@article{themythofmodularityinrulebasedsystems,
  title = {The Myth of Modularity in Rule-Based Systems},
  author = {David Heckerman and Eric J. Horvitz},
  year = {2013},
  eprint = {1304.3090},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1304.3090v1},
}