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Related papers: When SMILES have Language: Drug Classification usi…

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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

This paper shows how one can directly apply natural language processing (NLP) methods to classification problems in cheminformatics. Connection between these seemingly separate fields is shown by considering standard textual representation…

Computation and Language · Computer Science 2018-03-09 Stanisław Jastrzębski , Damian Leśniak , Wojciech Marian Czarnecki

Machine learning models have found numerous successful applications in computational drug discovery. A large body of these models represents molecules as sequences since molecular sequences are easily available, simple, and informative. The…

SMILES is a linear representation of chemical structures which encodes the connection table, and the stereochemistry of a molecule as a line of text with a grammar structure denoting atoms, bonds, rings and chains, and this information can…

Machine Learning · Computer Science 2018-12-03 Arindam Paul , Dipendra Jha , Reda Al-Bahrani , Wei-keng Liao , Alok Choudhary , Ankit Agrawal

Simplified Molecular Input Line Entry System (SMILES) is a single line text representation of a unique molecule. One molecule can however have multiple SMILES strings, which is a reason that canonical SMILES have been defined, which ensures…

Machine Learning · Computer Science 2017-05-18 Esben Jannik Bjerrum

Molecular property prediction has gained significant attention due to its transformative potential in multiple scientific disciplines. Conventionally, a molecule graph can be represented either as a graph-structured data or a SMILES text.…

Machine Learning · Computer Science 2023-07-17 Chen Qian , Huayi Tang , Zhirui Yang , Hong Liang , Yong Liu

Chemical databases store information in text representations, and the SMILES format is a universal standard used in many cheminformatics software. Encoded in each SMILES string is structural information that can be used to predict complex…

Machine Learning · Statistics 2018-08-16 Garrett B. Goh , Nathan O. Hodas , Charles Siegel , Abhinav Vishnu

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

Identification of high affinity drug-target interactions is a major research question in drug discovery. Proteins are generally represented by their structures or sequences. However, structures are available only for a small subset of…

Machine Learning · Computer Science 2020-12-22 Rıza Özçelik , Hakime Öztürk , Arzucan Özgür , Elif Ozkirimli

The need for analysis of toxicity in new drug candidates and the requirement of doing it fast have asked the consideration of scientists towards the use of artificial intelligence tools to examine toxicity levels and to develop models to a…

Quantitative Methods · Quantitative Biology 2021-01-27 Mriganka Nath , Subhasish Goswami

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

Automated computational analysis of the vast chemical space is critical for numerous fields of research such as drug discovery and material science. Representation learning techniques have recently been employed with the primary objective…

Quantitative Methods · Quantitative Biology 2023-05-26 Atakan Yüksel , Erva Ulusoy , Atabey Ünlü , Tunca Doğan

The simplified molecular-input line-entry system (SMILES) is the most popular representation of chemical compounds. Therefore, many SMILES-based molecular property prediction models have been developed. In particular, transformer-based…

Quantitative Methods · Quantitative Biology 2022-05-03 Ingoo Lee , Hojung Nam

Large Language Models (LLMs) with their strong task-handling capabilities have shown remarkable advancements across a spectrum of fields, moving beyond natural language understanding. However, their proficiency within the chemistry domain…

Computer Vision and Pattern Recognition · Computer Science 2026-02-02 Khiem Le , Zhichun Guo , Kaiwen Dong , Xiaobao Huang , Bozhao Nan , Roshni Iyer , Xiangliang Zhang , Olaf Wiest , Wei Wang , Ting Hua , Nitesh V. Chawla

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,…

Machine Learning · Computer Science 2025-05-23 Yunhui Jang , Jaehyung Kim , Sungsoo Ahn

Chemical language models (CLMs) are increasingly used for molecular design and property prediction. Because these models learn from textual encodings of molecules, differences in how such encodings are generated may affect their behavior.…

Quantitative Methods · Quantitative Biology 2026-02-13 Yosuke Kikuchi , Yasuhiro Yoshikai , Shumpei Nemoto , Ayako Furuhama , Takashi Yamada , Hiroyuki Kusuhara , Tadahaya Mizuno

Traditional molecular string representations, such as SMILES, often pose challenges for AI-driven molecular design due to their non-sequential depiction of molecular substructures. To address this issue, we introduce Sequential…

Machine Learning · Computer Science 2023-12-13 Emmanuel Noutahi , Cristian Gabellini , Michael Craig , Jonathan S. C Lim , Prudencio Tossou

Molecular property prediction has attracted substantial attention recently. Accurate prediction of drug properties relies heavily on effective molecular representations. The structures of chemical compounds are commonly represented as…

Machine Learning · Computer Science 2025-08-05 Anyin Zhao , Zuquan Chen , Zhengyu Fang , Xiaoge Zhang , Jing Li

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

Converting peptide sequences into useful representations for downstream analysis is a common step in computational modeling and cheminformatics. Furthermore, peptide drugs (e.g., Semaglutide, Degarelix) often take advantage of the diverse…

Biomolecules · Quantitative Biology 2025-05-05 Aaron L. Feller , Claus O. Wilke
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