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Answering multi-hop reasoning questions requires retrieving and synthesizing information from diverse sources. Language models (LMs) struggle to perform such reasoning consistently. We propose an approach to pinpoint and rectify multi-hop…

计算与语言 · 计算机科学 2024-11-11 Mansi Sakarvadia

Vision-Language-Action (VLA) models excel in robotic manipulation but suffer from significant inference latency due to processing dense visual tokens. Existing token reduction methods predominantly rely on attention magnitude as a static…

计算机视觉与模式识别 · 计算机科学 2026-03-27 Peiju Liu , Jinming Liu , Xipeng Qiu , Xuanjing Huang

Safe deployment of large language models (LLMs) may benefit from a reliable method for assessing their generated content to determine when to abstain or to selectively generate. While likelihood-based metrics such as perplexity are widely…

计算与语言 · 计算机科学 2023-12-18 Jie Ren , Yao Zhao , Tu Vu , Peter J. Liu , Balaji Lakshminarayanan

Video large language models (Video-LLMs) face high computational costs due to large volumes of visual tokens. Existing token compression methods typically adopt a two-stage spatiotemporal compression strategy, relying on stage-specific…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Junhao Du , Jialong Xue , Anqi Li , Jincheng Dai , Guo Lu

By cropping high-resolution images into local tiles and encoding them independently, High-Resolution Large Vision-Language Models (HR-LVLMs) have demonstrated remarkable fine-grained visual understanding capabilities. However, this…

计算机视觉与模式识别 · 计算机科学 2025-09-30 Xu Li , Yuxuan Liang , Xiaolei Chen , Yi Zheng , Haotian Chen , Bin Li , Xiangyang Xue

Large Language Models (LLMs) such as Gemma-2B have shown strong performance in various natural language processing tasks. However, general-purpose models often lack the domain expertise required for cybersecurity applications. This work…

密码学与安全 · 计算机科学 2026-01-13 Vasanth Iyer , Leonardo Bobadilla , S. S. Iyengar

The geometric-mean method is often used to estimate the spatial resolution of a position-sensitive detector probed by tracks. It calculates the resolution solely from measured track data without using a detailed tracking simulation and…

数据分析、统计与概率 · 物理学 2016-07-13 Aiwu Zhang , Marcus Hohlmann

Large Language Models (LLMs) are not only resource-intensive to train but even more costly to deploy in production. Therefore, recent work has attempted to prune blocks of LLMs based on cheap proxies for estimating block importance,…

机器学习 · 计算机科学 2024-07-24 Shoaib Ahmed Siddiqui , Xin Dong , Greg Heinrich , Thomas Breuel , Jan Kautz , David Krueger , Pavlo Molchanov

Interest point descriptors have fueled progress on almost every problem in computer vision. Recent advances in deep neural networks have enabled task-specific learned descriptors that outperform hand-crafted descriptors on many problems. We…

计算机视觉与模式识别 · 计算机科学 2018-08-03 Mohammed E. Fathy , Quoc-Huy Tran , M. Zeeshan Zia , Paul Vernaza , Manmohan Chandraker

Attention mechanism is a central component of the transformer architecture which led to the phenomenal success of large language models. However, the theoretical principles underlying the attention mechanism are poorly understood,…

机器学习 · 计算机科学 2023-12-11 Davoud Ataee Tarzanagh , Yingcong Li , Xuechen Zhang , Samet Oymak

Despite the prevalence of the attention sink phenomenon in Large Language Models (LLMs), where initial tokens disproportionately monopolize attention scores, its structural origins remain elusive. This work provides a \textit{mechanistic…

机器学习 · 计算机科学 2026-05-08 Siquan Li , Kaiqi Jiang , Jiacheng Sun , Tianyang Hu

Large Language Models (LLMs) typically have billions of parameters and are thus often difficult to interpret in their operation. In this work, we demonstrate that it is possible to decode neuron weights directly into token probabilities…

计算与语言 · 计算机科学 2025-03-03 Harry J Davies

Video Large Language Models (Video-LLMs) excel at understanding videos in-context, provided they have full access to the video when answering queries. However, these models face challenges in streaming scenarios where hour-long videos must…

计算机视觉与模式识别 · 计算机科学 2025-10-21 Vaggelis Dorovatas , Soroush Seifi , Gunshi Gupta , Rahaf Aljundi

Modern large language models (LLMs) have demonstrated impressive performance across a wide range of multi-step reasoning tasks. Recent work suggests that LLMs may perform planning - selecting a future target token in advance and generating…

计算与语言 · 计算机科学 2025-08-26 Jatin Nainani , Sankaran Vaidyanathan , Connor Watts , Andre N. Assis , Alice Rigg

Large language models (LLMs) have demonstrated strong reasoning capabilities in text-based mathematical problem solving; however, when adapted to visual reasoning tasks, particularly geometric problem solving, their performance…

人工智能 · 计算机科学 2025-10-28 Nannan Shi , Chuanyu Qin , Shipeng Song , Man Luo

Language Models (LMs) assign significant attention to the first token, even if it is not semantically important, which is known as attention sink. This phenomenon has been widely adopted in applications such as streaming/long context…

计算与语言 · 计算机科学 2025-03-04 Xiangming Gu , Tianyu Pang , Chao Du , Qian Liu , Fengzhuo Zhang , Cunxiao Du , Ye Wang , Min Lin

Large Language Models (LLMs) have demonstrated remarkable capabilities in various natural language processing tasks. However, their size presents significant challenges for deployment and inference. This paper investigates the quantization…

计算与语言 · 计算机科学 2025-05-01 Lucas Maisonnave , Cyril Moineau , Olivier Bichler , Fabrice Rastello

Instruction tuning is essential for aligning large language models (LLMs) to downstream tasks and commonly relies on large, diverse corpora. However, small, high-quality subsets, known as coresets, can deliver comparable or superior…

计算与语言 · 计算机科学 2026-05-15 Manish Nagaraj , Sakshi Choudhary , Utkarsh Saxena , Deepak Ravikumar , Kaushik Roy

Structured dropout approaches, such as attention dropout and DropHead, have been investigated to regularize the multi-head attention mechanism in Transformers. In this paper, we propose a new regularization scheme based on token-level…

计算与语言 · 计算机科学 2023-10-31 Yangjun Wu , Kebin Fang , Dongxiang Zhang , Han Wang , Hao Zhang , Gang Chen

Multimodal Large Language Models (MLLMs) incur significant computational cost from processing numerous vision tokens through all LLM layers. Prior pruning methods operate either before the LLM, limiting generality due to diverse…

计算机视觉与模式识别 · 计算机科学 2026-02-16 Omer Faruk Deniz , Ruiyu Mao , Ruochen Li , Yapeng Tian , Latifur Khan