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In drug discovery, knowledge of the graph structure of chemical compounds is essential. Many thousands of scientific articles in chemistry and pharmaceutical sciences have investigated chemical compounds, but in cases the details of the…

Machine Learning · Statistics 2020-09-16 Martijn Oldenhof , Adam Arany , Yves Moreau , Jaak Simm

Designing de-novo molecules with desired property profiles requires efficient exploration of the vast chemical space ranging from $10^{23}$ to $10^{60}$ possible synthesizable candidates. While various deep generative models have been…

Machine Learning · Computer Science 2025-08-25 Kamran Chitsaz , Roshan Balaji , Quentin Fournier , Nirav Pravinbhai Bhatt , Sarath Chandar

Multi-modal entity alignment aims to identify equivalent entities between two different multi-modal knowledge graphs, which consist of structural triples and images associated with entities. Most previous works focus on how to utilize and…

Computation and Language · Computer Science 2022-09-05 Zhenxi Lin , Ziheng Zhang , Meng Wang , Yinghui Shi , Xian Wu , Yefeng Zheng

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…

Machine Learning · Computer Science 2024-09-16 Xiaohua Lu , Liangxu Xie , Lei Xu , Rongzhi Mao , Shan Chang , Xiaojun Xu

Optimizing techniques for discovering molecular structures with desired properties is crucial in artificial intelligence(AI)-based drug discovery. Combining deep generative models with reinforcement learning has emerged as an effective…

Machine Learning · Computer Science 2024-04-01 Jinyeong Park , Jaegyoon Ahn , Jonghwan Choi , Jibum Kim

Effective protein representation learning is crucial for predicting protein functions. Traditional methods often pretrain protein language models on large, unlabeled amino acid sequences, followed by finetuning on labeled data. While…

Biomolecules · Quantitative Biology 2024-09-05 Jiangbin Zheng , Stan Z. Li

The primary objective of Optical Chemical Structure Recognition is to identify chemical structure images into corresponding markup sequences. However, the complex two-dimensional structures of molecules, particularly those with rings and…

Computer Vision and Pattern Recognition · Computer Science 2025-02-04 Qikai Chang , Mingjun Chen , Changpeng Pi , Pengfei Hu , Zhenrong Zhang , Jiefeng Ma , Jun Du , Baocai Yin , Jinshui Hu

Molecular representation learning is vital for various downstream applications, including the analysis and prediction of molecular properties and side effects. While Graph Neural Networks (GNNs) have been a popular framework for modeling…

Machine Learning · Computer Science 2025-02-18 Pengcheng Jiang , Cao Xiao , Tianfan Fu , Parminder Bhatia , Taha Kass-Hout , Jimeng Sun , Jiawei Han

Background: Computational drug repurposing is a cost- and time-efficient approach that aims to identify new therapeutic targets or diseases (indications) of existing drugs/compounds. It is especially critical for emerging and/or orphan…

Quantitative Methods · Quantitative Biology 2023-04-26 Chunyu Ma , Zhihan Zhou , Han Liu , David Koslicki

We present a framework, which we call Molecule Deep $Q$-Networks (MolDQN), for molecule optimization by combining domain knowledge of chemistry and state-of-the-art reinforcement learning techniques (double $Q$-learning and randomized value…

Machine Learning · Computer Science 2020-06-22 Zhenpeng Zhou , Steven Kearnes , Li Li , Richard N. Zare , Patrick Riley

Most current molecular language models transfer the masked language model or image-text generation model from natural language processing to molecular field. However, molecules are not solely characterized by atom/bond symbols; they…

Emerging Technologies · Computer Science 2024-11-26 Yifan Wu , Min Zeng , Yang Li , Yang Zhang , Min Li

With the emergence of various molecular tasks and massive datasets, how to perform efficient training has become an urgent yet under-explored issue in the area. Data pruning (DP), as an oft-stated approach to saving training burdens,…

Machine Learning · Computer Science 2024-09-04 Dingshuo Chen , Zhixun Li , Yuyan Ni , Guibin Zhang , Ding Wang , Qiang Liu , Shu Wu , Jeffrey Xu Yu , Liang Wang

Recent advances in molecular representation integrates molecular topological and visual modalities, opening new avenues for precise Molecular Relational Learning (MRL). Existing MRL methods focus on intra-domain modeling, and their inherent…

Machine Learning · Computer Science 2026-05-25 Peiliang Zhang , Jingling Yuan , Shiqing Wu , Mengqing Hu , Chao Che , Yongjun Zhu , Lin Li

Polymers are high-molecular-weight compounds constructed by the covalent bonding of numerous identical or similar monomers so that their 3D structures are complex yet exhibit unignorable regularity. Typically, the properties of a polymer,…

Machine Learning · Computer Science 2024-07-29 Fanmeng Wang , Wentao Guo , Minjie Cheng , Shen Yuan , Hongteng Xu , Zhifeng Gao

Drug repositioning aims to identify potential new indications for existing drugs to reduce the time and financial costs associated with developing new drugs. Most existing deep learning-based drug repositioning methods predominantly utilize…

Machine Learning · Computer Science 2025-06-02 Renye Zhang , Mengyun Yang , Qichang Zhao , Jianxin Wang

Multimodal Emotion Recognition (MER) often encounters incomplete multimodality in practical applications due to sensor failures or privacy protection requirements. While existing methods attempt to address various incomplete multimodal…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Xinkui Zhao , Jinsong Shu , Yangyang Wu , Guanjie Cheng , Zihe Liu , Naibo Wang , Shuiguang Deng , Zhongle Xie , Jianwei Yin

Pre-trained vision-language (V-L) models such as CLIP have shown excellent generalization ability to downstream tasks. However, they are sensitive to the choice of input text prompts and require careful selection of prompt templates to…

Computer Vision and Pattern Recognition · Computer Science 2023-04-04 Muhammad Uzair Khattak , Hanoona Rasheed , Muhammad Maaz , Salman Khan , Fahad Shahbaz Khan

We study sample-efficient molecular optimization under a limited budget of oracle evaluations. We propose MolLIBRA (MultimOdaLity and Language Integrated Bayesian and evolutionaRy optimizAtion), a genetic algorithm based framework that…

Neural and Evolutionary Computing · Computer Science 2026-02-10 Masahi Okada , Kazuki Sakai , Hiroaki Yoshida , Masaki Okoshi , Tadahiro Taniguchi

We proposed the molecular hyper-message passing network (MolHMPN) that predicts the properties of a molecule with prior knowledge-guided subgraph. Modeling higher-order connectivities in molecules is necessary as changes in both the…

Computational Engineering, Finance, and Science · Computer Science 2022-01-05 Fangying Chen , Junyoung Park , Jinkyoo Park

Accurate molecular property prediction requires integrating complementary information from molecular structure and chemical semantics. In this work, we propose LGM-CL, a local-global multimodal contrastive learning framework that jointly…

Machine Learning · Computer Science 2026-02-02 Xiayu Liu , Zhengyi Lu , Yunhong Liao , Chan Fan , Hou-biao Li