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The core of molecular dynamics simulation fundamentally lies in the interatomic potential. Traditional empirical potentials lack accuracy, while first-principles methods are computationally prohibitive. Machine learning interatomic…

Machine Learning · Computer Science 2026-03-25 Shuyu Bi , Zhede Zhao , Qiangchao Sun , Tao Hu , Xionggang Lu , Hongwei Cheng

For unsupervised pretraining, mask-reconstruction pretraining (MRP) approaches, e.g. MAE and data2vec, randomly mask input patches and then reconstruct the pixels or semantic features of these masked patches via an auto-encoder. Then for a…

Machine Learning · Computer Science 2023-02-14 Jiachun Pan , Pan Zhou , Shuicheng Yan

Cross-modal medical image-report retrieval task plays a significant role in clinical diagnosis and various medical generative tasks. Eliminating heterogeneity between different modalities to enhance semantic consistency is the key challenge…

Computer Vision and Pattern Recognition · Computer Science 2025-05-21 Zeqiang Wei , Kai Jin , Xiuzhuang Zhou

Multimodal molecular representation learning, which jointly models molecular graphs and their textual descriptions, enhances predictive accuracy and interpretability by enabling more robust and reliable predictions of drug toxicity,…

Machine Learning · Computer Science 2025-10-21 Yingxu Wang , Kunyu Zhang , Jiaxin Huang , Nan Yin , Siwei Liu , Eran Segal

Predicting molecular properties (e.g., atomization energy) is an essential issue in quantum chemistry, which could speed up much research progress, such as drug designing and substance discovery. Traditional studies based on density…

Computational Physics · Physics 2019-08-20 Chengqiang Lu , Qi Liu , Chao Wang , Zhenya Huang , Peize Lin , Lixin He

For deep reinforcement learning (RL) from pixels, learning effective state representations is crucial for achieving high performance. However, in practice, limited experience and high-dimensional inputs prevent effective representation…

Machine Learning · Computer Science 2022-10-11 Tao Yu , Zhizheng Zhang , Cuiling Lan , Yan Lu , Zhibo Chen

Understanding molecular structure and related knowledge is crucial for scientific research. Recent studies integrate molecular graphs with their textual descriptions to enhance molecular representation learning. However, they focus on the…

Artificial Intelligence · Computer Science 2025-06-02 Yibo Li , Yuan Fang , Mengmei Zhang , Chuan Shi

Molecular graph representation learning is widely used in chemical and biomedical research. While pre-trained 2D graph encoders have demonstrated strong performance, they overlook the rich molecular domain knowledge associated with…

Machine Learning · Computer Science 2025-10-09 Xingtong Yu , Chang Zhou , Xinming Zhang , Yuan Fang

Recent advancements in computational chemistry have leveraged the power of trans-former-based language models, such as MoLFormer, pre-trained using a vast amount of simplified molecular-input line-entry system (SMILES) sequences, to…

Biomolecules · Quantitative Biology 2024-11-05 Tianhao Peng , Yuchen Li , Xuhong Li , Jiang Bian , Zeke Xie , Ning Sui , Shahid Mumtaz , Yanwu Xu , Linghe Kong , Haoyi Xiong

Molecular shape and geometry dictate key biophysical recognition processes, yet many graph neural networks disregard 3D information for molecular property prediction. Here, we propose a new contrastive-learning procedure for graph neural…

Machine Learning · Computer Science 2022-11-07 Austin Atsango , Nathaniel L. Diamant , Ziqing Lu , Tommaso Biancalani , Gabriele Scalia , Kangway V. Chuang

Accurate prediction of molecular activities is crucial for efficient drug discovery, yet remains challenging due to limited and noisy datasets. We introduce Similarity-Quantized Relative Learning (SQRL), a learning framework that…

Machine Learning · Computer Science 2025-01-17 Karina Zadorozhny , Kangway V. Chuang , Bharath Sathappan , Ewan Wallace , Vishnu Sresht , Colin A. Grambow

Enhancing accurate molecular property prediction relies on effective and proficient representation learning. It is crucial to incorporate diverse molecular relationships characterized by multi-similarity (self-similarity and relative…

Machine Learning · Computer Science 2024-02-05 Hao Xu , Zhengyang Zhou , Pengyu Hong

Automating molecular design using deep reinforcement learning (RL) holds the promise of accelerating the discovery of new chemical compounds. Existing approaches work with molecular graphs and thus ignore the location of atoms in space,…

Machine Learning · Statistics 2021-03-02 Gregor N. C. Simm , Robert Pinsler , José Miguel Hernández-Lobato

In recent years, artificial intelligence has played an important role on accelerating the whole process of drug discovery. Various of molecular representation schemes of different modals (e.g. textual sequence or graph) are developed. By…

Machine Learning · Computer Science 2022-11-28 Tianyu Wu , Yang Tang , Qiyu Sun , Luolin Xiong

Activity cliffs, which refer to pairs of molecules that are structurally similar but show significant differences in their potency, can lead to model representation collapse and make the model challenging to distinguish them. Our research…

Computer Vision and Pattern Recognition · Computer Science 2024-09-20 Zhixiang Cheng , Hongxin Xiang , Pengsen Ma , Li Zeng , Xin Jin , Xixi Yang , Jianxin Lin , Yang Deng , Bosheng Song , Xinxin Feng , Changhui Deng , Xiangxiang Zeng

Coarse-grained (CG) modeling simplifies molecular systems by mapping groups of atoms into representative units. However, traditional CG approaches rely on fixed mapping rules, which limit their ability to handle diverse chemical systems and…

Computational Physics · Physics 2025-09-26 Zhixuan Zhong , Linbo Ma , Jian Jiang

The rapid evolution of artificial intelligence in drug discovery encounters challenges with generalization and extensive training, yet Large Language Models (LLMs) offer promise in reshaping interactions with complex molecular data. Our…

Biomolecules · Quantitative Biology 2024-12-20 He Cao , Zijing Liu , Xingyu Lu , Yuan Yao , Yu Li

Molecular Relational Learning (MRL) is a rapidly growing field that focuses on understanding the interaction dynamics between molecules, which is crucial for applications ranging from catalyst engineering to drug discovery. Despite recent…

Machine Learning · Computer Science 2025-10-02 Namkyeong Lee , Yunhak Oh , Heewoong Noh , Gyoung S. Na , Minkai Xu , Hanchen Wang , Tianfan Fu , Chanyoung Park

Advancements in neural machinery have led to a wide range of algorithmic solutions for molecular property prediction. Two classes of models in particular have yielded promising results: neural networks applied to computed molecular…

Molecular property prediction (MPP) is a fundamental and crucial task in drug discovery. However, prior methods are limited by the requirement for a large number of labeled molecules and their restricted ability to generalize for unseen and…

Quantitative Methods · Quantitative Biology 2024-10-21 Yuyan Liu , Sirui Ding , Sheng Zhou , Wenqi Fan , Qiaoyu Tan