh Parekh , Pengcheng Jiang , Jiawei Han

Retrieval Augmented Generation (RAG) enhances language model performance by incorporating external knowledge retrieved from large corpora, which makes it highly suitable for tasks such as open domain question answering. Standard RAG systems…

信息检索 · 计算机科学 2025-12-17 Malika Iratni , Mohand Boughanem , Taoufiq Dkaki

Retrieval-Augmented Generation (RAG) is increasingly employed in generative AI-driven scientific workflows to integrate rapidly evolving scientific knowledge bases, yet its reliability is frequently compromised by non-determinism in their…

分布式、并行与集群计算 · 计算机科学 2025-09-24 Baiqiang Wang , Dongfang Zhao , Nathan R Tallent , Luanzheng Guo

In this paper, we introduce Technical-Embeddings, a novel framework designed to optimize semantic retrieval in technical documentation, with applications in both hardware and software development. Our approach addresses the challenges of…

信息检索 · 计算机科学 2025-09-05 Songjiang Lai , Tsun-Hin Cheung , Ka-Chun Fung , Kaiwen Xue , Kwan-Ho Lin , Yan-Ming Choi , Vincent Ng , Kin-Man Lam

This paper introduces xRAG, an innovative context compression method tailored for retrieval-augmented generation. xRAG reinterprets document embeddings in dense retrieval--traditionally used solely for retrieval--as features from the…

计算与语言 · 计算机科学 2024-12-10 Xin Cheng , Xun Wang , Xingxing Zhang , Tao Ge , Si-Qing Chen , Furu Wei , Huishuai Zhang , Dongyan Zhao