The libraries, museums, etc. Periodically, content providers transfer the latest version of their entire database to Image Services for updating online. Only entire databases are updated, and there is no provision for the update of individual records. This approach has pros and cons. Content providers are not only on campus, but from other institutions and commercial entities.
All content is integrated into a common resource for access.
Collection specific database fields can easily be mapped to one or more core category sets, such as Dublin Core and VRA Core. This increases compatibility and enhances searchablity among similar collections. All collections are searchable together in the Image Services access system. At the same time, the collections are searchable independently by the unique attributes of each. Relational data structures are flattened for efficiency.