@inproceedings{cardinalvirtuesextractingrelation,
  title = {Cardinal Virtues: Extracting Relation Cardinalities from Text},
  author = {Paramita Mirza and Simon Razniewski and Fariz Darari and Gerhard Weikum},
  year = {2017},
  booktitle = {ACL 2017 7},
  eprint = {1704.04455},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1704.04455v2},
}