Congcong Chen

Offline Shop Recommendation based On Online Shopping History

2015 · Advances in Social Science, Education and Humanities Research/Advances in social science, education and humanities research

Most existing POI recommender systems is facing the problem of sparsely of data. In this paper, an O2O (Online to Offline) recommendation method is proposed, which can take advantage of users' online shopping history data. …

Study on the Evolution Mechanism and Flashover Warning of Multi-Modal Discharge of Metal Particles in Real GIS Under Long-Term Constant Voltage

2025

This study investigates the discharge evolution of metal particle defects in GIS under long-term operating voltage using a 220 kV real-scale platform. By controlling particle length, quantity, and spatial distribution, we reveal key mechanisms: 1) …