@InProceedings{alicante-corazza:2011:RANLP,
  author    = {Alicante, Anita  and  Corazza, Anna},
  title     = {Barrier Features for Classification of Semantic Relations},
  booktitle = {Proceedings of the International Conference Recent Advances in Natural Language Processing 2011},
  month     = {September},
  year      = {2011},
  address   = {Hissar, Bulgaria},
  publisher = {RANLP 2011 Organising Committee},
  pages     = {509--514},
  url       = {http://aclweb.org/anthology/R11-1070}
}