@inproceedings{DocEng-2013-TomasiV,
	author        = "Francesca Tomasi and Fabio Vitali",
	booktitle     = "{Proceedings of the 13th Symposium on Document Engineering}",
	doi           = "10.1145/2494266.2494323",
	isbn          = "978-1-4503-1789-4",
	pages         = "283--284",
	publisher     = "{ACM}",
	title         = "{Collaborative annotations in shared environments: metadata, vocabularies and techniques in the digital humanities (DH-CASE 2013)}",
	year          = 2013,
}