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Retrieval-Augmented Generation (RAG) leverages large language models (LLMs) combined with external contexts to enhance the accuracy and reliability of generated responses. However, reliably attributing generated content to specific context…

Computation and Language · Computer Science 2026-02-12 Ruizhe Li , Chen Chen , Yuchen Hu , Yanjun Gao , Xi Wang , Emine Yilmaz

Retrieval-Augmented Generation (RAG) has emerged as a powerful approach to mitigate large language model (LLM) hallucinations by incorporating external knowledge retrieval. However, existing RAG frameworks often apply retrieval…

Information Retrieval · Computer Science 2025-07-29 Jinyan Su , Jennifer Healey , Preslav Nakov , Claire Cardie

The efficient processing of long context poses a serious challenge for large language models (LLMs). Recently, retrieval-augmented generation (RAG) has emerged as a promising strategy for this problem, as it enables LLMs to make selective…

Computation and Language · Computer Science 2025-02-18 Kun Luo , Zheng Liu , Peitian Zhang , Hongjin Qian , Jun Zhao , Kang Liu

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…

Computation and Language · Computer Science 2026-03-26 Kaize Shi , Xueyao Sun , Qika Lin , Firoj Alam , Qing Li , Xiaohui Tao , Guandong Xu

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…

Information Retrieval · Computer Science 2026-04-14 Hang Ding , Jiawei Zhou , Haiyun Jiang

While long-context inference is crucial for advancing large language model (LLM) applications, its prefill speed remains a significant bottleneck. Current approaches, including sequence parallelism strategies and compute reduction through…

Machine Learning · Computer Science 2025-05-27 Yuxiang Huang , Mingye Li , Xu Han , Chaojun Xiao , Weilin Zhao , Sun Ao , Hao Zhou , Jie Zhou , Zhiyuan Liu , Maosong Sun

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…

Computation and Language · Computer Science 2024-06-06 Zihan Zhang , Meng Fang , Ling Chen

Retrieved documents containing noise will hinder RAG from detecting answer clues and make the inference process slow and expensive. Therefore, context compression is necessary to enhance its accuracy and efficiency. Existing context…

Computation and Language · Computer Science 2026-04-28 Qianchi Zhang , Hainan Zhang , Liang Pang , Hongwei Zheng , Zhiming Zheng

Retrieval-Augmented Generation (RAG) systems depend critically on document chunking quality for retrieving relevant context. Fixed chunking segments documents into uniform units irrespective of semantics or user intent, producing a…

Computation and Language · Computer Science 2026-05-27 Mudit Rastogi

Retrieval-Augmented Generation (RAG) is a prevalent approach to infuse a private knowledge base of documents with Large Language Models (LLM) to build Generative Q\&A (Question-Answering) systems. However, RAG accuracy becomes increasingly…

Information Retrieval · Computer Science 2025-03-10 Kunal Sawarkar , Abhilasha Mangal , Shivam Raj Solanki

Retrieval-Augmented Generation (RAG) compensates for the static knowledge limitations of Large Language Models (LLMs) by integrating external knowledge, producing responses with enhanced factual correctness and query-specific…

Computation and Language · Computer Science 2025-05-21 Ruobing Yao , Yifei Zhang , Shuang Song , Neng Gao , Chenyang Tu

Retrieval-augmented generation (RAG) is increasingly deployed in enterprise search and document-centric assistants, where responses must be grounded in long and complex source materials. In practice, verifying that generated answers…

Computation and Language · Computer Science 2026-03-26 Xunzhuo Liu , Bowei He , Xue Liu , Haichen Zhang , Huamin Chen

Rotary Positional Encoding (RoPE) is widely used in modern large language models. However, when sequences are extended beyond the range seen during training, rotary phases can enter out-of-distribution regimes, leading to spurious…

Machine Learning · Computer Science 2026-05-12 Riccardo Ali , Alessio Borgi , Christopher Irwin , Mario Severino , Pietro Liò

Retrieval-Augmented Generation (RAG) has become an essential approach for extending the reasoning and knowledge capacity of large language models (LLMs). While prior research has primarily focused on retrieval quality and prompting…

Computation and Language · Computer Science 2025-12-09 Jiamin Chen , Yuchen Li , Xinyu Ma , Xinran Chen , Xiaokun Zhang , Shuaiqiang Wang , Chen Ma , Dawei Yin

In the era of large language models, applying techniques such as Retrieval Augmented Generation can better address Open-Domain Question-Answering problems. Due to constraints including model sizes and computing resources, the length of…

Computation and Language · Computer Science 2024-12-24 Zhuo Chen , Xinyu Wang , Yong Jiang , Pengjun Xie , Fei Huang , Kewei Tu

Naive Retrieval-Augmented Generation (RAG) focuses on individual documents during retrieval and, as a result, falls short in handling networked documents which are very popular in many applications such as citation graphs, social media, and…

Machine Learning · Computer Science 2025-07-15 Yuntong Hu , Zhihan Lei , Zheng Zhang , Bo Pan , Chen Ling , Liang Zhao

Context parallelism has emerged as a key technique to support long-context training, a growing trend in generative AI for modern large models. However, existing context parallel methods rely on static parallelization configurations that…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-10-14 Chenyu Jiang , Zhenkun Cai , Ye Tian , Zhen Jia , Yida Wang , Chuan Wu

Incorporating specific knowledge into large language models via retrieval-augmented generation (RAG) is a widespread technique that fuels many of today's industry AI applications. A fundamental problem is to assess if the context retrieved…

Information Retrieval · Computer Science 2026-05-08 Florian Geissler , Francesco Carella , Laura Fieback , Jakob Spiegelberg

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…

Information Retrieval · Computer Science 2025-12-17 Malika Iratni , Mohand Boughanem , Taoufiq Dkaki

Recent investigations into effective context lengths of modern flagship large language models (LLMs) have revealed major limitations in effective question answering (QA) and reasoning over long and complex contexts for even the largest and…

Computation and Language · Computer Science 2025-10-28 Anwesan Pal , Karen Hovsepian , Tinghao Guo , Mengnan Zhao , Somendra Tripathi , Nikos Kanakaris , George Mihaila , Sumit Nigam
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