1. Standards for data structures and semantics metadata element sets/metadata schemas/metadata

vocabulariese.g., Dublin Core Metadata Element Set (DCMES)

2. Standards and Guides for data content 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 1

Metadata Standards - Types

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2

3

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Dublin Core VRA CoreEADDC TermsMARC21MODS

AACR2 ->RDACCODACS

LCSHAATTGNDDC

ISO2709 (MARC)

XML

Standards for data structures

Standards for data contents

Standards for data exchange

Standards for data values

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3

Standards for data structures and semantics –

element sets Example 1: Dublin Core Metadata Element Set

Elements:

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4

Components of an element set: Elements, definitions, best practices, recommended

encoding schemes

-- from Dublin Core Metadata Element Set, Version 1.1

Standards and Guides for data content – rules and guides

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5

Content Standards and Guidelines

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http://wiki.dublincore.org/index.php/User_Guide

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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

For time: W3DDTF (Encoding Rules for Dates and Times)

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3

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Standards for data structures and semantics –element sets Example 2:Example 2: VRA Core 4.0 VRA Core 4.0 Element SetElement Set1

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A partial VRA Core record

http://www.vraweb.org/projects/vracore4/example024.html

how to describe a date?

See next slide

VRA Core 4.0 Specification for element “DATE”

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1

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2

The specification

tells you what to describe

about a date and how.

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

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2

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

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Content Standards and Guidelines

http://cco.vrafoundation.org/

Plus:

• Examples

• Vocabularies

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There are separately published content

standards.

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AAT

ULAN

TGN

CONA

Standards for data values: Authorities and Controlled Vocabularies 3

Art and Architecture Thesaurus

Union List of Artists Names

Getty Thesaurus of Geographic Names

Cultural Objects Name Authority

used in records:

used in collections: