@article{Xu:2016BD,
  author = "Xu, Yingcheng",
  title = "{Quality and Safety News Topic Tracking Algorithm Based on Improved K-Nearest Neighbor}",
  doi = "10.22323/1.264.0018",
  journal = "PoS",
  year = 2016,
  volume = "ISCC2015",
  pages = "018"
}