@InProceedings{ide-suderman:2007:LAW,
  author    = {Ide, Nancy  and  Suderman, Keith},
  title     = {{GrAF}: A Graph-based Format for Linguistic Annotations},
  booktitle = {Proceedings of the Linguistic Annotation Workshop},
  month     = {June},
  year      = {2007},
  address   = {Prague, Czech Republic},
  publisher = {Association for Computational Linguistics},
  pages     = {1--8},
  url       = {http://www.aclweb.org/anthology/W/W07/W07-1501}
}