Yang, Cheng-LunCheng-LunYangKung, Perng-HwaPerng-HwaKungChen, Chun-AnChun-AnChenSHOU-DE LIN2020-05-042020-05-042013https://scholars.lib.ntu.edu.tw/handle/123456789/489821Semantically sampling in heterogeneous social networks.conference paper10.1145/2487788.2487879https://doi.org/10.1145/2487788.2487879