A content-location-aware public welfare activity information push system based on microblog

Ling Chen, Dandan Lyu, Zhenxing Xu, Hanyu Long, Gencai Chen

Abstract: Highlights•Propose a content-location-aware public welfare activity information push system based on microblog.•Propose a topic model and keyword search based method to discover users who are explicitly interested in public welfare activity information.•Propose a distance metric learning based method to obtain a certain number of local potential users.