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相关论文: Lost-in-the-Middle in Long-Text Generation: Synthe…

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Retrieval-Augmented Generation (RAG) has emerged as a powerful framework to improve factuality in large language models (LLMs) by grounding their outputs in retrieved documents. However, ensuring perfect retrieval of relevant information…

计算与语言 · 计算机科学 2025-12-04 Zhan Peng Lee , Andre Lin , Calvin Tan

Recent advancements in Large Language Models (LLMs) underscore the necessity of Retrieval Augmented Generation (RAG) to leverage external information. However, LLMs are sensitive to the position of relevant information within contexts and…

人工智能 · 计算机科学 2025-01-24 Philhoon Oh , Jinwoo Shin , James Thorne

Large Language Models (LLMs), with their exceptional ability to handle a wide range of tasks, have driven significant advancements in tackling reasoning and planning tasks, wherein decomposing complex problems into executable workflows is a…

计算与语言 · 计算机科学 2025-02-25 Shuofei Qiao , Runnan Fang , Zhisong Qiu , Xiaobin Wang , Ningyu Zhang , Yong Jiang , Pengjun Xie , Fei Huang , Huajun Chen

Long-context large language models (LLMs) hold promise for tasks such as question-answering (QA) over long documents, but they tend to miss important information in the middle of context documents (arXiv:2307.03172v3). Here, we introduce…

计算与语言 · 计算机科学 2024-03-11 Devanshu Agrawal , Shang Gao , Martin Gajek

Although large language models (LLMs) demonstrate strong text generation capabilities, they struggle in scenarios requiring access to structured knowledge bases or specific documents, limiting their effectiveness in knowledge-intensive…

计算与语言 · 计算机科学 2025-01-24 Gustavo Kuratomi , Paulo Pirozelli , Fabio G. Cozman , Sarajane M. Peres

The rapid expansion of information from diverse sources has heightened the need for effective automatic text summarization, which condenses documents into shorter, coherent texts. Summarization methods generally fall into two categories:…

计算与语言 · 计算机科学 2025-06-24 Aziz Amari , Mohamed Achref Ben Ammar

Large Language Models (LLMs) have enabled a wide range of applications through their powerful capabilities in language understanding and generation. However, as LLMs are trained on static corpora, they face difficulties in addressing…

计算与语言 · 计算机科学 2025-10-13 Yongjie Wang , Yue Yu , Kaisong Song , Jun Lin , Zhiqi Shen

The Generative Adversarial Network (GAN) has achieved great success in generating realistic (real-valued) synthetic data. However, convergence issues and difficulties dealing with discrete data hinder the applicability of GAN to text. We…

机器学习 · 统计学 2017-11-21 Yizhe Zhang , Zhe Gan , Kai Fan , Zhi Chen , Ricardo Henao , Dinghan Shen , Lawrence Carin

The development of state-of-the-art large language models is commonly understood as a two-stage process involving pre-training and post-training. We point out the need for an additional intermediate stage called reinforcement mid-training…

计算与语言 · 计算机科学 2025-09-30 Yijun Tian , Shaoyu Chen , Zhichao Xu , Yawei Wang , Jinhe Bi , Peng Han , Wei Wang

Large language models (LLMs) have convincing performance in a variety of downstream tasks. However, these systems are prone to generating undesirable outputs such as harmful and biased text. In order to remedy such generations, the…

计算与语言 · 计算机科学 2025-08-08 Manish Nagireddy , Inkit Padhi , Soumya Ghosh , Prasanna Sattigeri

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…

人工智能 · 计算机科学 2025-11-04 Hailong Yin , Bin Zhu , Jingjing Chen , Chong-Wah Ngo

Recent advancements in autoregressive and diffusion models have led to strong performance in image generation with short scene text words. However, generating coherent, long-form text in images, such as paragraphs in slides or documents,…

计算机视觉与模式识别 · 计算机科学 2025-03-27 Alex Jinpeng Wang , Linjie Li , Zhengyuan Yang , Lijuan Wang , Min Li

Current Large Language Models (LLMs) face inherent limitations due to their pre-defined context lengths, which impede their capacity for multi-hop reasoning within extensive textual contexts. While existing techniques like…

计算与语言 · 计算机科学 2024-06-19 Weizhi Fei , Xueyan Niu , Guoqing Xie , Yanhua Zhang , Bo Bai , Lei Deng , Wei Han

Retrieval-augmented generation (RAG) systems have been widely adopted in contemporary large language models (LLMs) due to their ability to improve generation quality while reducing the required input context length. In this work, we focus…

计算与语言 · 计算机科学 2026-04-07 Tianyi Zhang , Andreas Marfurt

Since many real-world documents combine textual and tabular data, robust Retrieval Augmented Generation (RAG) systems are essential for effectively accessing and analyzing such content to support complex reasoning tasks. Therefore, this…

信息检索 · 计算机科学 2026-01-19 Jan Strich , Enes Kutay Isgorur , Maximilian Trescher , Chris Biemann , Martin Semmann

Language models have demonstrated the ability to generate highly fluent text; however, it remains unclear whether their output retains coherent high-level structure (e.g., story progression). Here, we propose to apply a statistical tool,…

计算与语言 · 计算机科学 2022-10-18 Yuntian Deng , Volodymyr Kuleshov , Alexander M. Rush

Retrieval Augmented Generation (RAG) has emerged as a crucial technique for enhancing the accuracy of Large Language Models (LLMs) by incorporating external information. With the advent of LLMs that support increasingly longer context…

机器学习 · 计算机科学 2024-11-07 Quinn Leng , Jacob Portes , Sam Havens , Matei Zaharia , Michael Carbin

Machine translation benchmarks sourced from the real world are quickly obsoleted, due to most examples being easy for state-of-the-art translation models. This limits the benchmark's ability to distinguish which model is better or to reveal…

计算与语言 · 计算机科学 2025-10-03 Vilém Zouhar , Wenda Xu , Parker Riley , Juraj Juraska , Mara Finkelstein , Markus Freitag , Daniel Deutsch

In real-world applications with Large Language Models (LLMs), external retrieval mechanisms - such as Search-Augmented Generation (SAG), tool utilization, and Retrieval-Augmented Generation (RAG) - are often employed to enhance the quality…

计算与语言 · 计算机科学 2025-02-25 Tzu-Lin Kuo , Feng-Ting Liao , Mu-Wei Hsieh , Fu-Chieh Chang , Po-Chun Hsu , Da-Shan Shiu

The rapid advancements in generative AI and large language models (LLMs) have opened up new avenues for producing synthetic data, particularly in the realm of structured tabular formats, such as product reviews. Despite the potential…

机器学习 · 计算机科学 2025-07-25 Yefeng Yuan , Yuhong Liu , Liang Cheng