@InProceedings{pham-nguyen-shimazu:2013:IJCNLP,
  author    = {Pham, Minh Quang Nhat  and  Nguyen, Minh Le  and  Shimazu, Akira},
  title     = {Using Shallow Semantic Parsing and Relation Extraction for Finding Contradiction in Text},
  booktitle = {Proceedings of the Sixth International Joint Conference on Natural Language Processing},
  month     = {October},
  year      = {2013},
  address   = {Nagoya, Japan},
  publisher = {Asian Federation of Natural Language Processing},
  pages     = {1017--1021},
  url       = {http://www.aclweb.org/anthology/I13-1138}
}