Fig. 5 summarizes two results of the tests. The overall experience is very positive and the system proved to be
easy to use, despite the objective difficulty of interacting with a complex system for which the testers received only
a very limited training. Users appreciated the combination of different interfaces. The type of search interface that
proved to be more suitable for the majority of the users is the Sirio advanced interface because of its many
functionalities that are suitable for professional video archivists.