@article{probabilisticsemanticsanddefaults,
  title = {Probabilistic Semantics and Defaults},
  author = {Eric Neufeld and David L. Poole},
  year = {2013},
  eprint = {1304.2370},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1304.2370v1},
}