@article{alocalgloballdamodelfordiscovering,
  title = {A Local-Global LDA Model for Discovering Geographical Topics from Social Media},
  author = {Qiang Siwei and Wang Yongkun and Jin Yaohui},
  year = {2016},
  eprint = {1607.05806},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1607.05806v1},
}