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Recently, deep generative models have revealed itself as a promising way of performing de novo molecule design. However, previous research has focused mainly on generating SMILES strings instead of molecular graphs. Although current graph…

定量方法 · 定量生物学 2018-04-24 Yibo Li , Liangren Zhang , Zhenming Liu

Molecular representation learning is fundamental for many drug related applications. Most existing molecular pre-training models are limited in using single molecular modality, either SMILES or graph representation. To effectively leverage…

机器学习 · 计算机科学 2024-11-05 Shikun Feng , Lixin Yang , Yanwen Huang , Yuyan Ni , Weiying Ma , Yanyan Lan

Graph neural networks have demonstrated remarkable success in predicting molecular properties by leveraging the rich structural information encoded in molecular graphs. However, their black-box nature reduces interpretability, which limits…

机器学习 · 计算机科学 2025-08-22 Sebastian Musiał , Bartosz Zieliński , Tomasz Danel

Generative models for molecules based on sequential line notation (e.g. SMILES) or graph representation have attracted an increasing interest in the field of structure-based drug design, but they struggle to capture important 3D spatial…

Explainability poses a major challenge to artificial intelligence (AI) techniques. Current studies on explainable AI (XAI) lack the efficiency of extracting global knowledge about the learning task, thus suffer deficiencies such as…

计算机视觉与模式识别 · 计算机科学 2023-06-14 Ruitao Xie , Jingbang Chen , Limai Jiang , Rui Xiao , Yi Pan , Yunpeng Cai

Molecules have seemed like a natural fit to deep learning's tendency to handle a complex structure through representation learning, given enough data. However, this often continuous representation is not natural for understanding chemical…

机器学习 · 计算机科学 2021-03-12 Austin Clyde , Arvind Ramanathan , Rick Stevens

Purpose: Large Language Models (LLMs) like GPT (Generative Pre-trained Transformer) from OpenAI and LLaMA (Large Language Model Meta AI) from Meta AI are increasingly recognized for their potential in the field of cheminformatics,…

生物大分子 · 定量生物学 2024-05-22 Shaghayegh Sadeghi , Alan Bui , Ali Forooghi , Jianguo Lu , Alioune Ngom

End-to-end scene text spotting, which unifies text detection and recognition within a single framework, has witnessed remarkable progress driven by deep learning advances. However, most existing approaches still suffer from incomplete mask…

计算机视觉与模式识别 · 计算机科学 2026-05-19 Antonio Colombo , Giovanni Bianchi

Large language models (LLMs) are increasingly recognized as powerful tools for scientific discovery, particularly in molecular science. A fundamental requirement for these models is the ability to accurately understand molecular structures,…

机器学习 · 计算机科学 2025-05-23 Yunhui Jang , Jaehyung Kim , Sungsoo Ahn

Molecules are graphs, but large language models~(LLMs) are usually asked to reason about them through linear strings. The most popular molecular representation, SMILES, compresses atoms, bonds, branches and rings into a compact sequence in…

生物大分子 · 定量生物学 2026-05-19 Zhiyuan Yan , Chen Liu , Boxuan Zhao , Kaiqing Lin , Jixiang Zhao , Yimi Wang , Liuzhenghao Lv , Hao Li , Shanzhuo Zhang , Li Yuan , Fanyang Mo

SFILES is a text-based notation for chemical process flowsheets. It was originally proposed by d'Anterroches (2006) who was inspired by the text-based SMILES notation for molecules. The text-based format has several advantages compared to…

数据库 · 计算机科学 2024-01-17 Gabriel Vogel , Lukas Schulze Balhorn , Edwin Hirtreiter , Artur M. Schweidtmann

Semantic image synthesis (SIS) refers to the problem of generating realistic imagery given a semantic segmentation mask that defines the spatial layout of object classes. Most of the approaches in the literature, other than the quality of…

计算机视觉与模式识别 · 计算机科学 2023-07-12 Tomaso Fontanini , Claudio Ferrari , Massimo Bertozzi , Andrea Prati

Generative chemical language models (CLMs) have demonstrated strong capabilities in molecular design, yet their impact in drug discovery remains limited by the absence of reliable reward signals and the lack of interpretability in their…

机器学习 · 计算机科学 2025-07-15 Lu Zhu , Emmanuel Noutahi

Mutagenicity is a concern due to its association with genetic mutations which can result in a variety of negative consequences, including the development of cancer. Earlier identification of mutagenic compounds in the drug development…

机器学习 · 计算机科学 2024-09-06 Tanya Liyaqat , Tanvir Ahmad , Mohammad Kashif , Chandni Saxena

Recurrent neural networks have been widely used to generate millions of de novo molecules in a known chemical space. These deep generative models are typically setup with LSTM or GRU units and trained with canonical SMILEs. In this study,…

机器学习 · 计算机科学 2019-09-12 Ruud van Deursen , Peter Ertl , Igor V. Tetko , Guillaume Godin

Image segmentation is fundamental to microstructural analysis for defect identification and structure-property correlation, yet remains challenging due to pronounced heterogeneity in materials images arising from varied processing and…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Sanjeev S. Navaratna , Nikhil Thawari , Gunashekhar Mari , Amritha V P , Murugaiyan Amirthalingam , Rohit Batra

Language models demonstrate fundamental abilities in syntax, semantics, and reasoning, though their performance often depends significantly on the inputs they process. This study introduces TSIS (Simplified TSID) and its variants:TSISD…

人工智能 · 计算机科学 2024-11-19 Juan-Ni Wu , Tong Wang , Li-Juan Tang , Hai-Long Wu , Ru-Qin Yu

Attributed graph clustering, which aims to group the nodes of an attributed graph into disjoint clusters, has made promising advancements in recent years. However, most existing methods face challenges when applied to large graphs due to…

机器学习 · 计算机科学 2024-08-13 Yunhui Liu , Tieke He , Qing Wu , Tao Zheng , Jianhua Zhao

There is more and more evidence that machine learning can be successfully applied in materials science and related fields. However, datasets in these fields are often quite small ($\ll1000$ samples). It makes the most advanced machine…

计算物理 · 物理学 2022-02-25 Guillaume Lambard , Ekaterina Gracheva

Free-hand sketches are appealing for humans as a universal tool to depict the visual world. Humans can recognize varied sketches of a category easily by identifying the concurrence and layout of the intrinsic semantic components of the…

计算机视觉与模式识别 · 计算机科学 2023-12-14 Guangming Zhu , Siyuan Wang , Tianci Wu , Liang Zhang