@inproceedings{grapheneacontextpreservingopen,
  title = {Graphene: A Context-Preserving Open Information Extraction System},
  author = {Matthias Cetto and Christina Niklaus and André Freitas and Siegfried Handschuh},
  year = {2018},
  booktitle = {COLING 2018 8},
  eprint = {1808.09463},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1808.09463v1},
}