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Metadata Standards - Types

Metadata Standards - Types. 1. 2. 3. 4. 1. Standards for data structures and semantics metadata element sets/ metadata schemas/metadata vocabularies e.g ., Dublin Core Metadata Element Set ( DCMES ) 2. Standards and Guides for data content

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Metadata Standards - Types

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  1. Metadata Standards - Types 1 2 3 4 1. Standards for data structures andsemantics metadata element sets/metadata schemas/metadata vocabularies e.g., Dublin Core Metadata Element Set (DCMES) 2. Standards and Guides for datacontent created to guide the practices of metadata generation e.g., AACR2, DACS, CCO, Using DC 3. Standards for data values value encoding schemes (link to list) e.g., DCMI Type Vocabulary| RFC 4646 Tags for Identifying Languages| AAT | LCSH 4. Standards for data exchange may be separately designed or bound together with the element sets e.g., MARC 21, XML, html5 microdata, RDFa

  2. Standards for data contents Standards for data structures 1 2 Dublin Core VRA Core EAD DC Terms MARC21 MODS AACR2 ->RDA CCO DACS LCSH AAT TGN DDC ISO2709 (MARC) XML 3 4 Standards for data values Standards for data exchange

  3. Standards for data structures andsemantics –element setsExample 1:Dublin Core Metadata Element Set 1 Elements:

  4. Components of an element set: Elements, definitions, best practices, recommended encoding schemes 2 Standards and Guides for datacontent– rules and guides -- from Dublin Core Metadata Element Set, Version 1.1

  5. 2 Content Standards and Guidelines http://wiki.dublincore.org/index.php/User_Guide

  6. 3 Standards for data values – value encoding schemes • For resource types: DCMI Type Vocabulary • For languages RFC 4646 Tags for Identifying Languages • For subjects: Library of Congress Subject Headings • For geographic names: Thesaurus of Geographic Names (TGN) Standards for data values – Syntax encoding schemes 3 For time: W3DDTF (Encoding Rules for Dates and Times)

  7. Standards for data structures andsemantics –element setsExample 2:VRA Core 4.0 Element Set 1

  8. A partial VRA Core record how to describe a date? See next slide http://www.vraweb.org/projects/vracore4/example024.html

  9. 1 VRA Core 4.0 Specification for element “DATE” The specification tells you what to describe about a date and how. 2 2

  10. Cont. Example from VRA Core 4.0 Specification for element “DATE” 2

  11. Content Standards and Guidelines 2 There are separately published content standards. • Plus: • Examples • Vocabularies http://cco.vrafoundation.org/ Chapter 1: Object Naming Chapter 2: Creator Information Chapter 3: Physical Characteristics Chapter 4: Stylistic, Cultural and Chronological Information Chapter 5: Location and Geography Chapter 6: Subject Chapter 7: Class Chapter 8: Description Chapter 9: View Information

  12. Standards for data values: Authorities and Controlled Vocabularies 3 ULAN Union List of Artists Names AAT Art and Architecture Thesaurus Getty Thesaurus of Geographic Names TGN used in records: CONA used in collections: Cultural Objects Name Authority

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