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Online video understanding is essential for applications like public surveillance and AI glasses. However, applying Multimodal Large Language Models (MLLMs) to this domain is challenging due to the large number of video frames, resulting in…

计算机视觉与模式识别 · 计算机科学 2025-12-16 Xinqi Jin , Hanxun Yu , Bohan Yu , Kebin Liu , Jian Liu , Keda Tao , Yixuan Pei , Huan Wang , Fan Dang , Jiangchuan Liu , Weiqiang Wang

Transformers have the representational capacity to simulate Massively Parallel Computation (MPC) algorithms, but they suffer from quadratic time complexity, which severely limits their scalability. We introduce an efficient attention…

机器学习 · 计算机科学 2025-09-12 Jingwen Liu , Hantao Yu , Clayton Sanford , Alexandr Andoni , Daniel Hsu

Many natural language processing tasks solely rely on sparse dependencies between a few tokens in a sentence. Soft attention mechanisms show promising performance in modeling local/global dependencies by soft probabilities between every two…

计算与语言 · 计算机科学 2018-07-06 Tao Shen , Tianyi Zhou , Guodong Long , Jing Jiang , Sen Wang , Chengqi Zhang

Context can strongly affect object representations, sometimes leading to undesired biases, particularly when objects appear in out-of-distribution backgrounds at inference. At the same time, many object-centric tasks require to leverage the…

计算机视觉与模式识别 · 计算机科学 2026-04-02 Ananthu Aniraj , Cassio F. Dantas , Dino Ienco , Diego Marcos

Large language models have shown remarkable performance across a wide range of language tasks, owing to their exceptional capabilities in context modeling. The most commonly used method of context modeling is full self-attention, as seen in…

计算与语言 · 计算机科学 2025-06-26 Zhisong Zhang , Yan Wang , Xinting Huang , Tianqing Fang , Hongming Zhang , Chenlong Deng , Shuaiyi Li , Dong Yu

Are low-attention visual tokens truly redundant in vision-language reasoning? Existing pruning methods often assume so, ranking visual tokens by shallow text-to-image attention and discarding low-scoring patches to accelerate LVLM…

计算机视觉与模式识别 · 计算机科学 2026-05-12 Jie Ma , Yihang Liu , Zhike Qiu , Jiayi Ji , Xiaoshuai Sun

Neural network pruning is a fruitful area of research with surging interest in high sparsity regimes. Benchmarking in this domain heavily relies on faithful representation of the sparsity of subnetworks, which has been traditionally…

机器学习 · 计算机科学 2023-04-11 Artem Vysogorets , Julia Kempe

Identifying central nodes using closeness centrality is a critical task in analyzing large-scale complex networks, yet its decentralized computation remains challenging due to high communication overhead. Existing distributed approximation…

分布式、并行与集群计算 · 计算机科学 2025-12-15 Patrick D. Manya , Eugene M. Mbuyi , Gothy T. Ngoie , Jordan F. Masakuna

Neural networks (NNs) for multiple hardware impairments mitigation of a realistic direct conversion transmitter are impractical due to high computational complexity. We propose two methods to reduce complexity without significant…

信号处理 · 电气工程与系统科学 2021-04-07 Yibo Wu , Ulf Gustavsson , Alexandre Graell i Amat , Henk Wymeersch

We present a novel adaptive optimization algorithm for large-scale machine learning problems. Equipped with a low-cost estimate of local curvature and Lipschitz smoothness, our method dynamically adapts the search direction and step-size.…

机器学习 · 计算机科学 2021-09-14 Majid Jahani , Sergey Rusakov , Zheng Shi , Peter Richtárik , Michael W. Mahoney , Martin Takáč

Efficient attentions have greatly improved the computational efficiency of Transformers. However, most existing linear attention mechanisms suffer from an \emph{efficiency degradation} problem, leading to inefficiencies in causal language…

计算与语言 · 计算机科学 2023-12-19 Jun Zhang , Shuyang Jiang , Jiangtao Feng , Lin Zheng , Lingpeng Kong

Recognizing implicit discourse relations is a challenging but important task in the field of Natural Language Processing. For such a complex text processing task, different from previous studies, we argue that it is necessary to repeatedly…

计算与语言 · 计算机科学 2016-09-22 Yang Liu , Sujian Li

Backdoor attacks are a significant threat to the performance and integrity of pre-trained language models. Although such models are routinely fine-tuned for downstream NLP tasks, recent work shows they remain vulnerable to backdoor attacks…

机器学习 · 计算机科学 2025-08-28 Santosh Chapagain , Shah Muhammad Hamdi , Soukaina Filali Boubrahimi

Self-attention model have shown its flexibility in parallel computation and the effectiveness on modeling both long- and short-term dependencies. However, it calculates the dependencies between representations without considering the…

计算与语言 · 计算机科学 2019-02-18 Baosong Yang , Jian Li , Derek Wong , Lidia S. Chao , Xing Wang , Zhaopeng Tu

Domain-specific finetuning is essential for dense retrievers, yet not all training pairs contribute equally to the learning process. We introduce OPERA, a data pruning framework that exploits this heterogeneity to improve both the…

信息检索 · 计算机科学 2026-04-02 Haoyang Fang , Shuai Zhang , Yifei Ma , Hengyi Wang , Cuixiong Hu , Katrin Kirchhoff , Bernie Wang , George Karypis

Channel pruning is a promising technique to compress the parameters of deep convolutional neural networks(DCNN) and to speed up the inference. This paper aims to address the long-standing inefficiency of channel pruning. Most channel…

计算机视觉与模式识别 · 计算机科学 2021-09-01 Zhouyang Xie , Yan Fu , Shengzhao Tian , Junlin Zhou , Duanbing Chen

Self-supervised pre-trained models such as Wav2vec2, Hubert, and WavLM have been shown to significantly improve many speech tasks. However, their large memory and strong computational requirements hinder their industrial applicability.…

音频与语音处理 · 电气工程与系统科学 2025-05-08 Haoyu Wang , Siyuan Wang , Wei-Qiang Zhang , Hongbin Suo , Yulong Wan

We formulate coherence modeling as a regression task and propose two novel methods to combine techniques from our setup with pairwise approaches. The first of our methods is a model that we call "first-next," which operates similarly to…

计算与语言 · 计算机科学 2018-12-13 David McClure , Shayne O'Brien , Deb Roy

In-context learning (ICL) capabilities are foundational to the success of large language models (LLMs). Recently, context compression has attracted growing interest since it can largely reduce reasoning complexities and computation costs of…

计算与语言 · 计算机科学 2024-08-02 Wenshan Wang , Yihang Wang , Yixing Fan , Huaming Liao , Jiafeng Guo

Designing an explainable model becomes crucial now for Natural Language Processing(NLP) since most of the state-of-the-art machine learning models provide a limited explanation for the prediction. In the spectrum of an explainable model,…

计算与语言 · 计算机科学 2024-11-08 Rohan Kumar Yadav , Bimal Bhattarai , Abhik Jana , Lei Jiao , Seid Muhie Yimam