用智能代理自我进化生成可解释的人类移动轨迹
MobEvolve: An Agentic Self-Evolving Heuristic System for Interpretable Human Mobility Generation

- 设计可自演化的行为启发式系统,通过大模型诊断问题并优化逻辑
- 在新加坡和蒙特利尔数据集上优于顶尖生成模型,保持高效率与可解释性
- 适合需要透明行为模拟的交通规划、城市设计等场景
人类移动轨迹生成旨在基于个体特征合成目标人群的真实出行链。现有方法包括深度生成模型、基于大语言模型的方法及传统启发式,难以同时满足任务复杂性要求,且在可解释性、行为合理性、群体分布一致性与推理效率方面存在不足。为此,我们提出MobEvolve——首个用于人类移动生成的智能体自演化启发式框架。该框架初始化一个受行为启发的启发式系统,并利用大语言模型代理在验证集上迭代诊断实际偏差与失败案例,提出针对性更新并积累演化记忆以实现持续自我改进。在新加坡与蒙特利尔基准数据集上的大量评估表明,MobEvolve在个体轨迹保真度、群体分布对齐性和行为合理性方面显著优于当前最先进的深度生成与基于LLM的方法,同时保持了可解释性与高效推理。
原文摘要 · Abstract (English)
Human mobility generation aims to synthesize realistic trip chains for target populations based on individual features. Existing paradigms, including deep generative models, LLM-based methods, and traditional heuristics, struggle to satisfy the complex demands of this task while simultaneously maintaining interpretability, behavioral plausibility, population-level distributional alignment, and inference efficiency. To bridge this gap, we introduce MobEvolve, the first agentic self-evolving heuristic framework for human mobility generation. MobEvolve initializes a behavior-inspired heuristic system and employs an LLM agent to iteratively evolve its internal logic. By diagnosing empirical misalignments and failure cases on a validation set, the agent proposes targeted updates and accumulates evolution memory for cumulative self-improvement. Extensive evaluations on the Singapore and Montreal benchmarks demonstrate that MobEvolve significantly outperforms state-of-the-art deep generative and LLM-based methods in individual trajectory fidelity, population-level distribution alignment, and behavioral plausibility, while preserving interpretability and high inference efficiency.
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