@article{semisupervisedkernelmetriclearningusing,
  title = {Semi-supervised Kernel Metric Learning Using Relative Comparisons},
  author = {Ehsan Amid and Aristides Gionis and Antti Ukkonen},
  year = {2016},
  eprint = {1612.00086},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1612.00086v2},
}