Marco Padula, Giuliana Rinaldi
Introduction We are passing from a world in which information management lies in the hands of a few devotees to one of widespread and diffuse consumption of information . Raw data is of little practical use; what counts is the knowledge that can be extracted from plain information to support decisional processes and scientific analysis and to synthesize documentation. Multimedia information is rich and easy to use for humans, who draw on it regularly to carry out their activities and communicate the results obtained. But the mass of information now available is so great that it must be organized…
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