collaborators

6 papers

cs.AI2026

Trip+: Benchmarking Agents in Personalized Interactive Travel Planning

Junle Chen, Wei Chen, Yehong Xu +6

Interactive travel planning has become a popular use case for language models. Agents are deployed to manage evolving preferences and unexpected disruptions over multiple turns. Su…

cs.CL2026

MExam: Benchmarking Multimodal Memory for Realistic User-Agent Interactions

Zhengjun Huang, Wenxuan Liu, Zhoujin Tian +6

Language agents are increasingly deployed over accumulating multimodal information, yet existing benchmarks assume a human-human form with sparse visuals and straightforward conten…

cs.CL2026

LifeSide: Benchmarking Agents as Lifelong Digital Companions

Yuqian Wu, Zhijie Deng, Wei Chen +8

Lifelong digital companions must integrate cross-session cues, continually update their understanding of users, and adapt to shifting privacy boundaries. Existing evaluations fail…

cs.LG2026

UrbanFM: Scaling Urban Spatio-Temporal Foundation Models

Wei Chen, Yuqian Wu, Junle Chen +2

Urban systems, as dynamic complex systems, continuously generate spatio-temporal data streams that encode the fundamental laws of human mobility and city evolution. While AI for Sc…

cs.LG2026

Learning from Complexity: Exploring Dynamic Sample Pruning of Spatio-Temporal Training

Wei Chen, Junle Chen, Yuqian Wu +2

Spatio-temporal forecasting is fundamental to intelligent systems in transportation, climate science, and urban planning. However, training deep learning models on the massive, oft…

cs.MM2025

Anchoring Trends: Mitigating Social Media Popularity Prediction Drift via Feature Clustering and Expansion

Chia-Ming Lee, Bo-Cheng Qiu, Cheng-Jun Kang +5

Predicting online video popularity faces a critical challenge: prediction drift, where models trained on historical data rapidly degrade due to evolving viral trends and user behav…