@article{JMLR:v14:urry13a,
  author  = {Matthew J. Urry and Peter Sollich},
  title   = {Random Walk Kernels and Learning Curves for Gaussian Process Regression on Random Graphs},
  journal = {Journal of Machine Learning Research},
  year    = {2013},
  volume  = {14},
  number  = {56},
  pages   = {1801--1835},
  url     = {http://jmlr.org/papers/v14/urry13a.html}
}