@article{discoveringhiddentopicalhubsand,
  title = {Discovering Hidden Topical Hubs and Authorities in Online Social Networks},
  author = {Lee Roy Ka-Wei and Hoang Tuan-Anh and Lim Ee-Peng},
  year = {2018},
  eprint = {1802.07022},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1802.07022v1},
}