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Related papers: Compressing Lengthy Context With UltraGist

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The existing Retrieval-Augmented Generation (RAG) systems face significant challenges in terms of cost and effectiveness. On one hand, they need to encode the lengthy retrieved contexts before responding to the input tasks, which imposes…

Computation and Language · Computer Science 2024-09-25 Zheng Liu , Chenyuan Wu , Ninglu Shao , Shitao Xiao , Chaozhuo Li , Defu Lian

With the rising popularity of Transformer-based large language models (LLMs), reducing their high inference costs has become a significant research focus. One effective approach is to compress the long input contexts. Existing methods…

Computation and Language · Computer Science 2024-11-06 Xiangfeng Wang , Zaiyi Chen , Zheyong Xie , Tong Xu , Yongyi He , Enhong Chen

Long-context large language models remain computationally expensive to run and often fail to reliably process very long inputs, which makes context compression an important component of many systems. Existing compression approaches…

Computation and Language · Computer Science 2026-04-28 Yitian Zhou , Chaoning Zhang , Jiaquan Zhang , Zhenzhen Huang , Jinyu Guo , Sung-Ho Bae , Lik-Hang Lee , Caiyan Qin , Yang Yang

In-context learning has been extensively validated in large language models. However, the mechanism and selection strategy for in-context example selection, which is a crucial ingredient in this approach, lacks systematic and in-depth…

Computation and Language · Computer Science 2024-05-21 Zhongxiang Sun , Kepu Zhang , Haoyu Wang , Xiao Zhang , Jun Xu

Large language models (LLMs) have been applied in various applications due to their astonishing capabilities. With advancements in technologies such as chain-of-thought (CoT) prompting and in-context learning (ICL), the prompts fed to LLMs…

Computation and Language · Computer Science 2023-12-07 Huiqiang Jiang , Qianhui Wu , Chin-Yew Lin , Yuqing Yang , Lili Qiu

Repository-level code intelligence tasks require large language models (LLMs) to process long, multi-file contexts. Such inputs introduce three challenges: crucial context can be obscured by noise, truncated due to limited windows, and…

Software Engineering · Computer Science 2026-04-16 Jia Feng , Zhanyue Qin , Cuiyun Gao , Ruiqi Wang , Chaozheng Wang , Yingwei Ma , Xiaoyuan Xie

Retrieval-augmented generation (RAG) enhances large language models (LLMs) with external knowledge but incurs significant inference costs due to lengthy retrieved contexts. While context compression mitigates this issue, existing methods…

Computation and Language · Computer Science 2025-09-25 Shuyu Guo , Shuo Zhang , Zhaochun Ren

Large language models (LLMs) are increasingly deployed as agents in dynamic, real-world environments, where success requires both reasoning and effective tool use. A central challenge for agentic tasks is the growing context length, as…

Artificial Intelligence · Computer Science 2025-10-20 Minki Kang , Wei-Ning Chen , Dongge Han , Huseyin A. Inan , Lukas Wutschitz , Yanzhi Chen , Robert Sim , Saravan Rajmohan

Large language models (LLMs) have received significant attention by achieving remarkable performance across various tasks. However, their fixed context length poses challenges when processing long documents or maintaining extended…

Computation and Language · Computer Science 2023-04-25 Yucheng Li

Recent techniques such as retrieval-augmented generation or chain-of-thought reasoning have led to longer contexts and increased inference costs. Context compression techniques can reduce these costs, but the most effective approaches…

Computation and Language · Computer Science 2025-10-24 Hippolyte Pilchen , Edouard Grave , Patrick Pérez

Long context compression is a critical research problem due to its significance in reducing the high computational and memory costs associated with LLMs. In this paper, we propose Activation Beacon, a plug-in module for transformer-based…

Computation and Language · Computer Science 2024-10-14 Peitian Zhang , Zheng Liu , Shitao Xiao , Ninglu Shao , Qiwei Ye , Zhicheng Dou

Long-range tasks demand reasoning over long inputs. However, existing solutions are limited, e.g., long-context models require large compute budgets, parameter-efficient fine-tuning (PEFT) needs training data, and retrieval-augmented…

Artificial Intelligence · Computer Science 2025-08-26 Dulhan Jayalath , James Bradley Wendt , Nicholas Monath , Sandeep Tata , Beliz Gunel

Large language models (LLMs) have achieved significant performance gains using advanced prompting techniques over various tasks. However, the increasing length of prompts leads to high computational costs and often obscures crucial…

Computation and Language · Computer Science 2025-01-03 Eunseong Choi , Sunkyung Lee , Minjin Choi , June Park , Jongwuk Lee

Recent large language model applications, such as Retrieval-Augmented Generation and chatbots, have led to an increased need to process longer input contexts. However, this requirement is hampered by inherent limitations. Architecturally,…

Artificial Intelligence · Computer Science 2024-08-14 Giulio Corallo , Paolo Papotti

Million-level token inputs in long-context tasks pose significant computational and memory challenges for Large Language Models (LLMs). Recently, DeepSeek-OCR conducted research into the feasibility of Contexts Optical Compression and…

Computation and Language · Computer Science 2025-12-04 Fanfan Liu , Haibo Qiu

Large language models (LLMs) increasingly rely on long-context modeling for tasks such as document understanding, code analysis, and multi-step reasoning. However, scaling context windows to the million-token level brings prohibitive…

Computer Vision and Pattern Recognition · Computer Science 2025-10-22 Jiale Cheng , Yusen Liu , Xinyu Zhang , Yulin Fei , Wenyi Hong , Ruiliang Lyu , Weihan Wang , Zhe Su , Xiaotao Gu , Xiao Liu , Yushi Bai , Jie Tang , Hongning Wang , Minlie Huang

Long-horizon search agents must manage a rapidly growing working context as they reason, call tools, and observe information. Naively accumulating all intermediate content can overwhelm the agent, increasing costs and the risk of errors. We…

Artificial Intelligence · Computer Science 2026-05-07 Yijun Lu , Rui Ye , Yuwen Du , Jiajun Wang , Songhua Liu , Siheng Chen

Sentence compression reduces the length of text by removing non-essential content while preserving important facts and grammaticality. Unsupervised objective driven methods for sentence compression can be used to create customized models…

Computation and Language · Computer Science 2022-05-18 Demian Gholipour Ghalandari , Chris Hokamp , Georgiana Ifrim

Long-context language models unlock advanced capabilities in reasoning, code generation, and document summarization by leveraging dependencies across extended spans of text. However, a significant portion of readily available long-text data…

Computation and Language · Computer Science 2025-10-31 Haoran Deng , Yingyu Lin , Zhenghao Lin , Xiao Liu , Yizhou Sun , Yi-An Ma , Yeyun Gong

Multimodal large language models (MLLMs) have made remarkable strides, largely driven by their ability to process increasingly long and complex contexts, such as high-resolution images, extended video sequences, and lengthy audio input.…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Kele Shao , Keda Tao , Kejia Zhang , Sicheng Feng , Mu Cai , Yuzhang Shang , Haoxuan You , Can Qin , Yang Sui , Huan Wang