@article{clusteringtreestructureddataonmanifold,
  title = {Clustering Tree-structured Data on Manifold},
  author = {Na Lu and Hongyu Miao},
  year = {2015},
  eprint = {1507.05532},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1507.05532v2},
}