AI agents

Tool use, function calling, orchestration and the protocols that let models act rather than only answer.

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arXiv Computation and Language
1d ago

EvoGuard: Mitigating Degradation in Online Skill Evolution

arXiv:2611.06444v1 Announce Type: new Abstract: Skills let language agents reuse experience across tasks as natural-language documents. Recent work evolves skills from interaction, but existing metho...

By Yanli Wang, Zichen Bai, Tianyue Jiang, Kunming Shao, Junhao Shi, Xueqin Liu, Jinguo Sun, Muye Li, Tingting Bi, Yanlin Wang, Shaoqiang Zheng, Xuefei Diao, Zhuwei Zeng, Nan Duan, Peng Cao
arXiv Computation and Language
1d ago

Multi-User Large Language Model Agents

arXiv:2604.08567v3 Announce Type: replace Abstract: Large language models (LLMs) and LLM-based agents are increasingly deployed as assistants in planning and decision making, yet most existing system...

By Shu Yang, Shenzhe Zhu, Hao Zhu, Jos\'e Ram\'on Enr\'iquez, Di Wang, Alex Pentland, Michiel A. Bakker, Jiaxin Pei
arXiv AI
1d ago

Agents, Think Only When it Helps

The paper investigates the role of thought supervision in distilling large language model agents. By independently perturbing teacher thoughts and actions during distillation, the authors find that removing or altering thoughts has little impact on student performance across various benchmarks and model scales. However, thought supervision becomes important when the action does not reveal the information contained in the thought, suggesting that including thoughts in the training data may be unnecessary for many cases.

By Min-Seon Kim, Seungdong Yoa, Sanghyu Yoon, Ye Seul Sim, Suhee Yoon, Dongmin Kim, Jung-Eun Kim
arXiv AI
1d ago

Where Search Agents Go Off the Rails: Graph-Grounded Step-Level Verification

The paper introduces GraphRail, a verification framework for search-augmented reasoning systems that checks whether evidence covers the question, reasoning addresses the question, and reasoning is grounded in the evidence. GraphRail represents these components as structured claims and compares them without relying on a generative judge or gold answer. Experiments on three multi‑hop QA benchmarks and three reasoning frameworks show that GraphRail improves error recall over generative verifiers and remains stable under stochastic extraction, while also providing diagnoses that can guide online reasoning to detect and correct intermediate errors.

By Hyeseo Jeon, Seonho Yoo, Jay-Yoon Lee
arXiv AI
1d ago

EmoReward: Self-Evolving Reward Calibration for Emotional Video Generation RL

EmoReward is a self‑evolving reward calibration framework for emotional video generation using reinforcement learning. It distills reliability from reward traces during training to adaptively weight multiple reward primitives—such as visual quality, motion, and text alignment—based on emotional evidence. The method employs grounding cues, heterogeneous signal primitives, reflective reward gating, and a RewardMemory module to calibrate fusion weights across training runs, demonstrating improvements on HunyuanVideo 1.5 and transferability to SD 3.5 and FLUX.

By Mingzhe Zheng, Yue Wu, Jing Tan, Chang Zou, Dengyang Jiang, Zeyue Tian, Xuanhua He, Ryan Xu, Yunyang Ge, Sihui Ji, Yunlong Lin, Kaihang Pan, Hongru Yan, Sixiang Chen, Dianyi Wang, Julian Zhang, Weijie Kong, Changlin Li, Lanqing Guo, Zhao Zhong, Qifeng Chen, Harry Yang
arXiv AI
1d ago

Smartphone-Aided VR Exergames for HIIT: Gamifying Fitness with Real-Time Pose Estimation

The paper presents a VR exergame that gamifies High‑Intensity Interval Training (HIIT) using 11 predefined combo moves and a standard smartphone camera on a tripod for full‑body pose estimation. Real‑time biomechanical data are processed by a backend built on the Model Context Protocol and GPT‑4o to provide personalized feedback on form, efficiency, intensity, and injury risk. A within‑subject study with 20 participants showed higher enjoyment, immersion, and recommendation likelihood in VR sessions compared to non‑VR, while the MCP system’s feedback agreed strongly with expert evaluation.

By Abhiram Kothagundu, Pheelip Pritipal Raipure, Abhijit Chandrakant Patil, Himangshu Sarma, Christian Eichhorn, David A. Plecher, Johanna Pirker