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Molecules have various computational representations, including numerical descriptors, strings, graphs, point clouds, and surfaces. Each representation method enables the application of various machine learning methodologies from linear…

机器学习 · 计算机科学 2025-02-18 Jirka Lhotka , Daniel Probst

Generative deep learning has become pivotal in molecular design for drug discovery, materials science, and chemical engineering. A widely used paradigm is to pretrain neural networks on string representations of molecules and fine-tune them…

The application of language models (LMs) to molecular structure generation using line notations such as SMILES and SELFIES has been well-established in the field of cheminformatics. However, extending these models to generate 3D molecular…

机器学习 · 计算机科学 2024-12-03 Kaiyuan Gao , Yusong Wang , Haoxiang Guan , Zun Wang , Qizhi Pei , John E. Hopcroft , Kun He , Lijun Wu

Accurately predicting molecular properties is a challenging but essential task in drug discovery. Recently, many mono-modal deep learning methods have been successfully applied to molecular property prediction. However, the inherent…

机器学习 · 计算机科学 2024-09-16 Xiaohua Lu , Liangxu Xie , Lei Xu , Rongzhi Mao , Shan Chang , Xiaojun Xu

The use of machine learning is becoming increasingly common in computational materials science. To build effective models of the chemistry of materials, useful machine-based representations of atoms and their compounds are required. We…

材料科学 · 物理学 2021-08-02 Luis M. Antunes , Ricardo Grau-Crespo , Keith T. Butler

We represent 3D shape by structured 2D representations of fixed length making it feasible to apply well investigated 2D convolutional neural networks (CNN) for both discriminative and geometric tasks on 3D shapes. We first provide a general…

计算机视觉与模式识别 · 计算机科学 2023-08-14 Kripasindhu Sarkar , Elizabeth Mathews , Didier Stricker

Human expertise in chemistry and biomedicine relies on contextual molecular understanding, a capability that large language models (LLMs) can extend through fine-grained alignment between molecular structures and text. Recent multimodal…

计算与语言 · 计算机科学 2025-03-10 Sumin Ha , Jun Hyeong Kim , Yinhua Piao , Sun Kim

Molecules and materials are the foundation for the development of modern advanced industries such as energy storage systems and semiconductor devices. However, traditional trial-and-error methods or theoretical calculations are highly…

Molecular graph representation learning is a fundamental problem in modern drug and material discovery. Molecular graphs are typically modeled by their 2D topological structures, but it has been recently discovered that 3D geometric…

机器学习 · 计算机科学 2022-05-31 Shengchao Liu , Hanchen Wang , Weiyang Liu , Joan Lasenby , Hongyu Guo , Jian Tang

We establish connections between the Transformer architecture, originally introduced for natural language processing, and Graph Neural Networks (GNNs) for representation learning on graphs. We show how Transformers can be viewed as message…

机器学习 · 计算机科学 2025-06-30 Chaitanya K. Joshi

Ground-state 3D geometries of molecules are essential for many molecular analysis tasks. Modern quantum mechanical methods can compute accurate 3D geometries but are computationally prohibitive. Currently, an efficient alternative to…

Molecular knowledge resides within three different modalities of information sources: molecular structures, biomedical documents, and knowledge bases. Effective incorporation of molecular knowledge from these modalities holds paramount…

生物大分子 · 定量生物学 2023-07-24 Yizhen Luo , Kai Yang , Massimo Hong , Xing Yi Liu , Zaiqing Nie

Despite their ability to understand chemical knowledge, large language models (LLMs) remain limited in their capacity to propose novel molecules with desired functions (e.g., drug-like properties). In addition, the molecules that LLMs…

Graph Transformers have recently attracted attention for molecular property prediction by combining the inductive biases of graph neural networks (GNNs) with the global receptive field of Transformers. However, many existing hybrid…

机器学习 · 计算机科学 2026-04-09 Yi Yang , Ovidiu Daescu

Graphs are ubiquitous data structures for representing interactions between entities. With an emphasis on the use of graphs to represent chemical molecules, we explore the task of learning to generate graphs that conform to a distribution…

机器学习 · 计算机科学 2019-03-08 Qi Liu , Miltiadis Allamanis , Marc Brockschmidt , Alexander L. Gaunt

Medical image segmentation plays a crucial role in advancing healthcare systems for disease diagnosis and treatment planning. The u-shaped architecture, popularly known as U-Net, has proven highly successful for various medical image…

计算机视觉与模式识别 · 计算机科学 2023-10-13 Jieneng Chen , Jieru Mei , Xianhang Li , Yongyi Lu , Qihang Yu , Qingyue Wei , Xiangde Luo , Yutong Xie , Ehsan Adeli , Yan Wang , Matthew Lungren , Lei Xing , Le Lu , Alan Yuille , Yuyin Zhou

In this work, we introduce a method to fine-tune a Transformer-based generative model for molecular de novo design. Leveraging the superior sequence learning capacity of Transformers over Recurrent Neural Networks (RNNs), our model can…

机器学习 · 计算机科学 2024-03-11 Pengcheng Xu , Tao Feng , Tianfan Fu , Siddhartha Laghuvarapu , Jimeng Sun

Language Models (LMs) have demonstrated impressive molecule understanding ability on various 1D text-related tasks. However, they inherently lack 2D graph perception - a critical ability of human professionals in comprehending molecules'…

计算与语言 · 计算机科学 2024-01-19 Zhiyuan Liu , Sihang Li , Yanchen Luo , Hao Fei , Yixin Cao , Kenji Kawaguchi , Xiang Wang , Tat-Seng Chua

Parametric 3D models have enabled a wide variety of tasks in computer graphics and vision, such as modeling human bodies, faces, and hands. However, the construction of these parametric models is often tedious, as it requires heavy manual…

计算机视觉与模式识别 · 计算机科学 2021-08-06 Pablo Palafox , Aljaž Božič , Justus Thies , Matthias Nießner , Angela Dai

Generating a novel and optimized molecule with desired chemical properties is an essential part of the drug discovery process. Failure to meet one of the required properties can frequently lead to failure in a clinical test which is costly.…

机器学习 · 计算机科学 2020-10-28 Bonggun Shin , Sungsoo Park , JinYeong Bak , Joyce C. Ho