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Molecular optimization is a crucial yet complex and time-intensive process that often acts as a bottleneck for drug development. Traditional methods rely heavily on trial and error, making multi-objective optimization both time-consuming…

Biomolecules · Quantitative Biology 2025-03-06 Jiajun Yu , Yizhen Zheng , Huan Yee Koh , Shirui Pan , Tianyue Wang , Haishuai Wang

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

Large language models (LLMs) hold considerable potential for advancing scientific discovery, yet systematic assessment of their dynamic reasoning in real-world research remains limited. Current scientific evaluation benchmarks predominantly…

Computation and Language · Computer Science 2026-03-27 Taolin Han , Shuang Wu , Jinghang Wang , Yuhao Zhou , Renquan Lv , Bing Zhao , Wei Hu

The emergence of large language model (LLM)-based agents has significantly advanced the development of autonomous machine learning (ML) engineering. However, the dominant prompt-based paradigm exhibits limitations: smaller models lack the…

Computation and Language · Computer Science 2026-05-04 Zexi Liu , Jingyi Chai , Xinyu Zhu , Shuo Tang , Rui Ye , Bo Zhang , Lei Bai , Siheng Chen

Answering complex natural language questions often necessitates multi-step reasoning and integrating external information. Several systems have combined knowledge retrieval with a large language model (LLM) to answer such questions. These…

Generating molecules that satisfy precise numeric constraints over multiple physicochemical properties is critical and challenging. Although large language models (LLMs) are expressive, they struggle with precise multi-objective control and…

Artificial Intelligence · Computer Science 2026-01-19 Yizhan Li , Florence Cloutier , Sifan Wu , Ali Parviz , Boris Knyazev , Yan Zhang , Glen Berseth , Bang Liu

Large Reasoning Models (LRMs) like o3 and DeepSeek-R1 have achieved remarkable progress in reasoning tasks with long cot. However, they remain computationally inefficient and struggle with accuracy when solving problems requiring complex…

Artificial Intelligence · Computer Science 2026-03-03 Haipeng Luo , Huawen Feng , Qingfeng Sun , Can Xu , Kai Zheng , Yufei Wang , Tao Yang , Han Hu , Yansong Tang

In this paper we consider infinite horizon discounted dynamic programming problems with finite state and control spaces, partial state observations, and a multiagent structure. We discuss and compare algorithms that simultaneously or…

Robotics · Computer Science 2020-11-10 Sushmita Bhattacharya , Siva Kailas , Sahil Badyal , Stephanie Gil , Dimitri Bertsekas

Molecular representation learning is crucial for the problem of molecular property prediction, where graph neural networks (GNNs) serve as an effective solution due to their structure modeling capabilities. Since labeled data is often…

Machine Learning · Computer Science 2023-09-26 Cameron Diao , Kaixiong Zhou , Zirui Liu , Xiao Huang , Xia Hu

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

With the rapid advancement of commercial multi-modal models, image editing has garnered significant attention due to its widespread applicability in daily life. Despite impressive progress, existing image editing systems, particularly…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Yiran Zhao , Yaoqi Ye , Xiang Liu , Michael Qizhe Shieh , Trung Bui

Machine learning has the potential to automate molecular design and drastically accelerate the discovery of new functional compounds. Towards this goal, generative models and reinforcement learning (RL) using string and graph…

Machine Learning · Computer Science 2022-02-02 Daniel Flam-Shepherd , Alexander Zhigalin , Alán Aspuru-Guzik

Chemical reasoning usually involves complex, multi-step processes that demand precise calculations, where even minor errors can lead to cascading failures. Furthermore, large language models (LLMs) encounter difficulties handling…

Computation and Language · Computer Science 2025-01-14 Xiangru Tang , Tianyu Hu , Muyang Ye , Yanjun Shao , Xunjian Yin , Siru Ouyang , Wangchunshu Zhou , Pan Lu , Zhuosheng Zhang , Yilun Zhao , Arman Cohan , Mark Gerstein

We present a modular framework powered by large language models (LLMs) that automates and streamlines key tasks across the early-stage computational drug discovery pipeline. By combining LLM reasoning with domain-specific tools, the…

While Large Language Models (LLMs) excel at algorithmic code generation, they struggle with front-end development, where correctness is judged on rendered pixels and interaction. We present ReLook, an agentic, vision-grounded reinforcement…

Machine Learning · Computer Science 2025-10-14 Yuhang Li , Chenchen Zhang , Ruilin Lv , Ao Liu , Ken Deng , Yuanxing Zhang , Jiaheng Liu , Wiggin Zhou , Bo Zhou

Molecular optimization in drug discovery aims to discover molecules with improved target properties, but practical lead optimization often requires more than high predicted scores. A useful candidate should also be actionable: it should be…

Machine Learning · Computer Science 2026-05-12 Yang Qiao , Bo Pan , Hao-Wei Pang , Peter Zhiping Zhang , Liying Zhang , Liang Zhao

Developing machine learning interatomic potentials (MLIPs) for complex materials systems remains challenging because it requires expertise in atomistic simulations, machine learning, and workflow design, as well as iterative active learning…

Machine Learning · Computer Science 2026-05-15 Wenwen Li , Yuki Orimo , Nontawat Charoenphakdee

Large Language Models (LLMs) have shown impressive performance across various domains, but their ability to perform molecular reasoning remains underexplored. Existing methods mostly rely on general-purpose prompting, which lacks…

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

The ReAct (Reasoning + Action) capability in large language models (LLMs) has become the foundation of modern agentic systems. Recent LLMs, such as DeepSeek-R1 and OpenAI o1/o3, exemplify this by emphasizing reasoning through the generation…

Artificial Intelligence · Computer Science 2025-05-20 Mrinal Rawat , Ambuje Gupta , Rushil Goomer , Alessandro Di Bari , Neha Gupta , Roberto Pieraccini