Information about college students' social networks plays a pivotal role in college students' mental health monitoring and student management. While there have been many studies to infer social networks by data mining, the mining of college students' social networks lacks consideration of homophily. College students' social behaviors show significant homophily in the aspect of major and grade. Consequently, the inferred inter-major and inter-grade social ties will be erroneously omitted without considering such an effect. In this work, we aimed...