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The importance of content-oriented visual user interfaces using video icons for visual database systems is clarified. The effectiveness of both still and live video images, especially for user's browsing and interaction, is shown by means of the MediaBENCH (hypermedia basic environment for computer and human interactions), which is a basic prototype multimedia database system. Various methods of handling video data on the MediaBENCH are introduced and discussed to show how video data can be manipulated on visual database systems which deal with spatial and temporal factors. A visual interface using video icons is quite suitable to video editing, presentation support or other electronic video document systems.>
Tonomura et al. (2003) studied this question.