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Learning disentangled representations, where distinct factors of variation are captured by independent latent variables, is a central goal in machine learning. The dominant approach has been the Variational Autoencoder (VAE) framework,…

机器学习 · 计算机科学 2025-10-15 Quentin Fruytier , Akshay Malhotra , Shahab Hamidi-Rad , Aditya Sant , Aryan Mokhtari , Sujay Sanghavi

Data assimilation techniques are crucial for accurately tracking complex dynamical systems by integrating observational data with numerical forecasts. Recently, score-based data assimilation methods emerged as powerful tools for…

机器学习 · 统计学 2026-03-03 Pengpeng Xiao , Phillip Si , Peng Chen

Federated learning is a recent development in the machine learning area that allows a system of devices to train on one or more tasks without sharing their data to a single location or device. However, this framework still requires a…

机器学习 · 计算机科学 2024-01-11 Guangyao Zheng , Michael A. Jacobs , Vladimir Braverman , Vishwa S. Parekh

Real-world \underline{F}ederated \underline{L}earning systems often encounter \underline{D}ynamic clients with \underline{A}gnostic and highly heterogeneous data distributions (DAFL), which pose challenges for efficient communication and…

分布式、并行与集群计算 · 计算机科学 2025-04-22 Shunxin Guo , Jiaqi Lv , Qiufeng Wang , Xin Geng

Nonnegative matrix factorization (NMF) is a powerful technique for dimension reduction, extracting latent factors and learning part-based representation. For large datasets, NMF performance depends on some major issues: fast algorithms,…

最优化与控制 · 数学 2015-07-01 Duy-Khuong Nguyen , Tu-Bao Ho

An efficient strategy to construct physics-based local surrogate models for parametric linear elliptic problems is presented. The method relies on proper generalized decomposition (PGD) to reduce the dimensionality of the problem and on an…

数值分析 · 数学 2025-12-03 Marco Discacciati , Ben J. Evans , Matteo Giacomini

Domain Generalization (DG), designed to enhance out-of-distribution (OOD) generalization, is all about learning invariance against domain shifts utilizing sufficient supervision signals. Yet, the scarcity of such labeled data has led to the…

计算机视觉与模式识别 · 计算机科学 2024-07-11 An Zhang , Han Wang , Xiang Wang , Tat-Seng Chua

Deep Metric Learning (DML) methods have been proven relevant for visual similarity learning. However, they sometimes lack generalization properties because they are trained often using an inappropriate sample selection strategy or due to…

The task of deducing three-dimensional molecular configurations from their two-dimensional graph representations holds paramount importance in the fields of computational chemistry and pharmaceutical development. The rapid advancement of…

生物大分子 · 定量生物学 2025-01-09 Bobin Yang , Jie Deng , Zhenghan Chen , Ruoxue Wu

Federated learning (FL) is a burgeoning distributed machine learning framework where a central parameter server (PS) coordinates many local users to train a globally consistent model. Conventional federated learning inevitably relies on a…

机器学习 · 计算机科学 2023-12-13 Zhikun Chen , Daofeng Li , Jinkang Zhu , Sihai Zhang

Learning system dynamics from observations is a critical problem in many applications over various real-world complex systems, e.g., climate, ecology, and fluid systems. Recently, neural dynamics modeling method have become a prevalent…

机器学习 · 计算机科学 2026-03-25 Yiming Wang , Zhengnan Zhang , Genghe Zhang , Jiawen Dan , Changchun Li , Chenlong Hu , Chris Nugent , Jun Liu , Ximing Li , Bo Yang

Dimensionality reduction is essential in simulation-based shape design, where high-dimensional parameterizations hinder optimization, surrogate modeling, and systematic design-space exploration. Parametric Model Embedding (PME) addresses…

计算工程、金融与科学 · 计算机科学 2026-05-13 Andrea Serani , Giorgio Palma , Matteo Diez

When pre-trained models become rapidly larger, the cost of fine-tuning on downstream tasks steadily increases, too. To economically fine-tune these models, parameter-efficient transfer learning (PETL) is proposed, which only tunes a tiny…

计算机视觉与模式识别 · 计算机科学 2024-02-05 Minghao Fu , Ke Zhu , Jianxin Wu

We re-evaluate the standard practice of sharing weights between input and output embeddings in state-of-the-art pre-trained language models. We show that decoupled embeddings provide increased modeling flexibility, allowing us to…

计算与语言 · 计算机科学 2020-10-27 Hyung Won Chung , Thibault Févry , Henry Tsai , Melvin Johnson , Sebastian Ruder

We propose Parallelised Diffeomorphic Sampling-based Motion Planning (PDMP). PDMP is a novel parallelised framework that uses bijective and differentiable mappings, or diffeomorphisms, to transform sampling distributions of sampling-based…

机器人学 · 计算机科学 2021-09-24 Tin Lai , Weiming Zhi , Tucker Hermans , Fabio Ramos

This paper presents a variant of sparse representation modeling method, which has a promising performance of reconstruction of delay differential equation from sampling data. In the new method, a parameterized dictionary of candidate…

信号处理 · 电气工程与系统科学 2020-08-06 Yuqiang Wu

Accurate multivariate time series forecasting hinges on inter-series correlations, which often evolve in complex ways across different temporal scales. Existing methods are limited in modeling these multi-scale dependencies and struggle to…

机器学习 · 计算机科学 2026-01-27 Shaoxun Wang , Xingjun Zhang , Qianyang Li , Jiawei Cao , Zhendong Tan

The method of choice for parameter aggregation in Deep Neural Network (DNN) training, a network-intensive task, is shifting from the Parameter Server model to decentralized aggregation schemes (AllReduce) inspired by theoretical guarantees…

网络与互联网体系结构 · 计算机科学 2020-04-30 Sayed Hadi Hashemi , Sangeetha Abdu Jyothi , Brighten Godfrey , Roy Campbell

With the proliferation of mobile sensing techniques, huge amounts of time series data are generated and accumulated in various domains, fueling plenty of real-world applications. In this setting, time series anomaly detection is practically…

机器学习 · 计算机科学 2024-07-08 Ronghui Xu , Hao Miao , Senzhang Wang , Philip S. Yu , Jianxin Wang

Neural Disjunctive Normal Form (DNF) based models are powerful and interpretable approaches to neuro-symbolic learning and have shown promising results in classification and reinforcement learning settings without prior knowledge of the…

机器学习 · 计算机科学 2025-08-04 Kexin Gu Baugh , Vincent Perreault , Matthew Baugh , Luke Dickens , Katsumi Inoue , Alessandra Russo