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Machine Learning on graph-structured data is an important and omnipresent task for a vast variety of applications including anomaly detection and dynamic network analysis. In this paper, a deep generative model is introduced to capture…

机器学习 · 计算机科学 2018-09-12 Mahdi Khodayar , Saeed Mohammadi , Mohammad Khodayar , Jianhui Wang , Guangyi Liu

Generating novel molecules is challenging, with most representations leading to generative models producing many invalid molecules. Spanning Tree-based Graph Generation (STGG) is a promising approach to ensure the generation of valid…

机器学习 · 计算机科学 2025-07-17 Alexia Jolicoeur-Martineau , Aristide Baratin , Kisoo Kwon , Boris Knyazev , Yan Zhang

Transformer architectures excel at sequential modeling yet remain fundamentally limited by correlational learning - they capture spurious associations induced by latent confounders rather than invariant causal mechanisms. We identify this…

机器学习 · 计算机科学 2026-03-17 Charles Luo

Accurate prediction of dielectric tensors is essential for accelerating the discovery of next-generation inorganic dielectric materials. Existing machine learning approaches, such as equivariant graph neural networks, typically rely on…

材料科学 · 物理学 2026-01-13 Haowei Hua , Chen Liang , Ding Pan , Irwin King , Shengchao Liu , Koji Tsuda , Wanyu Lin

For several decades, chemical knowledge has been published in written text, and there have been many attempts to make it accessible, for example, by transforming such natural language text to a structured format. Although the discovered…

计算机视觉与模式识别 · 计算机科学 2022-02-22 Sanghyun Yoo , Ohyun Kwon , Hoshik Lee

Transformer-based models trained on large and general purpose datasets consisting of molecular strings have recently emerged as a powerful tool for successfully modeling various structure-property relations. Inspired by this success, we…

Change detection (CD) in remote sensing aims to identify semantic differences between satellite images captured at different times. While deep learning has significantly advanced this field, existing approaches based on convolutional neural…

计算机视觉与模式识别 · 计算机科学 2026-03-03 Durgesh Ameta , Ujjwal Mishra , Praful Hambarde , Amit Shukla

The rapid emergence of single-cell data has facilitated the study of many different biological conditions at the cellular level. Cluster analysis has been widely applied to identify cell types, capturing the essential patterns of the…

基因组学 · 定量生物学 2025-02-03 Sebastian Pena , Lin Lin , Jia Li

Understanding tables is an important aspect of natural language understanding. Existing models for table understanding require linearization of the table structure, where row or column order is encoded as an unwanted bias. Such spurious…

计算与语言 · 计算机科学 2022-05-04 Jingfeng Yang , Aditya Gupta , Shyam Upadhyay , Luheng He , Rahul Goel , Shachi Paul

Although graph neural networks have achieved great success in the task of molecular property prediction in recent years, their generalization ability under out-of-distribution (OOD) settings is still under-explored. Different from existing…

机器学习 · 计算机科学 2023-11-09 Zijian Li , Zunhong Xu , Ruichu Cai , Zhenhui Yang , Yuguang Yan , Zhifeng Hao , Guangyi Chen , Kun Zhang

Context. The spatial power spectrum of supergranulation does not fully characterize the underlying physics of turbulent convection. For example, it does not describe the non-Gaussianity in the horizontal flow divergence. Aims. Our aim is to…

太阳与恒星天体物理 · 物理学 2020-04-01 Vincent G. A. Böning , Aaron C. Birch , Laurent Gizon , Thomas L. Duvall , Jesper Schou

Feature pyramids have been widely adopted in convolutional neural networks and transformers for tasks in medical image segmentation. However, existing models generally focus on the Encoder-side Transformer for feature extraction. We further…

计算机视觉与模式识别 · 计算机科学 2025-04-08 Hongyi Cai , Mohammad Mahdinur Rahman , Wenzhen Dong , Jingyu Wu

Predicting which hypothetical inorganic crystals can be experimentally realized remains a central challenge in accelerating materials discovery. SyntheFormer is a positive-unlabeled framework that learns synthesizability directly from…

材料科学 · 物理学 2025-10-23 Danial Ebrahimzadeh , Sarah Sharif , Yaser Mike Banad

Advances in deep learning have greatly improved structure prediction of molecules. However, many macroscopic observations that are important for real-world applications are not functions of a single molecular structure, but rather…

Development of next-generation electronic devices for applications call for the discovery of quantum materials hosting novel electronic, magnetic, and topological properties. Traditional electronic structure methods require expensive…

计算物理 · 物理学 2020-05-28 Hexin Bai , Peng Chu , Jeng-Yuan Tsai , Nathan Wilson , Xiaofeng Qian , Qimin Yan , Haibin Ling

Organic solar cells (OSCs) based on ADA-type (acceptor-donor-acceptor) non-fullerene acceptors (NFAs) exhibit improved power conversion efficiency (PCE) compared to the conventional fullerene-based analogues. The optoelectronic properties…

The Topological Signal Processing (TSP) framework has been recently developed to analyze signals defined over simplicial complexes, i.e. topological spaces represented by finite sets of elements that are closed under inclusion of subsets…

信号处理 · 电气工程与系统科学 2021-12-14 Stefania Sardellitti , Sergio Barbarossa , Lucia Testa

Molecular Representation Learning is essential to solving many drug discovery and computational chemistry problems. It is a challenging problem due to the complex structure of molecules and the vast chemical space. Graph representations of…

机器学习 · 计算机科学 2023-01-18 Atia Hamidizadeh , Tony Shen , Martin Ester

Optical Chemical Structure Recognition (OCSR) is essential for converting molecular images into machine-readable formats. While recent vision-language models (VLMs) have shown promise, their image-captioning approach often struggles with…

Obstacle detection and tracking represent a critical component in robot autonomous navigation. In this paper, we propose ODTFormer, a Transformer-based model to address both obstacle detection and tracking problems. For the detection task,…

机器人学 · 计算机科学 2024-10-28 Tianye Ding , Hongyu Li , Huaizu Jiang