@article{relationextractionasurvey,
  title = {Relation Extraction : A Survey},
  author = {Sachin Pawar and Girish K. Palshikar and Pushpak Bhattacharyya},
  year = {2017},
  eprint = {1712.05191},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1712.05191v1},
}