Knowledge Discovery in Multimedia Repositories: the role of metadata

Data mining has recently emerged as an important issue of multimedia research. New trends are focused on knowledge discovery in large multimedia repositories, however, traditional data mining approaches do not seem to bear fruits. There is a need to use new techniques to mine knowledge from multimedia, link content top context and more importantly, to exploit them in real life applications. In this communication we review the state of the art in multimedia data mining, discuss the role of metadata standards and present future trends in this research area. Key-Words: Multimedia Mining, Knowledge discovery, Metadata, State of the Art.