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Large Language Models (LLMs) have demonstrated remarkable performance across diverse tasks but are constrained by their small context window sizes. Various efforts have been proposed to expand the context window to accommodate even up to…

计算与语言 · 计算机科学 2024-04-09 Xuanfan Ni , Hengyi Cai , Xiaochi Wei , Shuaiqiang Wang , Dawei Yin , Piji Li

Large language models (LLMs) achieved remarkable performance across various tasks. However, they face challenges in managing long documents and extended conversations, due to significantly increased computational requirements, both in…

计算与语言 · 计算机科学 2023-10-11 Yucheng Li , Bo Dong , Chenghua Lin , Frank Guerin

Large language models (LLMs), despite their impressive performance in various language tasks, are typically limited to processing texts within context-window size. This limitation has spurred significant research efforts to enhance LLMs'…

计算与语言 · 计算机科学 2024-09-09 Jiaqi Li , Mengmeng Wang , Zilong Zheng , Muhan Zhang

Transformer-based large language models (LLMs) have achieved remarkable success, yet their standard attention mechanism incurs quadratic computation and memory costs with respect to sequence length, posing a major bottleneck for…

机器学习 · 计算机科学 2025-10-22 Tao Bu , Qiangang Wang , Bowen Zeng , Hanwen Sun , Yunpeng Huang , Chun Cao , Jingwei Xu

Large Language Models (LLMs) have demonstrated remarkable progress in scaling to access massive contexts. However, the access is via the latent and uninterpretable attention mechanisms, and LLMs fail to effective process long context,…

计算与语言 · 计算机科学 2026-03-24 Weili Cao , Xunjian Yin , Bhuwan Dhingra , Shuyan Zhou

Large language models (LLMs) with extended context windows have made significant strides yet remain a challenge due to the scarcity of long documents. Existing methods tend to synthesize long-context data but lack a clear mechanism to…

计算与语言 · 计算机科学 2025-05-27 Chaochen Gao , Xing Wu , Zijia Lin , Debing Zhang , Songlin Hu

Effectively handling instructions with extremely long context remains a challenge for Large Language Models (LLMs), typically necessitating high-quality long data and substantial computational resources. This paper introduces Step-Skipping…

计算与语言 · 计算机科学 2024-05-08 Wenhao Wu , Yizhong Wang , Yao Fu , Xiang Yue , Dawei Zhu , Sujian Li

Long-context language models now advertise context windows up to millions of tokens, yet evaluations typically report a single length or a narrow task family, masking two failure modes: performance can collapse as length grows, and strong…

Large language models (LLMs) have achieved substantial progress in processing long contexts but still struggle with long-context reasoning. Existing approaches typically involve fine-tuning LLMs with synthetic data, which depends on…

计算与语言 · 计算机科学 2024-11-14 Siheng Li , Cheng Yang , Zesen Cheng , Lemao Liu , Mo Yu , Yujiu Yang , Wai Lam

In recent years, Large Language Models (LLMs) have demonstrated significant improvements across a variety of tasks, one of which is the long-context capability. The key to improving long-context performance lies in effective data…

计算与语言 · 计算机科学 2024-10-03 Keer Lu , Xiaonan Nie , Zheng Liang , Da Pan , Shusen Zhang , Keshi Zhao , Weipeng Chen , Zenan Zhou , Guosheng Dong , Bin Cui , Wentao Zhang

Long-context modeling is one of the critical capabilities of language AI for digesting and reasoning over complex information pieces. In practice, long-context capabilities are typically built into a pre-trained language model~(LM) through…

计算与语言 · 计算机科学 2024-10-15 Luyu Gao , Yunyi Zhang , Jamie Callan

As the demand for processing extended textual data grows, the ability to handle long-range dependencies and maintain computational efficiency is more critical than ever. One of the key issues for long-sequence modeling using attention-based…

计算与语言 · 计算机科学 2025-05-26 Aosong Feng , Rex Ying , Leandros Tassiulas

Soft attention is a critical mechanism powering LLMs to locate relevant parts within a given context. However, individual attention weights are determined by the similarity of only a single query and key token vector. This "single token…

计算与语言 · 计算机科学 2025-07-14 Olga Golovneva , Tianlu Wang , Jason Weston , Sainbayar Sukhbaatar

Large language models (LLMs) with extended context windows enable tasks requiring extensive information integration but are limited by the scarcity of high-quality, diverse datasets for long-context instruction tuning. Existing data…

计算与语言 · 计算机科学 2025-02-25 Jiaxi Li , Xingxing Zhang , Xun Wang , Xiaolong Huang , Li Dong , Liang Wang , Si-Qing Chen , Wei Lu , Furu Wei

Reinforcement Learning (RL) has emerged as a critical driver for enhancing the reasoning capabilities of Large Language Models (LLMs). While recent advancements have focused on reward engineering or data synthesis, few studies exploit the…

机器学习 · 计算机科学 2026-04-17 Bowen Ping , Zijun Chen , Tingfeng Hui , Qize Yu , Chenxuan Li , Junchi Yan , Baobao Chang

Large language models (LLM) have prioritized expanding the context window from which models can incorporate more information. However, training models to handle long contexts presents significant challenges. These include the scarcity of…

计算与语言 · 计算机科学 2024-09-10 Junfeng Tian , Da Zheng , Yang Cheng , Rui Wang , Colin Zhang , Debing Zhang

Existing large language models (LLMs) can only afford fix-sized inputs due to the input length limit, preventing them from utilizing rich long-context information from past inputs. To address this, we propose a framework, Language Models…

计算与语言 · 计算机科学 2023-06-13 Weizhi Wang , Li Dong , Hao Cheng , Xiaodong Liu , Xifeng Yan , Jianfeng Gao , Furu Wei

Large language models (LLMs) have emerged as a cornerstone in real-world applications with lengthy streaming inputs (e.g., LLM-driven agents). However, existing LLMs, pre-trained on sequences with a restricted maximum length, cannot process…

计算与语言 · 计算机科学 2024-05-29 Chaojun Xiao , Pengle Zhang , Xu Han , Guangxuan Xiao , Yankai Lin , Zhengyan Zhang , Zhiyuan Liu , Maosong Sun

Reasoning over long contexts is essential for large language models. While reinforcement learning (RL) enhances short-context reasoning by inducing "Aha" moments in chain-of-thought, the advanced thinking patterns required for long-context…

计算与语言 · 计算机科学 2025-10-28 Siyuan Wang , Gaokai Zhang , Li Lyna Zhang , Ning Shang , Fan Yang , Dongyao Chen , Mao Yang

This work introduces an efficient method to scale Transformer-based Large Language Models (LLMs) to infinitely long inputs with bounded memory and computation. A key component in our proposed approach is a new attention technique dubbed…

计算与语言 · 计算机科学 2024-08-13 Tsendsuren Munkhdalai , Manaal Faruqui , Siddharth Gopal