@article{onregularizationparameterestimationunder,
  title = {On Regularization Parameter Estimation under Covariate Shift},
  author = {Wouter M. Kouw and Marco Loog},
  year = {2016},
  eprint = {1608.00250},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1608.00250v1},
}