@article{whyisdifferentialevolutionbetterthan,
  title = {Why is Differential Evolution Better than Grid Search for Tuning Defect Predictors?},
  author = {Wei Fu and Vivek Nair and Tim Menzies},
  year = {2016},
  eprint = {1609.02613},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1609.02613v3},
}