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Designing a neural network architecture for molecular representation is crucial for AI-driven drug discovery and molecule design. In this work, we propose a new framework for molecular representation learning. Our contribution is threefold:…

Machine Learning · Computer Science 2022-10-18 Jiye Kim , Seungbeom Lee , Dongwoo Kim , Sungsoo Ahn , Jaesik Park

A persistent challenge in AI is the effective integration of material and formal inference - the former concerning the plausibility and contextual relevance of arguments, while the latter focusing on their logical and structural validity.…

Artificial Intelligence · Computer Science 2025-04-08 Xin Quan , Marco Valentino , Danilo S. Carvalho , Dhairya Dalal , André Freitas

Artificial Intelligence (AI) has been advancing rapidly and with the advent of large language models (LLMs) in late 2022, numerous opportunities have emerged for adopting this technology across various domains, including medicine. These…

Computers and Society · Computer Science 2026-03-10 Amr Alshatnawi , Remi Sampaleanu , David Liebovitz

For several decades, chemical knowledge has been published in written text, and there have been many attempts to make it accessible, for example, by transforming such natural language text to a structured format. Although the discovered…

Computer Vision and Pattern Recognition · Computer Science 2022-02-22 Sanghyun Yoo , Ohyun Kwon , Hoshik Lee

High-throughput technologies such as next generation sequencing allow biologists to observe cell function with unprecedented resolution, but the resulting datasets are too large and complicated for humans to understand without the aid of…

Applications · Statistics 2021-10-08 David S. Watson

Understanding how chemical language models (CLMs) learn chemical meaning from molecular string representations, rather than only surface-level string patterns, is an important question in chemical representation learning and machine…

Machine Learning · Computer Science 2026-05-12 Zehao Li , Yasuhiro Yoshikai , Shumpei Nemoto , Hiroyuki Kusuhara , Tadahaya Mizuno

Single-molecule force spectroscopy (smFS) is a powerful approach to studying molecular self-organization. However, the coupling of the molecule with the ever-present experimental device introduces artifacts, that complicates the…

Chemical Physics · Physics 2023-04-25 Lars Dingeldein , Pilar Cossio , Roberto Covino

Applications of machine learning in chemistry are often limited by the scarcity and expense of labeled data, restricting traditional supervised methods. In this work, we introduce a framework for molecular reasoning using general-purpose…

In drug discovery, predicting the absorption, distribution, metabolism, excretion, and toxicity (ADMET) properties of small-molecule drugs is critical for ensuring safety and efficacy. However, the process of accurately predicting these…

Machine Learning · Computer Science 2026-03-27 Bohao Xu , Yingzhou Lu , Chenhao Li , Ling Yue , Xiao Wang , Tianfan Fu , Minjie Shen , Lulu Chen

Nuclear magnetic resonance (NMR) spectroscopy provides an experimental readout of local chemical environments, but its use in molecular representation learning has been constrained by heterogeneous data and incomplete atom-level…

Chemical Physics · Physics 2026-05-12 Jiebin Fang , Zidi Yan , Churu Mao , Yongjun Jiang , Xinyi Tang , Lei Miao , Dan Lu , Yun Huang , Wanjing Ding , Zhongjun Ma

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…

Machine Learning · Computer Science 2025-03-21 Jonathan Pirnay , Jan G. Rittig , Alexander B. Wolf , Martin Grohe , Jakob Burger , Alexander Mitsos , Dominik G. Grimm

In molecular structure data, SMILES (Simplified Molecular Input Line Entry System) strings are used to analyze molecular structure design. Numerical feature representation of SMILES strings is a challenging task. This work proposes a…

Machine Learning · Computer Science 2024-12-20 Sarwan Ali , Haris Mansoor , Prakash Chourasia , Imdad Ullah Khan , Murray Patterson

The effective representation of proteins is a crucial task that directly affects the performance of many bioinformatics problems. Related proteins usually bind to similar ligands. Chemical characteristics of ligands are known to capture the…

Machine Learning · Statistics 2018-07-02 Hakime Öztürk , Elif Ozkirimli , Arzucan Özgür

Molecular machine learning has been maturing rapidly over the last few years. Improved methods and the presence of larger datasets have enabled machine learning algorithms to make increasingly accurate predictions about molecular…

Linearized string representations serve as the foundation of scalable autoregressive molecular generation; however, they introduce a fundamental modality mismatch where a single molecular graph maps to multiple distinct sequences. This…

Machine Learning · Computer Science 2026-03-27 Xinyu Wang , Fei Dou , Jinbo Bi , Minghu Song

Machine learning techniques have recently been adopted in various applications in medicine, biology, chemistry, and material engineering. An important task is to predict the properties of molecules, which serves as the main subroutine in…

Machine Learning · Computer Science 2019-11-12 Shengchao Liu , Mehmet Furkan Demirel , Yingyu Liang

Molecular optimization is a central task in drug discovery that requires precise structural reasoning and domain knowledge. While large language models (LLMs) have shown promise in generating high-level editing intentions in natural…

Machine Learning · Computer Science 2025-10-17 Wenyu Zhu , Chengzhu Li , Xiaohe Tian , Yifan Wang , Yinjun Jia , Jianhui Wang , Bowen Gao , Ya-Qin Zhang , Wei-Ying Ma , Yanyan Lan

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

Machine learning (ML) of quantum mechanical properties shows promise for accelerating chemical discovery. For transition metal chemistry where accurate calculations are computationally costly and available training data sets are small, the…

Materials Science · Physics 2017-11-07 Jon Paul Janet , Heather J. Kulik

Molecule and text representation learning has gained increasing interest due to its potential for enhancing the understanding of chemical information. However, existing models often struggle to capture subtle differences between molecules…

Machine Learning · Computer Science 2025-10-31 Hyuntae Park , Yeachan Kim , SangKeun Lee