@article{ahierarchicalmultioutputnearestneighbor,
  title = {A Hierarchical Multi-Output Nearest Neighbor Model for Multi-Output Dependence Learning},
  author = {Richard G. Morris and Tony Martinez and Michael R. Smith},
  year = {2014},
  eprint = {1410.4777},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1410.4777v1},
}