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We introduce Long-VITA, a simple yet effective large multi-modal model for long-context visual-language understanding tasks. It is adept at concurrently processing and analyzing modalities of image, video, and text over 4K frames or 1M…

Long-horizon dialogue systems suffer from semanticdrift and unstable memory retention across extended sessions. This paper presents a Multi-Layer Memory Framework that decomposes dialogue history into working, episodic, and semantic layers…

计算机视觉与模式识别 · 计算机科学 2026-04-01 Sunil Tiwari , Payal Fofadiya

Long-context modeling is becoming a core capability of modern large vision-language models (LVLMs), enabling sustained context management across long-document understanding, video analysis, and multi-turn tool use in agentic workflows. Yet…

计算机视觉与模式识别 · 计算机科学 2026-05-14 Zhaowei Wang , Lishu Luo , Haodong Duan , Weiwei Liu , Sijin Wu , Ji Luo , Shen Yan , Shuai Peng , Sihang Yuan , Chaoyi Huang , Yi Lin , Yangqiu Song

Managing long sequences has become an important and necessary feature for large language models (LLMs). However, it is still an open question of how to comprehensively and systematically evaluate the long-sequence capability of LLMs. One of…

计算与语言 · 计算机科学 2024-07-30 Wai-Chung Kwan , Xingshan Zeng , Yufei Wang , Yusen Sun , Liangyou Li , Lifeng Shang , Qun Liu , Kam-Fai Wong

Persistent conversational AI systems face a choice between passing full conversation histories to a long-context large language model (LLM) and maintaining a dedicated memory system that extracts and retrieves structured facts. We compare a…

计算与语言 · 计算机科学 2026-03-06 Natchanon Pollertlam , Witchayut Kornsuwannawit

Retrieval Augmented Generation (RAG) has been a powerful tool for Large Language Models (LLMs) to efficiently process overly lengthy contexts. However, recent LLMs like Gemini-1.5 and GPT-4 show exceptional capabilities to understand long…

计算与语言 · 计算机科学 2024-10-18 Zhuowan Li , Cheng Li , Mingyang Zhang , Qiaozhu Mei , Michael Bendersky

Equipping large language models (LLMs) with latent-space memory has attracted increasing attention as they can extend the context window of existing language models. However, retaining information from the distant past remains a challenge.…

计算与语言 · 计算机科学 2025-06-02 Yu Wang , Dmitry Krotov , Yuanzhe Hu , Yifan Gao , Wangchunshu Zhou , Julian McAuley , Dan Gutfreund , Rogerio Feris , Zexue He

Retrieval-augmented generation (RAG) over long documents typically involves splitting the text into smaller chunks, which serve as the basic units for retrieval. However, due to dependencies across the original document, contextual…

计算与语言 · 计算机科学 2026-04-22 Junjie Wu , Jiangnan Li , Yuqing Li , Lemao Liu , Liyan Xu , Jiwei Li , Dit-Yan Yeung , Jie Zhou , Mo Yu

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

The limited context window of contemporary large language models (LLMs) remains a primary bottleneck for their broader application across diverse domains. Although continual pre-training on long-context data offers a straightforward…

计算与语言 · 计算机科学 2026-04-10 Wei Han , Pan Zhou , Soujanya Poria , Shuicheng Yan

In-context learning has established itself as an important learning paradigm for Large Language Models (LLMs). In this paper, we demonstrate that LLMs can learn encoding keys in-context and perform analysis directly on encoded…

计算与语言 · 计算机科学 2026-04-16 Andresa Rodrigues de Campos , David Lee , Imry Kissos , Piyush Paritosh

Large language models (LLMs) have been well-researched in various long-context tasks. However, the scarcity of long-context summarization datasets hinders progress in this area. To address this, we introduce CNNSum, a multi-scale…

计算与语言 · 计算机科学 2025-06-03 Lingxiao Wei , He Yan , Xiangju Lu , Junmin Zhu , Jun Wang , Wei Zhang

Deploying long-context large language models (LLMs) is essential but poses significant computational and memory challenges. Caching all Key and Value (KV) states across all attention heads consumes substantial memory. Existing KV cache…

计算与语言 · 计算机科学 2024-10-15 Guangxuan Xiao , Jiaming Tang , Jingwei Zuo , Junxian Guo , Shang Yang , Haotian Tang , Yao Fu , Song Han

Despite very fast progress, efficiently training large language models (LLMs) in very long contexts remains challenging. Existing methods fall back to training LLMs with short contexts (a maximum of a few thousands tokens in training) and…

机器学习 · 计算机科学 2025-01-03 Xingzi Xu , Amir Tavanaei , Kavosh Asadi , Karim Bouyarmane

Large language models (LLMs) increasingly support very long input contexts. Yet it remains unclear how reliably they extract and infer information at scale. Performance varies with context length and strongly interacts with how information…

计算与语言 · 计算机科学 2026-01-06 Amirali Ebrahimzadeh , Seyyed M. Salili

Researchers have explored different ways to improve large language models (LLMs)' capabilities via dummy token insertion in contexts. However, existing works focus solely on the dummy tokens themselves, but fail to leverage the inherent…

计算与语言 · 计算机科学 2026-04-16 Zhichen Liu , Yongyuan Li , Yang Xu

As reasoning models scale rapidly, the essential role of multimodality in human cognition has come into sharp relief, driving a growing need to probe vision-centric cognitive behaviors. Yet, existing multimodal benchmarks either…

Training and serving long-context large language models (LLMs) incurs substantial overhead. To address this, two critical steps are often required: a pretrained LLM typically undergoes a separate stage for context length extension by…

计算与语言 · 计算机科学 2024-12-06 Suyu Ge , Xihui Lin , Yunan Zhang , Jiawei Han , Hao Peng

Long-context models (LCMs) have demonstrated great potential in processing long sequences, facilitating many real-world applications. The success of LCMs can be attributed to their ability to locate implicit critical information within the…

计算与语言 · 计算机科学 2025-11-05 Zecheng Tang , Baibei Ji , Juntao Li , Lijun Wu , Haijia Gui , Min Zhang

Long-context large language models (LC LLMs) promise to increase reliability of LLMs in real-world tasks requiring processing and understanding of long input documents. However, this ability of LC LLMs to reliably utilize their growing…

计算与语言 · 计算机科学 2024-12-23 Lavanya Gupta , Saket Sharma , Yiyun Zhao