title: Topic-Aware Physical Activity Propagation in a Health Social Network.
abstract: Modeling physical activity propagation, such as physical exercise level and intensity, is the key to preventing the conduct that can lead to obesity; it can also help spread wellness behavior in a social network.
authors.affiliation: University of Oregon.
authors.forename: Nhathai
authors.initials: N
authors.lastname: Phan
authors.affiliation: University of Oregon.
authors.forename: Javid
authors.initials: J
authors.lastname: Ebrahimi
authors.affiliation: Civitas Learning.
authors.forename: Dave
authors.initials: D
authors.lastname: Kil
authors.affiliation: PeaceHealth Laboratories.
authors.forename: Brigitte
authors.initials: B
authors.lastname: Piniewski
authors.affiliation: University of Oregon.
authors.forename: Dejing
authors.initials: D
authors.lastname: Dou