Multimedia Databases and Security

by Jennifer R
The author first examines the different types of architecture available for constructing a  multimedia database. The roles of managing both metadata and multimedia can be delegated to the database management software, or a separate file manager can be delegated to handle the multimedia alone. Metadata is discussed, as audio and video data can require a great quantity of metadata. The author says “in the case of video data, one may need to maintain information about the various frames.” Multimedia data mining is also of concern, as it differs from data mining in a traditional database. The author explains that “data mining models data as a collection of similar but independent entities. The goal of data mining is to search for patterns that are common to many of these entities. ” The subtle details for identifying things we see in pictures and videos makes it difficult to fit multimedia data mining to traditional data mining. The author demonstrates this with an example, saying “pictures and video of different buildings have some similarity—each represents a view of a building—but without clear structure such as ‘these are pictures of the front of buildings’ it is difficult to relate multimedia mining to traditional data mining.” Due to the complexity of multimedia, the author suggests an end-to-end security approach, where we ensure every component of the system is secured. read more...

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