This review is a summary of the state-of-the-art for those who have not been intimately dealing with the evolution of digital archives. At the same time this survey will be a useful resource and starting point for archivists, librarians and technicians, who are becoming involved in institutional digitization projects. It presents a brief overview of what is meant by a digital library and a digital archive, and how archival collections can be described. It expresses briefly the different approaches to collections and their descriptions and suggests that a consistent approach to descriptions at collection and item level is an
In this paper, we describe a method for adding dynamic metadata to multimedia data, based on the emerging MPEG-7 standard. The method enables metadata to be dynamically added, removed, altered or processed in a generic way. Objects, interfaces and events (concepts from object technology) are defined using descriptors and descriptor schemes written in XML. By creating objects and interfaces, the content creator can add functionality to the metadata. This functionality can then be applied in an application dependant manner. Finally a preliminary implementation of the framework was created in order to validate the proposed methods. The current implementation uses the Apple QuickTime 1 framework as a host framework. Using the QuickTime movie format and the QuickTime framework, a format for transporting and manipulating the metadata has been created.
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