A social approach to authoring media annotations
Collaborative synchronous video annotation via the watch-and-comment paradigm
Proceedings of the seventh european conference on European interactive television conference - EuroITV ’09
Proceedings of the 10th ACM symposium on Document engineering - DocEng ’10
Roberto Fagá
Maria da Graça Campos Pimentel
Cesar Augusto Camillo Teixeira
Renan G. Catellan
Renan Gonçalves Cattelan