Some key issues in database systems in a Digital Library setting

Digital library research: major issues and trends

“…The separation between metadata and data is extremely useful, particularly in a DL environment, as it allows us to query not only the currently stored information but also the structure of information [54]. Dempsey and Heery [55] define metadata as data associated with objects which relieve their potential users of having to have full advance knowledge of the existence of characteristics.…”

“…Adam et al [54] suggest that in a DL setting, one expects a variety of data types and within these data types a number of sources of information. There will thus be a great need for just finding out what information is contained in a DL.…”

“…There will thus be a great need for just finding out what information is contained in a DL. This means that the concept of metadata will need to be extended by information models that present meta-information in concise and meaningful ways, and from which the user may decide what to retrieve [54]. While various metadata schemes have been used for bibliographic access and control for decades, there remains a question of how to catalogue and index all those materials available on the Internet using these schemes.…”