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The extraction of molecular structures and reaction data from scientific documents is challenging due to their varied, unstructured chemical formats and complex document layouts. To address this, we introduce MolMole, a vision-based deep…

Molecular Representation Learning (MRL) has proven impactful in numerous biochemical applications such as drug discovery and enzyme design. While Graph Neural Networks (GNNs) are effective at learning molecular representations from a 2D…

Determining the aqueous solubility of molecules is a vital step in many pharmaceutical, environmental, and energy storage applications. Despite efforts made over decades, there are still challenges associated with developing a solubility…

Materials Science · Physics 2022-09-05 Gihan Panapitiya , Michael Girard , Aaron Hollas , Vijay Murugesan , Wei Wang , Emily Saldanha

Deep learning has been a prevalence in computational chemistry and widely implemented in molecule property predictions. Recently, self-supervised learning (SSL), especially contrastive learning (CL), gathers growing attention for the…

Machine Learning · Computer Science 2022-06-01 Yuyang Wang , Rishikesh Magar , Chen Liang , Amir Barati Farimani

Most molecular diagram parsers recover chemical structure from raster images (e.g., PNGs). However, many PDFs include commands giving explicit locations and shapes for characters, lines, and polygons. We present a new parser that uses these…

Computer Vision and Pattern Recognition · Computer Science 2025-02-27 Ayush Kumar Shah , Bryan Manrique Amador , Abhisek Dey , Ming Creekmore , Blake Ocampo , Scott Denmark , Richard Zanibbi

Drug discovery projects entail cycles of design, synthesis, and testing that yield a series of chemically related small molecules whose properties, such as binding affinity to a given target protein, are progressively tailored to a…

Machine Learning · Computer Science 2020-02-10 Paul Maragakis , Hunter Nisonoff , Brian Cole , David E. Shaw

Molecular language modeling tasks such as molecule captioning have been recognized for their potential to further understand molecular properties that can aid drug discovery or material synthesis based on chemical reactions. Unlike the…

Machine Learning · Computer Science 2025-03-12 Sangyeup Kim , Nayeon Kim , Yinhua Piao , Sun Kim

Recent years have seen rapid development of descriptor generation based on representation learning of extremely diverse molecules, especially those that apply natural language processing (NLP) models to SMILES, a literal representation of…

Machine Learning · Computer Science 2024-02-20 Yasuhiro Yoshikai , Tadahaya Mizuno , Shumpei Nemoto , Hiroyuki Kusuhara

Representing molecular structures effectively in chemistry remains a challenging task. Language models and graph-based models are extensively utilized within this domain, consistently achieving state-of-the-art results across an array of…

Machine Learning · Computer Science 2025-05-27 Nikolai Rekut , Alexey Orlov , Klea Ziu , Elizaveta Starykh , Martin Takac , Aleksandr Beznosikov

Molecular representation learning (MRL) is a fundamental task for drug discovery. However, previous deep-learning (DL) methods focus excessively on learning robust inner-molecular representations by mask-dominated pretraining framework,…

Biomolecules · Quantitative Biology 2023-06-16 Yu Wang , JingJie Zhang , Junru Jin , Leyi Wei

AI for drug discovery has been a research hotspot in recent years, and SMILES-based language models has been increasingly applied in drug molecular design. However, no work has explored whether and how language models understand the…

Machine Learning · Computer Science 2024-01-17 Xiuyuan Hu , Guoqing Liu , Yang Zhao , Hao Zhang

Molecular property prediction refers to the task of labeling molecules with some biochemical properties, playing a pivotal role in the drug discovery and design process. Recently, with the advancement of machine learning, deep…

Molecular Networks · Quantitative Biology 2024-01-10 Zeyu Wang , Tianyi Jiang , Jinhuan Wang , Qi Xuan

The crucial field of Optical Chemical Structure Recognition (OCSR) aims to transform chemical structure photographs into machine-readable formats so that chemical databases may be efficiently stored and queried. Although a number of OCSR…

Machine Learning · Computer Science 2025-02-25 Zishuo Lin , Jiajie Wang , Zhe Yan , Peiyong Ma

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…

Artificial Intelligence · Computer Science 2026-01-14 Jingchao Wang , Yifan He , Haote Yang , Jiang Wu , Lingli Ge , Xingjian Wei , Yinfan Wang , Linye Li , Huijie Ao , Chengjin Liu , Bin Wang , Lijun Wu , Conghui He

Geometric deep learning has been revolutionizing the molecular modeling field. Despite the state-of-the-art neural network models are approaching ab initio accuracy for molecular property prediction, their applications, such as drug…

Chemical Physics · Physics 2023-08-17 Yusong Wang , Shaoning Li , Xinheng He , Mingyu Li , Zun Wang , Nanning Zheng , Bin Shao , Tie-Yan Liu , Tong Wang

The application of convolutional neural networks (ConvNets) to harness high-content screening images or 2D compound representations is gaining increasing attention in drug discovery. However, existing applications often require large data…

Computer Vision and Pattern Recognition · Computer Science 2019-06-25 Isidro Cortes Ciriano , Andreas Bender

Properties of molecules are indicative of their functions and thus are useful in many applications. With the advances of deep learning methods, computational approaches for predicting molecular properties are gaining increasing momentum.…

Quantitative Methods · Quantitative Biology 2021-07-07 Zhengyang Wang , Meng Liu , Youzhi Luo , Zhao Xu , Yaochen Xie , Limei Wang , Lei Cai , Qi Qi , Zhuoning Yuan , Tianbao Yang , Shuiwang Ji

Molecular representation is a critical element in our understanding of the physical world and the foundation for modern molecular machine learning. Previous molecular machine learning models have employed strings, fingerprints, global…

Machine Learning · Computer Science 2025-05-28 Daniil A. Boiko , Thiago Reschützegger , Benjamin Sanchez-Lengeling , Samuel M. Blau , Gabe Gomes

Small molecules are essential to drug discovery, and graph-language models hold promise for learning molecular properties and functions from text. However, existing molecule-text datasets are limited in scale and informativeness,…

Biomolecules · Quantitative Biology 2025-06-03 Yihan Zhu , Gang Liu , Eric Inae , Meng Jiang

Optical chemical structure recognition (OCSR) translates molecular images into machine-readable representations like SMILES strings or molecular graphs, but remains challenging in real-world documents due to inexhaustible variations in…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Zhuoqi Lyu , Qing Ke