Nowadays, everybody agrees with the fact that multimedia is a new way to teach something. This technology can be used in a different context, such as traditional teaching or computer aided learning (for instance in adaptive hypermedia for teaching). But to produce multimedia courses, the teachers need to have multimedia data. However, as teachers are not computer scientists, they do not have the
... [Show full abstract] ability to create their own data. Therefore, they need to find a server where they can exchange multimedia didactic knowledge. This paper introduces the goals and the non-classical architecture of SEMUSDI, an Internet server of multimedia data about engineering sciences.