20 results for “LLM-based generative agents, urban simulators, mobility realism, evaluation framework”
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The paper introduces a validation framework to evaluate the realism of LLM-based generative agents in urban simulators against real-world mobility data.
Junlin He, Yihong Tang, Tong Nie, Ao Qu +5 more
MobEvolve introduces an agentic self-evolving heuristic system that significantly improves human mobility generation by iteratively refining its internal logic using an LLM agent, outperforming deep g…
Shibo Zhu, Xiaodan Shi, Dayin Chen, Yuntian Chen +3 more
The paper introduces CityTrajBench, a unified benchmark framework that standardizes the evaluation of city-scale vehicle trajectory generation, demonstrating that no single generation model dominates…
The paper introduces a higher-order network framework to compare observed and simulated human mobility data, demonstrating that while synthetic data is promising, current simulation models have specif…
Aditya Kumar, Zhihan Lei, Jerry Yan, Joshua W. Momo +5 more
The paper proposes a modular agent framework and novel learning methods to design and optimize practical, cost-effective, and controllable LLM-based agentic systems.
Silin Zhou, Chenhao Wang, Yuntao Wen, Shuo Shang +2 more
The paper proposes HTP, a novel framework that leverages Large Language Models (LLMs) to first generate abstract travel patterns and then synthesize realistic GPS points, significantly improving traje…
The paper introduces CRAB-Bench and RUSE, a rigorous evaluation framework that tests LLM agents on complex, interdependent tasks with realistic human user interactions, revealing significant performan…
Weiyi Chen, Shuaixiong Wang, Ziyun Gao, Kaichun Hu +4 more
The paper introduces TravelEval, a comprehensive, six-dimensional benchmarking framework that evaluates LLM-powered travel plans using realistic spatio-temporal simulation, revealing that current LLMs…
This book provides a compact, derivation-oriented mathematical primer that connects major families of generative AI models, showing their underlying structural relationships.
Xuancheng Zhu, Yang Yue, Shuaibing Wan, Zihan Dou +3 more
The paper introduces TaskWeave, a hierarchical agentic framework that successfully simulates long-horizon organizational dynamics by treating coordination as a memory-centered problem, demonstrating t…
Jiazhen Lei, Tianze Cao, Yuxin Sha, Sihan Wang +4 more
The paper introduces RadioMaster, a novel multi-agent system that successfully translates high-level user intents into physically viable, real-world radio signals, significantly outperforming existing…
Yi Wang, Haojie Lu, Zhaofan Zhang, Li Chen +1 more
This paper introduces MCTS-Guided Group Relative Policy Optimization (M-GRPO) to enhance LLM spatial reasoning by improving the decomposition of complex tasks into optimal sub-tasks.
Jizhan Fang, Buqiang Xu, Zhixian Wang, Haoliang Cao +11 more
The paper proposes FluxMem, a novel connectivity-evolving memory framework that models memory as a dynamic graph to improve LLM agent performance in complex, changing environments.
The paper introduces a genetic algorithm framework to calibrate complex urban traffic simulations using only sparse real-world traffic observations, eliminating the need for detailed employment data.
Yulei Ye, Wenhao Li, Zhong Wen, Yunshu Huang +22 more
The paper introduces AgentSchool, an advanced LLM-powered multi-agent simulator that models learning as state transitions to provide a robust, ethically viable testbed for educational research and ped…
Pengyu Zhu, Lijun Li, Yaxing Lyu, Qianxin Luo +7 more
The paper introduces a unified framework to fairly evaluate LLM agentic capabilities by standardizing diverse benchmarks and separating the effects of the LLM model from the surrounding framework and…
Tong Liu, Cheng Qian, Matej Cief, Yuan He +3 more
This paper analyzes tool-calling in LLM agents, demonstrating that evaluation results are highly sensitive to implementation details and proposing new techniques to significantly improve the efficienc…
Yifan Liu, Yanling Sang, Xishun Liao, Morgan Sun +5 more
The paper proposes a novel four-stage simulation framework that uses GPS-derived seasonal spatial priors and LLMs to generate demographically accurate, synthetic tourist mobility schedules for urban p…
Zezhong Qian, Zhao Yang, Lu Tan, Zhihao Yan +3 more
The paper introduces CityGen, a diffusion-based framework that enables zero-label city adaptation for autonomous driving by synthesizing city-style data conditioned on HD maps and visual prompts, sign…