@article{improvementofkmeanclusteringalgorithm,
  title = {Improvement of K Mean Clustering Algorithm Based on Density},
  author = {Su Chang and Xu Zhenzong and Gao Xuan},
  year = {2018},
  eprint = {1810.04559},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1810.04559v1},
}