@InProceedings{pyysalo-ohta-tsujii:2011:BioNLP-ST,
  author    = {Pyysalo, Sampo  and  Ohta, Tomoko  and  Tsujii, Jun'ichi},
  title     = {Overview of the Entity Relations (REL) supporting task of BioNLP Shared Task 2011},
  booktitle = {Proceedings of BioNLP Shared Task 2011 Workshop},
  month     = {June},
  year      = {2011},
  address   = {Portland, Oregon, USA},
  publisher = {Association for Computational Linguistics},
  pages     = {83--88},
  url       = {http://www.aclweb.org/anthology/W11-1812}
}