@article{amodelbuildingframeworkforanswerset,
  title = {A model building framework for Answer Set Programming with external computations},
  author = {Thomas Eiter and Michael Fink and Giovambattista Ianni and Thomas Krennwallner and Christoph Redl and Peter Schüller},
  year = {2015},
  eprint = {1507.01451},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1507.01451v2},
}