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Xixuan Hao

2 papers indexed

arxivcs.AI2026-07-15

Multi-Agent Collaborative Reasoning with Tool-Augmented Evidence for Urban Region Profiling

Xixuan Hao, Yutian Jiang, Jiabo Liu, Yihang Yang, Guangyin Jin, Song Gao, et al.

Urban region profiling constitutes a core problem in urban computing, supporting applications such as population estimation, economic assessment, and environmental monitoring. Existing methods typically formulate this task as multimodal representation learning, fusing heterogeneo…

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arxivcs.AIcs.CL2026-07-14

MemOps: Benchmarking Lifecycle Memory Operations in Long-Horizon Conversations

Xixuan Hao, Zeyu Zhang, Zehao Lin, Yihang Sun, Ziliang Guo, Xichong Zhang, et al.

Long-term memory has become a foundational capability for LLM-based agents that accompany users across extended, multi-session interactions. Existing benchmarks, however, evaluate such memory almost exclusively through downstream question answering, scoring only the correctness o…

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