@article{JMLR:v20:16-314,
  author  = {Franz J. Kiraly and Harald Oberhauser},
  title   = {Kernels for Sequentially Ordered Data},
  journal = {Journal of Machine Learning Research},
  year    = {2019},
  volume  = {20},
  number  = {31},
  pages   = {1--45},
  url     = {http://jmlr.org/papers/v20/16-314.html}
}