@article{onconstrainedspectralclusteringandits,
  title = {On Constrained Spectral Clustering and Its Applications},
  author = {Xiang Wang and Buyue Qian and Ian Davidson},
  year = {2012},
  eprint = {1201.5338},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1201.5338v2},
}