Gilberto Zonta Pastorello Jr. Jaudete Daltio Claudia Bauzer Medeiros Multimedia Semantic Annotation Propagation. 509-514 2008 ISM http://dx.doi.org/10.1109/ISM.2008.77 conf/ism/2008 db/conf/ism/ism2008.html#PastorelloDM08