@article{highdimensionaljointsparsityrandom,
  title = {High-dimensional Joint Sparsity Random Effects Model for Multi-task Learning},
  author = {Krishnakumar Balasubramanian and Kai Yu and Tong Zhang},
  year = {2013},
  eprint = {1309.6814},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1309.6814v1},
}