@article{JMLR:v24:21-0697,
  author  = {Hau-Tieng Wu and Nan Wu},
  title   = {When Locally Linear Embedding Hits Boundary},
  journal = {Journal of Machine Learning Research},
  year    = {2023},
  volume  = {24},
  number  = {69},
  pages   = {1--80},
  url     = {http://jmlr.org/papers/v24/21-0697.html}
}