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Large Language Model (LLM)-based agentic systems rely on in-context policy documents encoding diverse business rules. As requirements grow, these documents expand rapidly, causing high computational overhead. This motivates developing…

Artificial Intelligence · Computer Science 2025-10-14 Jiateng Liu , Zhenhailong Wang , Xiaojiang Huang , Yingjie Li , Xing Fan , Xiang Li , Chenlei Guo , Ruhi Sarikaya , Heng Ji

Conditional flow matching (CFM) stands out as an efficient, simulation-free approach for training flow-based generative models, achieving remarkable performance for data generation. However, CFM is insufficient to ensure accuracy in…

Machine Learning · Computer Science 2026-02-03 Yuhao Huang , Taos Transue , Shih-Hsin Wang , William Feldman , Hong Zhang , Bao Wang

Designing adaptive mechanisms to align individual and collective interests remains a central challenge in artificial social intelligence. Existing methods often struggle with modeling heterogeneous agents possessing persistent latent traits…

Computers and Society · Computer Science 2025-10-23 Xiaoyuan Zhang , Yizhe Huang , Chengdong Ma , Zhixun Chen , Long Ma , Yali Du , Song-Chun Zhu , Yaodong Yang , Xue Feng

World Action Models (WAMs) enable decision-making through imagined rollouts by predicting future observations and actions. However, the reliability of these imagined futures remains under-examined: is a generated future merely visually…

Robotics · Computer Science 2026-05-11 Bo-Kai Ruan , Teng-Fang Hsiao , Ling Lo , Hong-Han Shuai

Counterfactual reasoning from logged data has become increasingly important for many applications such as web advertising or healthcare. In this paper, we address the problem of learning stochastic policies with continuous actions from the…

Machine Learning · Statistics 2025-02-24 Houssam Zenati , Alberto Bietti , Matthieu Martin , Eustache Diemert , Pierre Gaillard , Julien Mairal

While class activation map (CAM) generated by image classification network has been widely used for weakly supervised object localization (WSOL) and semantic segmentation (WSSS), such classifiers usually focus on discriminative object…

Computer Vision and Pattern Recognition · Computer Science 2022-12-23 Jinheng Xie , Jianfeng Xiang , Junliang Chen , Xianxu Hou , Xiaodong Zhao , Linlin Shen

Can large language models (LLMs) directly serve as powerful world models for model-based agents? While the gaps between the prior knowledge of LLMs and the specified environment's dynamics do exist, our study reveals that the gaps can be…

Artificial Intelligence · Computer Science 2024-10-15 Siyu Zhou , Tianyi Zhou , Yijun Yang , Guodong Long , Deheng Ye , Jing Jiang , Chengqi Zhang

Contrastive Learning has recently achieved state-of-the-art performance in a wide range of tasks. Many contrastive learning approaches use mined hard negatives to make batches more informative during training but these approaches are…

Machine Learning · Computer Science 2023-06-08 Vin Sachidananda , Ziyi Yang , Chenguang Zhu

Replicating human-level intelligence in the execution of embodied tasks remains challenging due to the unconstrained nature of real-world environments. Novel use of large language models (LLMs) for task planning seeks to address the…

With the widespread application of Large Language Models (LLMs), it has become a significant concern to ensure their safety and prevent harmful responses. While current safe-alignment methods based on instruction fine-tuning and…

Computation and Language · Computer Science 2025-12-16 Xiaoyun Zhang , Zhengyue Zhao , Wenxuan Shi , Kaidi Xu , Di Huang , Xing Hu

Agents that understand objects and their interactions can learn policies that are more robust and transferable. However, most object-centric RL methods factor state by individual objects while leaving interactions implicit. We introduce the…

Machine Learning · Computer Science 2025-11-05 Fan Feng , Phillip Lippe , Sara Magliacane

Using responses generated by high-performing large language models (LLMs) for instruction tuning has become a widely adopted approach. However, the existing literature overlooks a property of LLM-generated responses: they conflate world…

Computation and Language · Computer Science 2026-04-16 Tatsuya Ichinose , Youmi Ma , Masanari Oi , Ryuto Koike , Naoaki Okazaki

Foundation models for vision have transformed visual recognition with powerful pretrained representations and strong zero-shot capabilities, yet their potential for data-efficient learning remains largely untapped. Active Learning (AL) aims…

Computer Vision and Pattern Recognition · Computer Science 2026-03-27 Huy Hoang Nguyen , Cédric Jung , Shirin Salehi , Tobias Glück , Anke Schmeink , Andreas Kugi

The rapid advancement of Large Language Models (LLMs) presents new opportunities for automated software vulnerability detection, a crucial task in securing modern codebases. This paper presents a comparative study on the effectiveness of…

Software Engineering · Computer Science 2026-01-05 Md Hasan Saju , Maher Muhtadi , Akramul Azim

Learning predictive models from high-dimensional sensory observations is fundamental for cyber-physical systems, yet the latent representations learned by standard world models lack physical interpretability. This limits their reliability,…

Machine Learning · Computer Science 2026-04-07 Zhenjiang Mao , Mrinall Eashaan Umasudhan , Ivan Ruchkin

In recent years, self-supervised representation learning for skeleton-based action recognition has been developed with the advance of contrastive learning methods. The existing contrastive learning methods use normal augmentations to…

Computer Vision and Pattern Recognition · Computer Science 2021-12-08 Tianyu Guo , Hong Liu , Zhan Chen , Mengyuan Liu , Tao Wang , Runwei Ding

Word sense plausibility rating requires predicting the human-perceived plausibility of a given word sense on a 1-5 scale in the context of short narrative stories containing ambiguous homonyms. This paper systematically compares three…

Computation and Language · Computer Science 2026-05-11 Tong Wu , Thanet Markchom , Huizhi Liang

Large language models have shown remarkable ability in serial code generation, but they still struggle with parallel code for which training data is comparatively scarce. A common remedy is to use coding agents that interact with external…

Software Engineering · Computer Science 2026-04-28 Gautam Singh , Arjun Guha , Bhavya Kailkhura , Harshitha Menon

Large Language Models (LLMs) are increasingly used for decision making in embodied agents, yet existing safety evaluations often rely on coarse success rates and domain-specific setups, making it difficult to diagnose why and where these…

Artificial Intelligence · Computer Science 2025-05-27 Yejin Son , Minseo Kim , Sungwoong Kim , Seungju Han , Jian Kim , Dongju Jang , Youngjae Yu , Chanyoung Park

Large Language Models (LLMs) frequently hallucinate, impeding their reliability in mission-critical situations. One approach to address this issue is to provide citations to relevant sources alongside generated content, enhancing the…

Computation and Language · Computer Science 2024-07-16 Rami Aly , Zhiqiang Tang , Samson Tan , George Karypis