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Retrieval-augmented generation (RAG) enhances the question-answering (QA) abilities of large language models (LLMs) by integrating external knowledge. However, adapting general-purpose RAG systems to specialized fields such as science and…

计算与语言 · 计算机科学 2025-01-28 Ran Xu , Hui Liu , Sreyashi Nag , Zhenwei Dai , Yaochen Xie , Xianfeng Tang , Chen Luo , Yang Li , Joyce C. Ho , Carl Yang , Qi He

Large Language Models (LLMs) are smart but forgetful. Recent studies, (e.g., (Bubeck et al., 2023)) on modern LLMs have shown that they are capable of performing amazing tasks typically necessitating human-level intelligence. However,…

计算与语言 · 计算机科学 2023-11-08 Eric Melz

In real-world recommender systems, different retrieval objectives are typically addressed using task-specific datasets with carefully designed model architectures. We demonstrate that Large Language Models (LLMs) can function as universal…

信息检索 · 计算机科学 2025-05-20 Junguang Jiang , Yanwen Huang , Bin Liu , Xiaoyu Kong , Xinhang Li , Ziru Xu , Han Zhu , Jian Xu , Bo Zheng

Deep neural networks have achieved state-of-the-art results in various vision and/or language tasks. Despite the use of large training datasets, most models are trained by iterating over single input-output pairs, discarding the remaining…

计算与语言 · 计算机科学 2021-04-27 Rita Parada Ramos , Patrícia Pereira , Helena Moniz , Joao Paulo Carvalho , Bruno Martins

Retrieval-Augmented Generation (RAG) aims to augment the capabilities of Large Language Models (LLMs) by retrieving and incorporate external documents or chunks prior to generation. However, even improved retriever relevance can brings…

计算与语言 · 计算机科学 2025-04-29 Sha Li , Naren Ramakrishnan

Augmenting a language model (LM) with $k$-nearest neighbors ($k$NN) retrieval on its training data alone can decrease its perplexity, though the underlying reasons for this remain elusive. In this work, we rule out one previously posited…

计算与语言 · 计算机科学 2024-04-03 Ting-Rui Chiang , Xinyan Velocity Yu , Joshua Robinson , Ollie Liu , Isabelle Lee , Dani Yogatama

The increasing size and complexity of pre-trained language models have demonstrated superior performance in many applications, but they usually require large training datasets to be adequately trained. Insufficient training sets could…

计算与语言 · 计算机科学 2025-02-03 Yaping Chai , Haoran Xie , Joe S. Qin

A Comparison of Independent and Joint Fine-tuning Strategies for Retrieval-Augmented Generation Download PDF Neal Gregory Lawton, Alfy Samuel, Anoop Kumar, Daben Liu Published: 20 Aug 2025, Retrieval augmented generation (RAG) is a popular…

计算与语言 · 计算机科学 2025-10-21 Neal Gregory Lawton , Alfy Samuel , Anoop Kumar , Daben Liu

Large Language Models (LLMs) are powerful but prone to hallucinations due to static knowledge. Retrieval-Augmented Generation (RAG) helps by injecting external information, but current methods often are costly, generalize poorly, or ignore…

Conversational search requires accurate interpretation of user intent from complex multi-turn contexts. This paper presents ChatRetriever, which inherits the strong generalization capability of large language models to robustly represent…

信息检索 · 计算机科学 2024-04-23 Kelong Mao , Chenlong Deng , Haonan Chen , Fengran Mo , Zheng Liu , Tetsuya Sakai , Zhicheng Dou

LLMs confront inherent limitations in terms of its knowledge, memory, and action. The retrieval augmentation stands as a vital mechanism to address these limitations, which brings in useful information from external sources to augment the…

信息检索 · 计算机科学 2026-01-06 Peitian Zhang , Shitao Xiao , Zheng Liu , Zhicheng Dou , Jian-Yun Nie

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

Tool learning aims to enhance and expand large language models' (LLMs) capabilities with external tools, which has gained significant attention recently. Current methods have shown that LLMs can effectively handle a certain amount of tools…

计算与语言 · 计算机科学 2024-10-01 Qiancheng Xu , Yongqi Li , Heming Xia , Wenjie Li

Retrieval-Augmented Generation (RAG) has emerged as a powerful framework for knowledge-intensive tasks, yet its effectiveness in long-context scenarios is often bottlenecked by the retriever's inability to distinguish sparse yet crucial…

信息检索 · 计算机科学 2026-04-14 Hang Ding , Jiawei Zhou , Haiyun Jiang

While retrieval techniques are widely used in practice, they still face significant challenges in cross-domain scenarios. Recently, generation-augmented methods have emerged as a promising solution to this problem. These methods enhance raw…

计算与语言 · 计算机科学 2025-02-18 Chaofan Li , Zheng Liu , Jianlyv Chen , Defu Lian , Yingxia Shao

We present a reality check on large language models and inspect the promise of retrieval augmented language models in comparison. Such language models are semi-parametric, where models integrate model parameters and knowledge from external…

计算与语言 · 计算机科学 2023-06-05 Wang-Chiew Tan , Yuliang Li , Pedro Rodriguez , Richard James , Xi Victoria Lin , Alon Halevy , Scott Yih

Retrieval Augmented Generation (RAG) is a technique used to augment Large Language Models (LLMs) with contextually relevant, time-critical, or domain-specific information without altering the underlying model parameters. However,…

信息检索 · 计算机科学 2024-08-20 Laurent Mombaerts , Terry Ding , Adi Banerjee , Florian Felice , Jonathan Taws , Tarik Borogovac

Adaptive retrieval-augmented generation (ARAG) aims to dynamically determine the necessity of retrieval for queries instead of retrieving indiscriminately to enhance the efficiency and relevance of the sourced information. However, previous…

计算与语言 · 计算机科学 2024-06-06 Zihan Zhang , Meng Fang , Ling Chen

Large language models (LLMs) exhibit remarkable capabilities but often produce inaccurate responses, as they rely solely on their embedded knowledge. Retrieval-Augmented Generation (RAG) enhances LLMs by incorporating an external…

计算与语言 · 计算机科学 2024-09-25 Nitin Aravind Birur , Tanay Baswa , Divyanshu Kumar , Jatan Loya , Sahil Agarwal , Prashanth Harshangi

Pre-trained contrastive vision-language models have demonstrated remarkable performance across a wide range of tasks. However, they often struggle on fine-trained datasets with categories not adequately represented during pre-training,…

机器学习 · 计算机科学 2024-05-03 Yifei Ming , Yixuan Li