@article{JMLR:v8:hein07a,
  author  = {Matthias Hein and Jean-Yves Audibert and Ulrike von Luxburg},
  title   = {Graph Laplacians and their Convergence on Random Neighborhood Graphs},
  journal = {Journal of Machine Learning Research},
  year    = {2007},
  volume  = {8},
  number  = {48},
  pages   = {1325--1368},
  url     = {http://jmlr.org/papers/v8/hein07a.html}
}