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By simply incorporating demonstrations into the context, in-context learning (ICL) enables large language models (LLMs) to yield awesome performance on many tasks. In this study, we focus on passage-level long-context ICL for generation…

计算与语言 · 计算机科学 2025-06-09 Hao Sun , Chenming Tang , Gengyang Li , Yunfang Wu

Information retrieval in Large Language Models (LLMs) is increasingly recognized as intertwined with generation capabilities rather than mere lookup. While longer contexts are often assumed to improve retrieval, the effects of intra-context…

计算与语言 · 计算机科学 2025-08-01 Chupei Wang , Jiaqiu Vince Sun

Large Language Models (LLMs) have demonstrated exceptional capabilities across diverse tasks. However, their deployment in long context scenarios remains hindered by computational inefficiency and information redundancy. Context compression…

计算与语言 · 计算机科学 2026-03-09 Jiwei Tang , Shilei Liu , Zhicheng Zhang , Yujin Yuan , Libin Zheng , Wenbo Su , Bo Zheng

Large Language Models (LLMs) have demonstrated success across many benchmarks. However, they still exhibit limitations in long-context scenarios, primarily due to their short effective context length, quadratic computational complexity, and…

计算与语言 · 计算机科学 2025-09-26 Manlai Liang , Mandi Liu , Jiangzhou Ji , Huaijun Li , Haobo Yang , Yaohan He , Jinlong Li

The muti-layer information bottleneck (IB) problem, where information is propagated (or successively refined) from layer to layer, is considered. Based on information forwarded by the preceding layer, each stage of the network is required…

机器学习 · 统计学 2017-11-15 Qianqian Yang , Pablo Piantanida , Deniz Gündüz

The growing popularity of Large Language Models has sparked interest in context compression for Large Language Models (LLMs). However, the performance of previous methods degrades dramatically as compression ratios increase, sometimes even…

计算与语言 · 计算机科学 2024-06-18 Zhiwei Cao , Qian Cao , Yu Lu , Ningxin Peng , Luyang Huang , Shanbo Cheng , Jinsong Su

In classical information theory, the information bottleneck method (IBM) can be regarded as a method of lossy data compression which focusses on preserving meaningful (or relevant) information. As such it has recently gained a lot of…

量子物理 · 物理学 2020-04-09 Nilanjana Datta , Christoph Hirche , Andreas Winter

Recent advancements in large language models (LLMs) have highlighted the importance of extending context lengths for handling complex tasks. While traditional methods for training on long contexts often use filtered long documents, these…

计算与语言 · 计算机科学 2025-02-12 Chaochen Gao , Xing Wu , Qi Fu , Songlin Hu

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

Maintaining efficient semantic representations of the environment is a major challenge both for humans and for machines. While human languages represent useful solutions to this problem, it is not yet clear what computational principle…

计算与语言 · 计算机科学 2018-08-13 Noga Zaslavsky , Charles Kemp , Terry Regier , Naftali Tishby

Large Language Models (LLMs) have made significant strides in handling long sequences. Some models like Gemini could even to be capable of dealing with millions of tokens. However, their performance evaluation has largely been confined to…

计算与语言 · 计算机科学 2024-06-13 Tianle Li , Ge Zhang , Quy Duc Do , Xiang Yue , Wenhu Chen

Processing long contexts remains a challenge for large language models (LLMs) due to the quadratic computational and memory overhead of the self-attention mechanism and the substantial KV cache sizes during generation. We propose LLoCO, a…

计算与语言 · 计算机科学 2024-10-18 Sijun Tan , Xiuyu Li , Shishir Patil , Ziyang Wu , Tianjun Zhang , Kurt Keutzer , Joseph E. Gonzalez , Raluca Ada Popa

As large language models increasingly gain popularity in real-world applications, processing extremely long contexts, often exceeding the model's pre-trained context limits, has emerged as a critical challenge. While existing approaches to…

Large language model (LLM) agents are fundamentally bottlenecked by finite context windows on long-horizon tasks. As trajectories grow, retaining tool outputs and intermediate reasoning in-context quickly becomes infeasible: the working…

计算与语言 · 计算机科学 2026-03-05 Zhenting Wang , Huancheng Chen , Jiayun Wang , Wei Wei

Large language models (LLMs) process entire input contexts indiscriminately, which is inefficient when the information required to answer a query is localized within the context. We present dynamic context cutoff, a novel method enabling…

计算与语言 · 计算机科学 2026-02-10 Roy Xie , Junlin Wang , Paul Rosu , Chunyuan Deng , Bolun Sun , Zihao Lin , Bhuwan Dhingra

While large language models (LLMs) are equipped with longer text input capabilities than before, they are struggling to seek correct information in long contexts. The "lost in the middle" problem challenges most LLMs, referring to the…

计算与语言 · 计算机科学 2024-08-15 Junqing He , Kunhao Pan , Xiaoqun Dong , Zhuoyang Song , Yibo Liu , Qianguo Sun , Yuxin Liang , Hao Wang , Enming Zhang , Jiaxing Zhang

Benefiting from large-scale pretrained vision language models (VLMs), the performance of visual question answering (VQA) has approached human oracles. However, finetuning such models on limited data often suffers from overfitting and poor…

计算机视觉与模式识别 · 计算机科学 2023-05-09 Jingjing Jiang , Ziyi Liu , Nanning Zheng

Large language models (LLMs) can adapt to new tasks via in-context learning (ICL) without parameter updates, making them powerful learning engines for fast adaptation. While extensive research has examined ICL as a few-shot learner, whether…

机器学习 · 计算机科学 2025-09-30 Liuwang Kang , Fan Wang , Shaoshan Liu , Hung-Chyun Chou , Chuan Lin , Ning Ding

Large Language Models (LLMs) are increasingly deployed across edge and cloud platforms for real-time question-answering and retrieval-augmented generation. However, processing lengthy contexts in distributed systems incurs high…

计算与语言 · 计算机科学 2025-05-19 Camille Couturier , Spyros Mastorakis , Haiying Shen , Saravan Rajmohan , Victor Rühle

This work investigates context compression for Large Language Models (LLMs) using learned compression tokens to reduce the memory and computational demands of processing long sequences. We demonstrate that pre-trained LLMs can be fine-tuned…

计算与语言 · 计算机科学 2025-11-12 Dmitrii Tarasov , Elizaveta Goncharova , Kuznetsov Andrey