@inproceedings{inproceedingsda1af6fa,
title   = {Interactive multimedia annotations: enriching and extending content},
author = {Goularte, Rudinei and Cattelan, Renan Gonçalves and Camacho-Guerrero, José Antonio and Inácio Junior, Valter R and Pimentel, Maria da Graça Campos},
year = {2004},
publisher = {ACM},
booktitle   = {2004 ACM Symposium on Document Engineering}
}