@article{LaueAwad2011,
  author    = {Ralf Laue and Ahmed Mahmoud Hany Aly Awad},
  title     = {Visual suggestions for improvements in business process diagrams},
  journal   = {Journal of visual languages and computing},
  volume    = {22},
  number    = {5},
  pages     = {385 -- 399},
  doi       = {10.1016/j.jvlc.2011.04.003},
  year      = {2011},
}