@article{theknowledgegradientpolicyusingasparse,
  title = {The Knowledge Gradient Policy Using A Sparse Additive Belief Model},
  author = {Yan Li and Han Liu and Warren Powell},
  year = {2015},
  eprint = {1503.05567},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1503.05567v1},
}