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相关论文: Towards Rapid Constitutive Model Discovery from Mu…

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Predicting the behavior of complex systems is critical in many scientific and engineering domains, and hinges on the model's ability to capture their underlying dynamics. Existing methods encode the intrinsic dynamics of high-dimensional…

计算工程、金融与科学 · 计算机科学 2025-11-18 Jingwen Cheng , Ruikun Li , Huandong Wang , Yong Li

In modern e-commerce, item content features in various modalities offer accurate yet comprehensive information to recommender systems. The majority of previous work either focuses on learning effective item representation during modelling…

信息检索 · 计算机科学 2024-08-15 Hao Wu , Alejandro Ariza-Casabona , Bartłomiej Twardowski , Tri Kurniawan Wijaya

Automated feature engineering (AFE) enables AI systems to autonomously construct high-utility representations from raw tabular data. However, existing AFE methods rely on statistical heuristics, yielding brittle features that fail under…

人工智能 · 计算机科学 2026-02-19 Arun Vignesh Malarkkan , Wangyang Ying , Yanjie Fu

Recent hardware acceleration advances have enabled powerful specialized accelerators for finite element computations, spiking neural network inference, and sparse tensor operations. However, existing approaches face fundamental limitations:…

硬件体系结构 · 计算机科学 2026-01-09 Chuanzhen Wang , Leo Zhang , Eric Liu

Simulations of the dynamic deformations of metal samples require elastic-plastic constitutive updates of the material behavior to be performed over a small time step between updates, as dictated by the Courant condition. Depending on the…

材料科学 · 物理学 2007-05-23 S. N. Kuchnicki , A. M. Cuitino , R. A. Radovitzky

We focus on the problem of estimating the change in the dependency structures of two $p$-dimensional Gaussian Graphical models (GGMs). Previous studies for sparse change estimation in GGMs involve expensive and difficult non-smooth…

机器学习 · 计算机科学 2018-05-24 Beilun Wang , Arshdeep Sekhon , Yanjun Qi

We present neural network-based constitutive models for hyperelastic geometrically exact beams. The proposed models are physics-augmented, i.e., formulated to fulfill important mechanical conditions by construction, which improves accuracy…

计算工程、金融与科学 · 计算机科学 2024-12-20 Jasper O. Schommartz , Dominik K. Klein , Juan C. Alzate Cobo , Oliver Weeger

We propose a physics-informed consistency modeling framework for solving partial differential equations (PDEs) via fast, few-step generative inference. We identify a key stability challenge in physics-constrained consistency training, where…

机器学习 · 计算机科学 2026-02-11 Che-Chia Chang , Chen-Yang Dai , Te-Sheng Lin , Ming-Chih Lai , Chieh-Hsin Lai

The world is inherently dynamic, and continual learning aims to enable models to adapt to ever-evolving data streams. While pre-trained models have shown powerful performance in continual learning, they still require finetuning to adapt…

机器学习 · 计算机科学 2026-03-20 Haihua Luo , Xuming Ran , Tommi Kärkkäinen , Huiyan Xue , Zhonghua Chen , Qi Xu , Fengyu Cong

Sparse regression on a library of candidate features has developed as the prime method to discover the partial differential equation underlying a spatio-temporal data-set. These features consist of higher order derivatives, limiting model…

机器学习 · 计算机科学 2021-05-05 Gert-Jan Both , Gijs Vermarien , Remy Kusters

Modeling the spontaneous evolution of morphology in natural systems and its preservation by proportionate growth remains a major scientific challenge. Yet, it is conceivable that if the basic mechanisms of growth and the coupled kinetic…

软凝聚态物质 · 物理学 2020-12-30 Virginia von Streng , Rami Abi-Akl , Bianca Giovanardi , Tal Cohen

Learning expressive representations for high-dimensional yet sparse features has been a longstanding problem in information retrieval. Though recent deep learning methods can partially solve the problem, they often fail to handle the…

Although deep neural networks have made remarkable achievements in the field of automatic modulation recognition (AMR), these models often require a large amount of labeled data for training. However, in many practical scenarios, the…

机器学习 · 计算机科学 2025-07-17 Yao Lu , Hongyu Gao , Zhuangzhi Chen , Dongwei Xu , Yun Lin , Qi Xuan , Guan Gui

Diffusion models have become the go-to method for text-to-image generation, producing high-quality images from pure noise. However, the inner workings of diffusion models is still largely a mystery due to their black-box nature and complex,…

计算机视觉与模式识别 · 计算机科学 2026-01-23 Berk Tinaz , Zalan Fabian , Mahdi Soltanolkotabi

Understanding the internal representations of large language models is crucial for ensuring their reliability and safety, with sparse autoencoders (SAEs) emerging as a promising interpretability approach. However, current SAE training…

机器学习 · 计算机科学 2025-10-13 T. Ed Li , Junyu Ren

Real-world problems are often dependent on multiple data modalities, making multimodal fusion essential for leveraging diverse information sources. In high-stakes domains, such as in healthcare, understanding how each modality contributes…

神经与进化计算 · 计算机科学 2025-05-19 Mafalda Malafaia , Thalea Schlender , Tanja Alderliesten , Peter A. N. Bosman

The additive partially linear model (APLM) combines the flexibility of nonparametric regression with the parsimony of regression models, and has been widely used as a popular tool in multivariate nonparametric regression to alleviate the…

统计方法学 · 统计学 2019-03-19 Xinyi Li , Li Wang , Dan Nettleton

Feature transformation aims to generate new pattern-discriminative feature space from original features to improve downstream machine learning (ML) task performances. However, the discrete search space for the optimal feature explosively…

机器学习 · 计算机科学 2023-09-26 Dongjie Wang , Meng Xiao , Min Wu , Pengfei Wang , Yuanchun Zhou , Yanjie Fu

We present PDE-FM, a modular foundation model for physics-informed machine learning that unifies spatial, spectral, and temporal reasoning across heterogeneous partial differential equation (PDE) systems. PDE-FM combines spatial-spectral…

Pan-sharpening involves reconstructing missing high-frequency information in multi-spectral images with low spatial resolution, using a higher-resolution panchromatic image as guidance. Although the inborn connection with frequency domain,…

计算机视觉与模式识别 · 计算机科学 2024-01-05 Xuanhua He , Keyu Yan , Rui Li , Chengjun Xie , Jie Zhang , Man Zhou
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