@inproceedings{EndrissFernandezACL2013, author = {Ulle Endriss and Raquel Fern\'andez}, title = {Collective Annotation of Linguistic Resources: Basic Principles and a Formal Model}, booktitle = {Proceedings of the 51st Annual Meeting of the Association for Computational Linguistics (ACL-2013)}, month = {August}, year = {2013}, note = {A short version was presented at BNAIC-2013 and is available at http://www.illc.uva.nl/$\sim$ulle/pubs/files/EndrissFernandezBNAIC2013.pdf} }