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Image Metadata Desiderata for a manageable future. Stephen Paul Davis, Columbia University Libraries ASIS 1996 Annual Meeting. Schematic Digital Image Collection. Thumbnail. Item record. Item record. Low Resolution. Item record. Item record. Item record. Item record. Item
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Image MetadataDesiderata for a manageable future Stephen Paul Davis, Columbia University Libraries ASIS 1996 Annual Meeting
Schematic Digital Image Collection Thumbnail Item record Item record Low Resolution Item record Item record Item record Item record Item record Item record Medium Resolution Item record Item record Item record Item record Item record Item record Item record Item record Item record Item record Item record Item record Item record Item record Item record Item record High Resolution Detail
Complex Digital Object Bitmap Image of Text including BW illustrations Microfilm Olafsson Travels in Iceland 1760 TEI/SGML Encoded Text Digital reproductions of color illustrations each at multiple resolutions High resolution digital reproduction of folded maps Color Bitmapped Image
Slide Set with Simple Hierarchy Sullivan, Louis H.,1856-1924. Auditorium Theater (Chicago, Ill.)[slide] 1887-1890.8 slides : col. Photographers, Barry Bergdoll and Joseph Connors. Sullivan, Louis H.,1856-1924. Exterior view. http://www.columbia.edu/imaging/imagearchive/PCD404320240172/img0001 Sullivan, Louis H.,1856-1924. Detail of atts on side elevation. http://www.columbia.edu/imaging/imagearchive/PCD404320240172/img0002 Sullivan, Louis H.,1856-1924. Exterior view of tower. http://www.columbia.edu/imaging/imagearchive/PCD404320240172/img0003 [etc.]
Desiderata DATA ELEMENTS • National/international data element registry • Single m aintenance agency • Workable data element taxonomies • Published standards for element inclusion • Ongoing consideration of actual functional requirements for image metadata
DesiderataCONTENT MODELS • One or more generalizable content models • Language for describing content models • Working models for hierarchies, components and object relationships • Designated maintenance agencies • Rapt attention to private sector initiatives
DesiderataDATABASE DESIGN • Object-oriented, not just hierarchical • Functionally integrated with legacy systems • Client-server capable • Web-capable • Scalable & flexible • Based on industry standards
Desiderata:DB MANAGEMENT & APPLICATIONS • Public access functions • (including license mgmt, secure commerce, authentication) • Data creation & maintenance tools • Authority files, thesaurus support • Authority control, global change • Editing templates, productivity tools • Scalable, open design, APIs, client apps
NEXT STEPS • Experimentation • Collaboration • Constant reevaluation • Partnerships with private sector • Imagining the future
KEY DESIDERATUM NATIONAL DATA ELEMENT REGISTRY