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Digitalization leads to data transparency for production systems that we can benefit from with data-driven analysis methods like neural networks. For example, automated anomaly detection enables saving resources and optimizing the…

机器学习 · 计算机科学 2021-06-23 Tom Hammerbacher , Markus Lange-Hegermann , Gorden Platz

The accurate calculation of phonons and vibrational spectra remains a significant challenge, requiring highly precise evaluations of interatomic forces. Traditional methods based on the quantum description of the electronic structure, while…

计算物理 · 物理学 2025-06-03 Bowen Han , Yongqiang Cheng

Positive Unlabeled (PU) learning is widely used in many applications, where a binary classifier is trained on the datasets consisting of only positive and unlabeled samples. In this paper, we improve PU learning over state-of-the-art from…

机器学习 · 计算机科学 2020-04-22 Liwei Jiang , Dan Li , Qisheng Wang , Shuai Wang , Songtao Wang

Most prediction models for crystal properties employ a unimodal perspective, with graph-based representations, overlooking important non-local information that affects crystal properties. Some recent studies explore the impact of…

材料科学 · 物理学 2024-12-09 Mrigi Munjal , Jaewan Lee , Changyoung Park , Sehui Han

The need for learning from unlabeled data is increasing in contemporary machine learning. Methods for unsupervised feature ranking, which identify the most important features in such data are thus gaining attention, and so are their…

机器学习 · 计算机科学 2021-11-29 Urh Primožič , Blaž Škrlj , Sašo Džeroski , Matej Petković

We present UNSEE: Unsupervised Non-Contrastive Sentence Embeddings, a novel approach that outperforms SimCSE in the Massive Text Embedding benchmark. Our exploration begins by addressing the challenge of representation collapse, a…

计算与语言 · 计算机科学 2024-02-05 Ömer Veysel Çağatan

Extreme low-data fine-grained classification is common in expert domains where labeling is expensive, yet practitioners still need principled guidance for selecting pretrained encoders. We study emerald inclusion grading with a custom…

计算机视觉与模式识别 · 计算机科学 2026-05-20 Alexander Hackett , Srikanth Thudumu , Ginny Fisher , Jason Fisher

Machine learning interatomic potentials have revolutionized complex materials design by enabling rapid exploration of material configurational spaces via crystal structure prediction with ab initio accuracy. However, critical challenges…

Crystal structure forms the foundation for understanding the physical and chemical properties of materials. Generative models have emerged as a new paradigm in crystal structure prediction(CSP), however, accurately capturing key…

材料科学 · 物理学 2025-02-14 Ziyi Chen , Yang Yuan , Siming Zheng , Jialong Guo , Sihan Liang , Yangang Wang , Zongguo Wang

Semi-supervised learning faces significant challenges in realistic scenarios where labeled data is scarce and unlabeled data follows unknown, arbitrary distributions. We formalize this critical yet under-explored paradigm as Universal…

机器学习 · 计算机科学 2026-05-18 Yaxin Hou , Jun Ma , Hanyang Li , Bo Han , Jie Yu , Yuheng Jia

Collecting labeled data for many important tasks in chemoinformatics is time consuming and requires expensive experiments. In recent years, machine learning has been used to learn rich representations of molecules using large scale…

机器学习 · 计算机科学 2022-05-20 A. Tevosyan , L. Khondkaryan , H. Khachatrian , G. Tadevosyan , L. Apresyan , N. Babayan , H. Stopper , Z. Navoyan

The advancement of deep learning has greatly improved supervised image classification. However, labeling data is costly, prompting research into unsupervised learning methods such as contrastive learning. In real-world scenarios, fully…

人工智能 · 计算机科学 2026-01-09 Shogo Nakayama , Masahiro Okuda

The task of node classification is to infer unknown node labels, given the labels for some of the nodes along with the network structure and other node attributes. Typically, approaches for this task assume homophily, whereby neighboring…

社会与信息网络 · 计算机科学 2021-09-15 Arpit Merchant , Michael Mathioudakis

Ultrahigh lattice thermal conductivity materials hold great importance since they play a critical role in the thermal management of electronic and optical devices. Models using machine learning can search for materials with outstanding…

材料科学 · 物理学 2021-05-19 Shenghong Ju , Ryo Yoshida , Chang Liu , Kenta Hongo , Terumasa Tadano , Junichiro Shiomi

Active learning is a commonly used approach that reduces the labeling effort required to train deep neural networks. However, the effectiveness of current active learning methods is limited by their closed-world assumptions, which assume…

机器学习 · 计算机科学 2024-01-11 Ruiyu Mao , Ouyang Xu , Yunhui Guo

Embeddings are one of the fundamental building blocks for data analysis tasks. Embeddings are already essential tools for large language models and image analysis, and their use is being extended to many other research domains. The…

Network embedding is a highly effective method to learn low-dimensional node vector representations with original network structures being well preserved. However, existing network embedding algorithms are mostly developed for a single…

社会与信息网络 · 计算机科学 2021-05-06 Xiao Shen , Quanyu Dai , Sitong Mao , Fu-lai Chung , Kup-Sze Choi

Unsupervised domain adaptation (UDA) adapts a model trained on one domain (called source) to a novel domain (called target) using only unlabeled data. Due to its high annotation cost, researchers have developed many UDA methods for semantic…

计算机视觉与模式识别 · 计算机科学 2024-01-23 Zhijie Wang , Masanori Suganuma , Takayuki Okatani

Structure optimization, which yields the relaxed structure (minimum-energy state), is essential for reliable materials property calculations, yet traditional ab initio approaches such as density-functional theory (DFT) are computationally…

材料科学 · 物理学 2025-11-18 Ziduo Yang , Yi-Ming Zhao , Xian Wang , Wei Zhuo , Xiaoqing Liu , Lei Shen

Universal machine learning interatomic potentials have emerged as efficient tools for materials simulation, yet their reliability for elastic property prediction remains unclear. Here, we present a systematic benchmark of four uMLIPs --…

材料科学 · 物理学 2026-03-06 Pengfei Gao , Haidi Wang