@InProceedings{airola-EtAl:2008:BioNLP,
  author    = {Airola, Antti  and  Pyysalo, Sampo  and  Bj{\"o}rne, Jari  and  Pahikkala, Tapio  and  Ginter, Filip  and  Salakoski, Tapio},
  title     = {A Graph Kernel for Protein-Protein Interaction Extraction},
  booktitle = {Proceedings of the Workshop on Current Trends in Biomedical Natural Language Processing},
  month     = {June},
  year      = {2008},
  address   = {Columbus, Ohio},
  publisher = {Association for Computational Linguistics},
  pages     = {1--9},
  url       = {http://www.aclweb.org/anthology/W/W08/W08-0601}
}