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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
VRA Core Categories

by

Visual Resources Association (VRA)

vra core 3 0 http www vraweb org resources datastandards vracore3 index html
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
vra core categories 3 0 17 elements
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
vra core 4 0
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.
take an example specification for element date
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?

cont element date
(cont.) element “DATE”

How to encode dates in XML

syntax
Syntax

(using date element as example)

<work id="">

<dateSet>

<display></display>

<notes></notes>

<date type=“”> <earliestDate></earliestDate>

<latestDate></latestDate>

</date>

</dateSet>

</work>

cont syntax
(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.

display indexing and annotation
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

relationships between records
Relationships between records
  • Work to work
  • Image to Work
  • Image to Collection

or

Work to Collection

vra core 4 0 elements sub element attributes
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

type attribute s restricted values
"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

slide15

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)

slide16

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?

vra core 4 0 references
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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