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Machine learning models of materials$^{1-5}$ accelerate discovery compared to ab initio methods: deep learning models now reproduce density functional theory (DFT)-calculated results at one hundred thousandths of the cost of DFT$^{6}$. To…

Continually learning new classes from fresh data without forgetting previous knowledge of old classes is a very challenging research problem. Moreover, it is imperative that such learning must respect certain memory and computational…

计算机视觉与模式识别 · 计算机科学 2022-04-01 Michael Hersche , Geethan Karunaratne , Giovanni Cherubini , Luca Benini , Abu Sebastian , Abbas Rahimi

The electron density of a molecule or material has recently received major attention as a target quantity of machine-learning models. A natural choice to construct a model that yields transferable and linear-scaling predictions is to…

化学物理 · 物理学 2022-06-29 Andrea Grisafi , Alan M. Lewis , Mariana Rossi , Michele Ceriotti

The stochastic density functional theory (DFT) [Phys. Rev. Lett. 111, 106402 (2013)] is a valuable linear scaling approach to Kohn-Sham DFT that does not rely on the sparsity of the density matrix. Linear (and often sub-linear) scaling is…

化学物理 · 物理学 2019-02-20 Ming Chen , Roi Baer , Daniel Neuhauser , Eran Rabani

To alleviate the substantial cost of manually crafting user interface (UI) test cases, UI test migration aims to automatically generate test cases for a target mobile application (app) by adapting those from a source app that shares similar…

软件工程 · 计算机科学 2024-09-23 Mengzhou Wu , Hao Wang , Jun Ren , Yuan Cao , Yuetong Li , Alex Jiang , Dezhi Ran , Yitao Hu , Wei Yang , Tao Xie

Training with huge datasets and a large number of participating devices leads to bottlenecks in federated learning (FL). Furthermore, the challenges of heterogeneity between multiple FL clients affect the overall performance of the system.…

机器学习 · 计算机科学 2025-06-06 Dev Gurung , Shiva Raj Pokhrel

In 6G mobile communication systems, various AI-based network functions and applications have been standardized. Federated learning (FL) is adopted as the core learning architecture for 6G systems to avoid privacy leakage from mobile user…

分布式、并行与集群计算 · 计算机科学 2024-10-01 Seyoung Ahn , Soohyeong Kim , Yongseok Kwon , Joohan Park , Jiseung Youn , Sunghyun Cho

Imitation learning (IL) is a framework that learns to imitate expert behavior from demonstrations. Recently, IL shows promising results on high dimensional and control tasks. However, IL typically suffers from sample inefficiency in terms…

机器学习 · 计算机科学 2021-11-24 Lihua Zhang

Class-incremental learning (CIL) seeks to enable a model to sequentially learn new classes while retaining knowledge of previously learned ones. Balancing flexibility and stability remains a significant challenge, particularly when the task…

计算机视觉与模式识别 · 计算机科学 2025-02-18 Fangwen Wu , Lechao Cheng , Shengeng Tang , Xiaofeng Zhu , Chaowei Fang , Dingwen Zhang , Meng Wang

Computational high-throughput virtual screening is essential for identifying redox-active molecules for sustainable applications such as electrochemical carbon capture. A primary challenge in this approach is the high computational cost…

化学物理 · 物理学 2026-01-19 Yicheng Chen , Lixue Cheng , Yan Jing , Peichen Zhong

Few-shot class-incremental learning (FSCIL) aims to design machine learning algorithms that can continually learn new concepts from a few data points, without forgetting knowledge of old classes. The difficulty lies in that limited data…

计算机视觉与模式识别 · 计算机科学 2021-04-08 Chi Zhang , Nan Song , Guosheng Lin , Yun Zheng , Pan Pan , Yinghui Xu

Solving symmetric positive definite linear problems is a fundamental computational task in machine learning. The exact solution, famously, is cubicly expensive in the size of the matrix. To alleviate this problem, several linear-time…

机器学习 · 计算机科学 2017-06-02 Filip de Roos , Philipp Hennig

K-FAC (arXiv:1503.05671, arXiv:1602.01407) is a tractable implementation of Natural Gradient (NG) for Deep Learning (DL), whose bottleneck is computing the inverses of the so-called ``Kronecker-Factors'' (K-factors). RS-KFAC…

机器学习 · 计算机科学 2023-09-13 Constantin Octavian Puiu

Computational screening has become a powerful complement to experimental efforts in the discovery of high-performance photovoltaic (PV) materials. Most workflows rely on density functional theory (DFT) to estimate electronic and optical…

材料科学 · 物理学 2025-07-18 Matthew Walker , Keith T. Butler

Computational virtual high-throughput screening (VHTS) with density functional theory (DFT) and machine-learning (ML)-acceleration is essential in rapid materials discovery. By necessity, efficient DFT-based workflows are carried out with a…

材料科学 · 物理学 2021-06-25 Chenru Duan , Shuxin Chen , Michael G. Taylor , Fang Liu , Heather J. Kulik

Self-supervised representation learning (SSL) methods provide an effective label-free initial condition for fine-tuning downstream tasks. However, in numerous realistic scenarios, the downstream task might be biased with respect to the…

机器学习 · 计算机科学 2022-11-01 Andrius Ovsianas , Jason Ramapuram , Dan Busbridge , Eeshan Gunesh Dhekane , Russ Webb

Supervised Fine-Tuning (SFT) is the standard paradigm for domain adaptation, yet it frequently incurs the cost of catastrophic forgetting. In sharp contrast, on-policy Reinforcement Learning (RL) effectively preserves general capabilities.…

机器学习 · 计算机科学 2026-01-06 Muxi Diao , Lele Yang , Wuxuan Gong , Yutong Zhang , Zhonghao Yan , Yufei Han , Kongming Liang , Weiran Xu , Zhanyu Ma

Collaborative Filtering (CF) is a widely used technique which allows to leverage past users' preferences data to identify behavioural patterns and exploit them to predict custom recommendations. In this work, we illustrate our review of…

信息检索 · 计算机科学 2022-09-28 Andrea Pinto , Giacomo Camposampiero , Loïc Houmard , Marc Lundwall

Although Large language Model (LLM)-powered information extraction (IE) systems have shown impressive capabilities, current fine-tuning paradigms face two major limitations: high training costs and difficulties in aligning with LLM…

计算与语言 · 计算机科学 2025-12-16 Yushen Fang , Jianjun Li , Mingqian Ding , Chang Liu , Xinchi Zou , Wenqi Yang

Continual learning (CL) aims to train models that can learn a sequence of tasks without forgetting previously acquired knowledge. A core challenge in CL is balancing stability -- preserving performance on old tasks -- and plasticity --…

机器学习 · 计算机科学 2025-05-14 Zhenrong Liu , Janne M. J. Huttunen , Mikko Honkala