@InProceedings{kundu-ng:2018:EMNLP,
  author    = {Kundu, Souvik  and  Ng, Hwee Tou},
  title     = {A Nil-Aware Answer Extraction Framework for Question Answering},
  booktitle = {Proceedings of the 2018 Conference on Empirical Methods in Natural Language Processing},
  month     = {October-November},
  year      = {2018},
  address   = {Brussels, Belgium},
  publisher = {Association for Computational Linguistics},
  pages     = {4243--4252},
  url       = {http://www.aclweb.org/anthology/D18-1456}
}