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Behind the scenes. Presented by: Doug Dunlop. Metadata 101. Simple definition: Data about data.
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Behind the scenes Presented by: Doug Dunlop
Metadata 101 • Simple definition: Data about data. • What it does: Describes content, Represents and creates structure, Represents types and sizes of documents, Reflects type of scanning equipment and imaging software, aids in information retrieval, links data and resources, lends to data sharing and movement.
Types of metadata • Descriptive • Structural • Administrative • Technical
NISO (national information standards organization) • Descriptive metadata describes a resource for purposes such as discovery and identification. It can include elements such as title, abstract, author, and keywords. • Structural metadata indicates how compound objects are put together, for example, how pages are ordered to form chapters.
Types of Metadata cont. • Administrative metadata provides information to help manage a resource, such aswhen and how it was created, file type and other technical information, and who can access it.
Subsets of administrative metadata • Rights management metadata, which deals with intellectual property rights. • Preservation metadata, which contains information needed to archive and preserve a resource.
Technical metadata Metadata related to how a system functions or metadata behave. - Hardware and software documentation- Digitization information, e.g., formats, compression ratios, scaling routines- Tracking of system response times- Authentication and security data, e.g., encryption keys, passwords
VRA (visual resource association) Record Type = workType = photographType = gelatin silver printTitle = interior view of Frederic C. Robie House dinning room with furnishingsMeasurements.Dimensions = 8x10"Material.Medium = gelatinMaterial.Medium = silverMaterial.Support = photo paperTechnique = photographyTechnique = gelatin silver processCreator.Personal name = Fuermann, HenryCreator.Role = photographerDate.Creation = 1910Location.Current Repository = Scottsdale (AZ, US), Frank Lloyd Wright Foundation, Taliesin WestID Number.Current Repository = 0908.018Culture = AmericanSubject = Frank C. Robie HouseSubject = dining roomSubject = dining tableSubject = dining chairSubject = stained glass windowRights = Frank Lloyd Wright Foundation, Taliesin West, Scottsdale, AZ, US
Dublin Core • Standard developed to describe online resources for better retrieval. • Broad and flexible elements, which can be used across disciplines. • Fairly easy to implement. • Internationally recognized standard.
Standards for data creation • LCSH (Library of Congress Subject Headings) • AAT (Art and Architecture Thesaurus) by Getty • TGM (Thesaurus for Graphic Materials) by Library of Congress
DC core elements • Title • Creator • Subject • Description • Publisher • Contributor • Date • Type • Format • Identifier • Source • Language • Relation • Coverage • Rights
DC qualifiers • Refine the meaning of the core elements. • Examples of qualifiers: Title-Alternative, Format-Extent, Coverage-Spatial