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Machine learning methods have been used to accelerate the molecule optimization process. However, efficient search for optimized molecules satisfying several properties with scarce labeled data remains a challenge for machine learning…

Biomolecules · Quantitative Biology 2022-12-20 Xin Xia , Yansen Su , Chunhou Zheng , Xiangxiang Zeng

Recent advances in persona-centric memory have revealed the powerful capability of multi-agent systems in managing persona memory, especially in conversational scenarios. However, these complex frameworks often suffer from information loss…

Computation and Language · Computer Science 2026-04-03 Qi Zhang , Shen Huang , Chu Liu , Shouqing Yang , Junbo Zhao , Haobo Wang , Pengjun Xie

Recently, the impressive performance of large language models (LLMs) on a wide range of tasks has attracted an increasing number of attempts to apply LLMs in drug discovery. However, molecule optimization, a critical task in the drug…

Quantitative Methods · Quantitative Biology 2024-01-22 Geyan Ye , Xibao Cai , Houtim Lai , Xing Wang , Junhong Huang , Longyue Wang , Wei Liu , Xiangxiang Zeng

Many advances that have improved the robustness and efficiency of deep reinforcement learning (RL) algorithms can, in one way or another, be understood as introducing additional objectives or constraints in the policy optimization step.…

Molecular design involves an enormous and irregular search space, where traditional optimizers such as Bayesian optimization, genetic algorithms, and generative models struggle to leverage expert knowledge or handle complex feedback.…

Machine Learning · Computer Science 2025-12-09 Nian Ran , Yue Wang , Xiaoyuan Zhang , Zhongzheng Li , Qingsong Ran , Wenhao Li , Richard Allmendinger

The rapid evolution of Large Language Model (LLM) agents has necessitated robust memory systems to support cohesive long-term interaction and complex reasoning. Benefiting from the strong capabilities of LLMs, recent research focus has…

Artificial Intelligence · Computer Science 2026-04-16 Weiquan Huang , Zixuan Wang , Hehai Lin , Sudong Wang , Bo Xu , Qian Li , Beier Zhu , Linyi Yang , Chengwei Qin

Linear sequence modeling methods, such as linear attention, state space modeling, and linear RNNs, offer significant efficiency improvements by reducing the complexity of training and inference. However, these methods typically compress the…

Computation and Language · Computer Science 2025-11-19 Jusen Du , Weigao Sun , Disen Lan , Jiaxi Hu , Yu Cheng

Large language model (LLM) agents face fundamental limitations in long-horizon reasoning due to finite context windows, making effective memory management critical. Existing methods typically handle long-term memory (LTM) and short-term…

Computation and Language · Computer Science 2026-05-01 Yi Yu , Liuyi Yao , Yuexiang Xie , Qingquan Tan , Jiaqi Feng , Yaliang Li , Libing Wu

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

The ability to design molecules while preserving similarity to a target molecule and/or property is crucial for various applications in drug discovery, chemical design, and biology. We introduce in this paper an efficient training-free…

Machine Learning · Computer Science 2025-11-18 Jiri Navratil , Jarret Ross , Payel Das , Youssef Mroueh , Samuel C Hoffman , Vijil Chenthamarakshan , Brian Belgodere

Large language models (LLMs) excel at many NLP tasks but struggle to sustain long-term interactions due to limited attention over extended dialogue histories. Retrieval-augmented generation (RAG) mitigates this issue but lacks reliable…

Computation and Language · Computer Science 2026-01-23 Chunliang Chen , Ming Guan , Xiao Lin , Jiaxu Li , Luxi Lin , Qiyi Wang , Xiangyu Chen , Jixiang Luo , Changzhi Sun , Dell Zhang , Xuelong Li

Prompt optimization is essential for enhancing the performance of Large Language Models (LLMs) in a range of Natural Language Processing (NLP) tasks, particularly in scenarios of few-shot learning where training examples are incorporated…

Computation and Language · Computer Science 2024-08-15 Dai Do , Quan Tran , Svetha Venkatesh , Hung Le

Self-evolving memory serves as the trainable parameters for Large Language Models (LLMs)-based agents, where extraction (distilling insights from experience) and management (updating the memory bank) must be tightly coordinated. Existing…

Computation and Language · Computer Science 2026-02-12 Yongshi Ye , Hui Jiang , Feihu Jiang , Tian Lan , Yichao Du , Biao Fu , Xiaodong Shi , Qianghuai Jia , Longyue Wang , Weihua Luo

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

In recent years, model-agnostic meta-learning (MAML) has become a popular research area. However, the stochastic optimization of MAML is still underdeveloped. Existing MAML algorithms rely on the ``episode'' idea by sampling a few tasks and…

Machine Learning · Computer Science 2023-04-26 Bokun Wang , Zhuoning Yuan , Yiming Ying , Tianbao Yang

Drug discovery is a multi-stage process that comprises two costly major steps: pre-clinical research and clinical trials. Among its stages, lead optimization easily consumes more than half of the pre-clinical budget. We propose a combined…

Machine Learning · Computer Science 2020-11-30 Leili Zhang , Giacomo Domeniconi , Chih-Chieh Yang , Seung-gu Kang , Ruhong Zhou , Guojing Cong

Large Language Models (LLMs) based agents excel at diverse tasks, yet they suffer from brittle procedural memory that is manually engineered or entangled in static parameters. In this work, we investigate strategies to endow agents with a…

Computation and Language · Computer Science 2026-04-16 Runnan Fang , Yuan Liang , Xiaobin Wang , Jialong Wu , Shuofei Qiao , Pengjun Xie , Fei Huang , Huajun Chen , Ningyu Zhang

Drug discovery is a lengthy and resource-intensive process composed of multiple stages. Among these stages, lead optimization plays a critical role in transforming early hit compounds into viable drug candidates. This stage requires…

Machine Learning · Computer Science 2026-05-29 Lingxiao Li , Haobo Zhang , Ruohao Fan , Bin Chen , Jiayu Zhou

Large Language Model (LLM) agents are increasingly deployed to automate complex workflows in mobile and desktop environments. However, current model-centric agent architectures struggle to self-evolve post-deployment: improving…

Artificial Intelligence · Computer Science 2025-12-19 Zibin Liu , Cheng Zhang , Xi Zhao , Yunfei Feng , Bingyu Bai , Dahu Feng , Erhu Feng , Yubin Xia , Haibo Chen

Poor sample efficiency continues to be the primary challenge for deployment of deep Reinforcement Learning (RL) algorithms for real-world applications, and in particular for visuo-motor control. Model-based RL has the potential to be highly…

Machine Learning · Computer Science 2022-12-13 Nicklas Hansen , Yixin Lin , Hao Su , Xiaolong Wang , Vikash Kumar , Aravind Rajeswaran