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Related papers: TSSR: Two-Stage Swap-Reward-Driven Reinforcement L…

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Signal Temporal Logic (STL) is a powerful formal language for specifying real-time specifications of Cyber-Physical Systems (CPS). Transforming specifications written in natural language into STL formulas automatically has attracted…

Formal Languages and Automata Theory · Computer Science 2025-11-12 Yue Fang , Jin Zhi , Jie An , Hongshen Chen , Xiaohong Chen , Naijun Zhan

Using generative deep learning models and reinforcement learning together can effectively generate new molecules with desired properties. By employing a multi-objective scoring function, thousands of high-scoring molecules can be generated,…

SMILES-based molecule generation has emerged as a powerful approach in drug discovery. Deep reinforcement learning (RL) using large language model (LLM) has been incorporated into the molecule generation process to achieve high matching…

Machine Learning · Computer Science 2025-05-02 Xinyu Wang , Jinbo Bi , Minghu Song

Advances in large language models (LLMs) are driving a shift toward using reinforcement learning (RL) to train agents from iterative, multi-turn interactions across tasks. However, multi-turn RL remains challenging as rewards are often…

Artificial Intelligence · Computer Science 2026-05-20 Aladin Djuhera , Swanand Ravindra Kadhe , Farhan Ahmed , Syed Zawad , Heiko Ludwig , Holger Boche

Retrosynthesis prediction is fundamental to drug discovery and chemical synthesis, requiring the identification of reactants that can produce a target molecule. Current template-free methods struggle to capture the structural invariance…

Machine Learning · Computer Science 2025-10-21 Jiaxi Zhuang , Yu Zhang , Aimin Zhou , Ying Qian

Reinforcement learning (RL) is a powerful approach to enhance task-oriented dialogue (TOD) systems. However, existing RL methods tend to mainly focus on generation tasks, such as dialogue policy learning (DPL) or response generation (RG),…

Artificial Intelligence · Computer Science 2024-06-21 Huifang Du , Shuqin Li , Minghao Wu , Xuejing Feng , Yuan-Fang Li , Haofen Wang

Effective representation of molecules is a crucial factor affecting the performance of artificial intelligence models. This study introduces a flexible, fragment-based, multiscale molecular representation framework called t-SMILES…

Machine Learning · Computer Science 2024-05-22 Juan-Ni Wu , Tong Wang , Yue Chen , Li-Juan Tang , Hai-Long Wu , Ru-Qin Yu

Reinforcement Learning (RL) has proven highly effective in aligning Large Language Models (LLMs) with human preferences. Typical RL methods optimize under an overall sequence reward, which can lead to a suboptimal learning process. This…

Machine Learning · Computer Science 2025-02-26 Yanshi Li , Shaopan Xiong , Gengru Chen , Xiaoyang Li , Yijia Luo , Xingyuan Bu , Yingshui Tan , Wenbo Su , Bo Zheng

Speaker adaptation, which involves cloning voices from unseen speakers in the Text-to-Speech task, has garnered significant interest due to its numerous applications in multi-media fields. Despite recent advancements, existing methods often…

Audio and Speech Processing · Electrical Eng. & Systems 2024-07-09 Ruibo Fu , Xin Qi , Zhengqi Wen , Jianhua Tao , Tao Wang , Chunyu Qiang , Zhiyong Wang , Yi Lu , Xiaopeng Wang , Shuchen Shi , Yukun Liu , Xuefei Liu , Shuai Zhang

Rubric-based Reinforcement Learning (RL) has emerged as a promising approach for aligning Large Language Models (LLMs) with complex, open-domain instruction following tasks. However, existing methods predominantly rely on response-level…

Large Language Model (LLM) agents can increasingly automate complex reasoning through Test-Time Scaling (TTS), iterative refinement guided by reward signals. However, many real-world tasks involve multi-stage pipeline whose final outcomes…

Machine Learning · Computer Science 2025-12-30 Shuyu Gan , James Mooney , Pan Hao , Renxiang Wang , Mingyi Hong , Qianwen Wang , Dongyeop Kang

Reinforcement Learning (RL) has enabled Large Language Models (LLMs) to achieve remarkable reasoning in domains like mathematics and coding, where verifiable rewards provide clear signals. However, extending this paradigm to financial…

Artificial Intelligence · Computer Science 2026-01-09 Rui Sun , Yifan Sun , Sheng Xu , Li Zhao , Jing Li , Daxin Jiang , Cheng Hua , Zuo Bai

While reinforcement learning (RL) has proven highly effective for general reasoning in vision-language models, its application to tasks requiring deep understanding of information-rich images and structured output generation remains…

Artificial Intelligence · Computer Science 2026-03-17 Lei Chen , Xuanle Zhao , Zhixiong Zeng , Jing Huang , Liming Zheng , Yufeng Zhong , Lin Ma

Applying Reinforcement Learning (RL) to sequence generation models enables the direct optimization of long-term rewards (\textit{e.g.,} BLEU and human feedback), but typically requires large-scale sampling over a space of action sequences.…

Computation and Language · Computer Science 2023-08-07 Chenglong Wang , Hang Zhou , Yimin Hu , Yifu Huo , Bei Li , Tongran Liu , Tong Xiao , Jingbo Zhu

Test-time scaling (TTS) for large language models (LLMs) has thus far fallen into two largely separate paradigms: (1) reinforcement learning (RL) methods that optimize sparse outcome-based rewards, yet suffer from instability and low sample…

Machine Learning · Computer Science 2026-02-10 Can Jin , Yang Zhou , Qixin Zhang , Hongwu Peng , Di Zhang , Zihan Dong , Marco Pavone , Ligong Han , Zhang-Wei Hong , Tong Che , Dimitris N. Metaxas

In this paper, we introduce Topology Sculptor, Shape Refiner (TSSR), a novel method for generating high-quality, artist-style 3D meshes based on Discrete Diffusion Models (DDMs). Our primary motivation for TSSR is to achieve highly accurate…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Kaiyu Song , Hanjiang Lai , Yaqing Zhang , Chuangjian Cai , Yan Pan Kun Yue , Jian Yin

Despite significant advances in Large Reasoning Models (LRMs) driven by reinforcement learning with verifiable rewards (RLVR), this paradigm is fundamentally limited in specialized or novel domains where such supervision is prohibitively…

Machine Learning · Computer Science 2026-04-10 Sikai Bai , Haoxi Li , Jie Zhang , Yongjiang Liu , Song Guo

Controlled text generation tasks such as unsupervised text style transfer have increasingly adopted the use of Reinforcement Learning (RL). A major challenge in applying RL to such tasks is the sparse reward, which is available only after…

Computation and Language · Computer Science 2022-04-19 Bhargav Upadhyay , Akhilesh Sudhakar , Arjun Maheswaran

Recent advances in multimodal reward modeling have been largely driven by a paradigm shift from discriminative to generative approaches. Building on this progress, recent studies have further employed reinforcement learning from verifiable…

Computer Vision and Pattern Recognition · Computer Science 2026-03-27 Chenglong Wang , Yifu Huo , Yang Gan , Qiaozhi He , Qi Meng , Bei Li , Yan Wang , Junfu Liu , Tianhua Zhou , Jingbo Zhu , Tong Xiao

To meet the requirements of real-world applications, it is essential to control generations of large language models (LLMs). Prior research has tried to introduce reinforcement learning (RL) into controllable text generation while most…

Computation and Language · Computer Science 2024-03-19 Wendi Li , Wei Wei , Kaihe Xu , Wenfeng Xie , Dangyang Chen , Yu Cheng
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