@inproceedings{Vieira:2003:LINGAN,
  author = {Vieira, Renata  and  Gasperin, Caroline  and  Goulart, Rodrigo  and  Salmon-Alt, Susanne},
  title  = {From Concrete to Virtual Annotation Mark-up Language: The Case of {COMMOn-REFs}},
  booktitle = {Proceedings of the ACL 2003 Workshop on Linguistic Annotation: Getting the Model Right},
  editor = {Key-Sun Choi, Nancy Ide and Laurent Romary},
  url    = {http://www.aclweb.org/anthology/W03-1902.pdf},
  year   = 2003,
  pages  = {6--13}
}