@incollection {NIPS2003_AA20,
  author = " Xiaofei He and  Partha Niyogi",
  title = " Locality Preserving Projections",
  booktitle = "Advances in Neural Information Processing Systems 16",
  editor = "Sebastian Thrun and Lawrence Saul and Bernhard {Sch\"{o}lkopf}",
  publisher = "MIT Press",
  address = "Cambridge, MA",
  year = "2004",
  keywords = "dimensionality reduction, manifold, locality preserving, Laplacian eigenmaps, kernel methods, Laplace-Beltrami operator, graph Laplacian",
  }