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Training large neural networks with meaningful/usable differential privacy security guarantees is a demanding challenge. In this paper, we tackle this problem by revisiting the two key operations in Differentially Private Stochastic…

机器学习 · 计算机科学 2022-10-11 Hanshen Xiao , Jun Wan , Srinivas Devadas

Multivariate time series classification is a crucial task in data mining, attracting growing research interest due to its broad applications. While many existing methods focus on discovering discriminative patterns in time series,…

机器学习 · 计算机科学 2024-12-24 Wenjie Xi , Rundong Zuo , Alejandro Alvarez , Jie Zhang , Byron Choi , Jessica Lin

Machine learning models in health care are often deployed in settings where it is important to protect patient privacy. In such settings, methods for differentially private (DP) learning provide a general-purpose approach to learn models…

机器学习 · 计算机科学 2020-10-15 Vinith M. Suriyakumar , Nicolas Papernot , Anna Goldenberg , Marzyeh Ghassemi

Time-series forecasting plays an important role in many real-world scenarios, such as equipment life cycle forecasting, weather forecasting, and traffic flow forecasting. It can be observed from recent research that a variety of…

机器学习 · 计算机科学 2022-06-14 Benhan Li , Shengdong Du , Tianrui Li , Jie Hu , Zhen Jia

The point cloud learning community witnesses a modeling shift from CNNs to Transformers, where pure Transformer architectures have achieved top accuracy on the major learning benchmarks. However, existing point Transformers are…

计算机视觉与模式识别 · 计算机科学 2022-03-25 Zhang Cheng , Haocheng Wan , Xinyi Shen , Zizhao Wu

Graph Transformers have garnered significant attention for learning graph-structured data, thanks to their superb ability to capture long-range dependencies among nodes. However, the quadratic space and time complexity hinders the…

信息检索 · 计算机科学 2024-05-08 Huiyuan Chen , Zhe Xu , Chin-Chia Michael Yeh , Vivian Lai , Yan Zheng , Minghua Xu , Hanghang Tong

Train machine learning models on sensitive user data has raised increasing privacy concerns in many areas. Federated learning is a popular approach for privacy protection that collects the local gradient information instead of real data.…

密码学与安全 · 计算机科学 2021-05-24 Lichao Sun , Jianwei Qian , Xun Chen

The Transformer is a highly successful deep learning model that has revolutionised the world of artificial neural networks, first in natural language processing and later in computer vision. This model is based on the attention mechanism…

机器学习 · 计算机科学 2023-05-09 Riccardo Ughi , Eugenio Lomurno , Matteo Matteucci

Extracting robust feature representation is critical for object re-identification to accurately identify objects across non-overlapping cameras. Although having a strong representation ability, the Vision Transformer (ViT) tends to overfit…

计算机视觉与模式识别 · 计算机科学 2024-08-30 Lei Tan , Pingyang Dai , Jie Chen , Liujuan Cao , Yongjian Wu , Rongrong Ji

While Transformer-based models have shown impressive language modeling performance, the large computation cost is often prohibitive for practical use. Attention head pruning, which removes unnecessary attention heads in the multihead…

计算与语言 · 计算机科学 2021-10-08 Kyuhong Shim , Iksoo Choi , Wonyong Sung , Jungwook Choi

In recent years, differential privacy has seen significant advancements in image classification; however, its application to video activity recognition remains under-explored. This paper addresses the challenges of applying differential…

计算机视觉与模式识别 · 计算机科学 2023-06-29 Zelun Luo , Yuliang Zou , Yijin Yang , Zane Durante , De-An Huang , Zhiding Yu , Chaowei Xiao , Li Fei-Fei , Animashree Anandkumar

Transformer architecture has been very successful long runner in the field of Deep Learning (DL) and Large Language Models (LLM) because of its powerful attention-based learning and parallel-natured architecture. As the models grow gigantic…

机器学习 · 计算机科学 2026-01-21 Phani Kumar , Nyshadham , Jyothendra Varma , Polisetty V R K , Aditya Rathore

We study convex optimization problems under differential privacy (DP). With heavy-tailed gradients, existing works achieve suboptimal rates. The main obstacle is that existing gradient estimators have suboptimal tail properties, resulting…

机器学习 · 计算机科学 2024-08-20 Puning Zhao , Jiafei Wu , Zhe Liu , Chong Wang , Rongfei Fan , Qingming Li

Graph Transformers excel in long-range dependency modeling, but generally require quadratic memory complexity in the number of nodes in an input graph, and hence have trouble scaling to large graphs. Sparse attention variants such as…

机器学习 · 计算机科学 2024-11-26 Hamed Shirzad , Honghao Lin , Balaji Venkatachalam , Ameya Velingker , David Woodruff , Danica Sutherland

Differential privacy (DP) protects sensitive data during neural network training, but standard methods like DP-Adam suffer from high memory overhead due to per-sample gradient clipping, limiting scalability. We introduce DP-GRAPE (Gradient…

Differential Privacy (DP) is a widely adopted technique, valued for its effectiveness in protecting the privacy of task-specific datasets, making it a critical tool for large language models. However, its effectiveness in Multimodal Large…

密码学与安全 · 计算机科学 2025-06-10 Qianshan Wei , Jiaqi Li , Zihan You , Yi Zhan , Kecen Li , Jialin Wu , Xinfeng Li Hengjun Liu , Yi Yu , Bin Cao , Yiwen Xu , Yang Liu , Guilin Qi

Pre-training large transformer models with in-domain data improves domain adaptation and helps gain performance on the domain-specific downstream tasks. However, sharing models pre-trained on potentially sensitive data is prone to…

计算与语言 · 计算机科学 2025-08-14 Ying Yin , Ivan Habernal

Driver distraction remains a leading cause of traffic accidents, posing a critical threat to road safety globally. As intelligent transportation systems evolve, accurate and real-time identification of driver distraction has become…

计算机视觉与模式识别 · 计算机科学 2024-09-13 Junzhou Chen , Zirui Zhang , Jing Yu , Heqiang Huang , Ronghui Zhang , Xuemiao Xu , Bin Sheng , Hong Yan

Large language models (LLMs), especially those based on the Transformer architecture, have had a profound impact on various aspects of daily life, such as natural language processing, content generation, research methodologies, and more.…

机器学习 · 计算机科学 2024-10-15 Yeqi Gao , Zhao Song , Xin Yang , Yufa Zhou

While massive valuable deep models trained on large-scale data have been released to facilitate the artificial intelligence community, they may encounter attacks in deployment which leads to privacy leakage of training data. In this work,…

密码学与安全 · 计算机科学 2023-08-04 Bochao Liu , Pengju Wang , Shikun Li , Dan Zeng , Shiming Ge