From Concrete to Virtual Annotation Mark-up Language: The Case of COMMOn-REFs Renata Vieira author Caroline Gasperin author Rodrigo Goulart author Susanne Salmon-Alt author 2003-07 text Proceedings of the ACL 2003 Workshop on Linguistic Annotation: Getting the Model Right Association for Computational Linguistics Sapporo, Japan conference publication vieira-etal-2003-concrete 10.3115/1119296.1119298 https://aclanthology.org/W03-1902/ 2003-07 6 13