@inproceedings{pommerening-et-al-aaai2015,
  author       = {Florian Pommerening and Malte Helmert and Gabriele {R\"oger} and Jendrik
    Seipp},
  title        = {From Non-Negative to General Operator Cost Partitioning},
  pages        = {3335--3341},
  editor       = {Blai Bonet and Sven Koenig},
  booktitle    = {Proceedings of the Twenty-Ninth {AAAI} Conference on Artificial
    Intelligence ({AAAI} 2015)},
  publisher    = {{AAAI} Press},
  year         = 2015,
}