Post on 17-Jan-2016
transcript
by Visual Resources Association (VRA)
VRA Core Categories
Content: 17 Categories/elementsFeature:
a DC-like elements set for image collections focuses on visual resource community’s need heavy use of CDWA elements
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VRA Core 3.0http://www.vraweb.org/resources/datastandards/vracore3/index.html
Record Type Type Title Measurements Material Technique Creator Date Location ID Number Style/Period Culture Subject Relation Description Source Rights
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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.
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.
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VRA Core 4.0
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Take an example: Specification for element “DATE”
what kinds of dates to
be described
values allowed
for date 'type'
attribute
how to
formu-late a date
mapping to
other schema
s
Is 'DATE' require
d ? repeat-able?
Element,sub-elements,
attributes
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(cont.) element “DATE”
How to encode dates
in XML
<work id=""> <dateSet>
<display></display> <notes></notes> <date type=“ ”>
<earliestDate></earliestDate> <latestDate></latestDate>
</date> </dateSet>
</work>
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Syntax(using date element as example)
<work id=""> <dateSet>
<display></display> <notes></notes> <date type=“ ”>
<earliestDate></earliestDate> <latestDate></latestDate>
</date> </dateSet>
</work>
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(cont.) Syntax(using date element as example)
Note: green colored are always optional.
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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
Work to workImage to Work Image to Collection or Work to Collection
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Relationships between records
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Elements changes in 4.0
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VRA Core 4.0 Elements OverviewVRA Core 4.0 Elements Overview
textbook p. 40
• 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
VRA Core 4.0 Elements, Sub-element, & Attributes
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"Type" attribute's restricted values
14Full list available athttp://www.loc.gov/standards/vracore/VRA_Core4_Restricted_schema_type_values.pdf
used for describing this
values to be used
for this ele-men
t
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a part of a VRA Core record Go to: http://www.vraweb.org/projects/vracore4/example016.html to see the full record; click "xml" to see the record behind (next slide)
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a part of a VRA Core XML record Go to: http://www.vraweb.org/projects/vracore4/example016.html Click "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?
Schemas: http://www.loc.gov/standards/vracore/schemas.html
Examples: http://www.vraweb.org/projects/vracore4/vracore_examples.html
VRA Core 4.0 References
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