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VRA Core Categories

VRA Core Categories. by Visual Resources Association (VRA). VRA Core 3.0 http://www.vraweb.org/resources/datastandards/vracore3/index.html. Content: 17 Categories/elements Feature: a DC-like elements set for image collections focuses on visual resource community ’ s need

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VRA Core Categories

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  1. VRA Core Categories by Visual Resources Association (VRA)

  2. VRA Core 3.0http://www.vraweb.org/resources/datastandards/vracore3/index.html • Content: 17 Categories/elements • Feature: • a DC-like elements set for image collections • focuses on visual resource community’s need • heavy use of CDWA elements

  3. VRA CORE CATEGORIES 3.0 17 elements • Discussion in class: • Please mark those elements that DC has. • Check the qualifiers at: • http://www.vraweb.org/resources/datastandards/vracore3/index.html • 3. Discuss the elements that DC did not include. • Record Type • Type • Title • Measurements • Material • Technique • Creator • Date • Location • ID Number • Style/Period • Culture • Subject • Relation • Description • Source • Rights

  4. VRA Core 4.0 • http://www.vraweb.org/projects/vracore4/index.html • Released 4/9/2007 • VRA Core 4.0 changes have been made in order to make the Core XML-compliant.

  5. Take an example: Specification for element “DATE” Element, sub-elements, attributes what kinds of dates to be described how to formu-late a date values allowed for date 'type' attribute mapping to other schemas Is 'DATE' required ? repeat-able?

  6. (cont.) element “DATE” How to encode dates in XML

  7. Syntax (using date element as example) <work id=""> <dateSet> <display></display> <notes></notes> <date type=“”> <earliestDate></earliestDate> <latestDate></latestDate> </date> </dateSet> </work>

  8. (cont.) Syntax (using date element as example) <work id=""> <dateSet> <display></display> <notes></notes> <date type=“”> <earliestDate></earliestDate> <latestDate></latestDate> </date> </dateSet> </work> Note: green colored are always optional.

  9. Display, Indexing, and Annotation VRA Core XML schema provides each element with two separate subelements, display and notes, for display and annotation purposes respectively. For display use, optional in the set For indexing use, required in a set

  10. Relationships between records • Work to work • Image to Work • Image to Collection or Work to Collection

  11. Elements changes in 4.0

  12. VRA Core 4.0 Elements Overview textbook p. 40

  13. VRA Core 4.0 Elements, Sub-element, & Attributes • work, collection, or image (id) • agent − attribution − culture − dates (type) earliestDate (circa) latestDate (circa) − name (type) − role • culturalContext • date (type) − earliestDate (circa) − latestDate (circa) • description • inscription − author − position − text (type) • location (type) − name (type) − refid (type) • material (type) • measurements (type, unit) • relation (type, relids) • rights (type) − rightsHolder − text • source − name (type) − refid (type) • stateEdition (count, num, type) − description − name • stylePeriod • subject − term (type) • technique • textref − name (type) − refid (type) • title ( type) • worktype 12

  14. "Type" attribute's restricted values for this ele-ment used for describing this values to be used Full list available athttp://www.loc.gov/standards/vracore/VRA_Core4_Restricted_schema_type_values.pdf

  15. a part of a VRA Core record Go to: http://www.vraweb.org/projects/vracore4/example016.htmlto see the full record; click "xml" to see the record behind (next slide)

  16. a part of a VRA Core XML record Go to: http://www.vraweb.org/projects/vracore4/example016.htmlClick "xml" (You may need to use Firefox to see this.) exam this agentSet: Who is the agent? What is his birth and death year? Is he an American? Is he a painter or an architect? What do these dates tell us? Are they about the artist or about this statue?

  17. VRA Core 4.0 References • Schemas: http://www.loc.gov/standards/vracore/schemas.html • Examples: http://www.vraweb.org/projects/vracore4/vracore_examples.html

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