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Graph-Based Physics-Guided Urban PM2. 5 Air Quality Imputation with Constrained Monitoring Data Shangjie Du, Hui Wei, Dong Yoon Lee, Zhizhang Hu, Shijia Pan ACM Transactions on Sensor, 2025. [PDF]

GraPhy: Graph-Based Physics-Guided Urban Air Quality Modeling for Monitoring-Constrained Regions
Shangjie Du, Zhizhang Hu, Shijia Pan
ACM International Conference on Systems for Energy-Efficient Buildings, Cities, and Transportation(BuildSys), 2024. [PDF]

Poster: PrivaSee: Augmented Reality-Enabled Privacy Perception Visualization for Internet of Things
Yue Zhang*, Shangjie Du*, Jiqing Wen, Robert Likamwa, Shiwei Fang, Shijia Pan
Annual International Conference on Mobile Systems, Applications and Services(MobiSys), 2024. [PDF]

Poster Abstract: Enhancing Fault Resilience of Air Quality Monitoring in San Joaquin Valley: A Data Equity Analysis
Zhizhang Hu*, Shangjie Du*, Yuning Chen, Xuan Zhang, Wan Du, Asa Bradman, Shijia Pan
ACM Conference on Embedded Networked Sensor Systems(Sensys), 2023. [PDF]