1: metadata standards and creation
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Mark Sullivan Digital Library of the Caribbean. 1: Metadata Standards and Creation. Metadata for Digital Resources. What is metadata ? What is your digital resource? Standards Standards Comparison Tools Questions. What is metadata?. What is metadata?. What is metadata?. - PowerPoint PPT PresentationTRANSCRIPT
1: METADATA STANDARDS AND
CREATION
Mark SullivanDigital Library of the Caribbean
Mark Sullivan 2
Metadata for Digital Resources What is metadata? What is your digital resource? Standards Standards Comparison Tools Questions
dLOC Training (7/29/2013) Gainesville, FL
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What is metadata?
dLOC Training (7/29/2013) Gainesville, FL
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What is metadata?
dLOC Training (7/29/2013) Gainesville, FL
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What is metadata?
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Library and Museum Metadata
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Greek Vase
470 –460 BC
35 centimeters
Odysseus and Eumaios the Swineherd
from Homer’s story of the Odyssey
Library and Museum Metadata
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Format: Greek Vase
Date: 470 –460 BC
Height: 35 centimeters
Title: [Greek Vase of Odysseus and Eumaiosthe Swineherd]
Notes: from Homer’s story of the Odyssey
Library and Museum Metadata
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Library and Museum Metadata
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Title: L' Isle St. DomingueAlternate Title: Atlas portatif Universel.. Physical Desc: 1 Map. : col; 17 x 22 cm on sheet 23 x 32 cm. Language: FrenchCreator: Robert de Vaugondy, Gilles , 1688-1766Date: 1749Place of Publ: Paris 1749Subjects: Maps --Early works to 1800 --West Indies ( lcsh)
Maps --Early works to 1800 --Hispaniola ( lcsh)Genre: single map( marcgt)
Maps ( lcsh) Early works to 1800 ( lcsh)
Spatial Coverage: Haiti, Dominican Republic Note: Outline color.
Library and Museum Metadata
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Library and Museum Metadata
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Title: Avanzamos o retrocedemos? : reflexiones sobre…Physical Desc: 165 p. Language: SpanishCreator: Mejia, RadhamesPublisher: Santo Domingo : PUCMM/CIEDHUMANODate: 2010 Subject: Educacion-Republica Dominicana-Ensayos, conferenciasAbstract: Este libro recoge una serie de artaculos sobre temas educativos publicados en los aos 2006 y 2007 en el periodico El Caribe. Identifier: RD 370.97293 M516a
isbn-9789945415339
Library and Museum Metadata
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Library Metadata
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Library Metadata - MARC
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What is your digital resource?
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What is your digital resource? Physical archival containers
Archival box? Archival folder? Item-level?
Scrapbooks Pages Photographs
Newspapers Issues Article
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Metadata Standards
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Why metadata standards?
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Standards
“The nice thing about standards is there are so many to choose from.”
- Andrew Tannenbaum (1988 )
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Types of Metadata Standards Bibliographic Description Metadata “Wrappers” and Transport Collection Descriptions Other Standards
Authority Standards Proprietary Standards etc…
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Types of Metadata Standards Bibliographic Description Metadata “Wrappers” and Transport Collection Descriptions Other Standards
Authority Standards Proprietary Standards etc…
dLOC Training (7/29/2013) Gainesville, FL
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Bibliographic Description Standards
MARC
Dublin Core
MODS
VRA Core
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Bibliographic Description : MARC MARC
Originally developed in 1960s by Library of CongressMost embraced metadata standard in libraries
MARC 21Combination of USMARC and CAN/MARCMetadata standard for 21st century
MarcXMLSame MARC format, except encoded in XML
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Bibliographic Description : MARC
Positives:Can encode a very granular amount of dataVery well adopted and works well with machine readers
NegativesNot very human-readableHigh learning curveMixes data with display (as commonly implemented)
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Bibliographic Description : DC Dublin Core Originally developed between 1994 and 1995 in Dublin
Ohio by OCLC Used widely on web pages to assist search engines Simplified Dublin Core
Title Creator SubjectDescription Publisher ContributorDate Type FormatIdentifier Source LanguageRelation Coverage Rights
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Bibliographic Description : DC Qualified Dublin Core
Added three elements ( Audience, Provenance, RightsHolder) More importantly, added some basic refinements
Positives Widely accepted and easy to read and encode
Negatives Even with qualified dublin core, difficult to encode complex data Lack of data refinement leads to loss of UI options
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Bibliographic Description : MODS Metadata Object Description Scheme Developed in 2002 by Library of Congress Beginning to be the de facto standard for digital libraries
(MODS/METS) Positives
Can handle a (large) subset of MARC tags Handles complex objects and can easily be extended
Negatives Hard to do round trip portability from MARC MODS MARC
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Bibliographic Description : VRA Core Visual Resource Association Developed in 1996 by Visual Resource Association Used for describing visual/cultural materials Includes all the standard tags
Date, Title, Description, Rights, Subject, etc..
Also more unique tags Cultural Context Style Technique
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Bibliographic Description Standards
MARC
Dublin Core
MODS
VRA Core
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Types of Metadata Standards Bibliographic Description Metadata “Wrappers” and Transport Collection Descriptions Other Standards
Authority Standards Proprietary Standards etc…
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Metadata “Wrappers” and Transport Contents
Files and Structural dataAdministrative data
ChoicesMETSOAI-PMHNo wrapper necessary
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Metadata “Wrappers” : METS Metadata Encoding & Transmission
Standard Standard by Library of Congress (2001) Contains
Descriptions section(s)Administrative section(s)File section(s)Structure map(s)
Accepts any XML schema
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Metadata “Wrappers” : METS
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Metadata Encoding and Transmission Standard (METS)
metsHeader – information about the METS
dmdSec – descriptive metadata
amdSec – administrative metadata
fileSec – list of all files grouped by type
structMap – divisions/pages linked to files
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Metadata “Wrappers” : OAI-PMH Open Archives Initiative -Protocol for
Metadata Harvesting (2000-2001) Defines a protocol (over HTTP) Main Verbs
IdentifyListMetadataFormats – usually dublin core (99%)ListSetsListRecords
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Types of Metadata Standards Bibliographic Description Metadata “Wrappers” and Transport Collection Descriptions Other Standards
Authority Standards Proprietary Standards etc…
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Collection Metadata Standards (METS)
EADEncoded Archival DescriptionElectronic Finding Guide/AidMain Sections
○ Descriptions○ Container List –can link to digital objects
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Types of Metadata Standards Bibliographic Description Metadata “Wrappers” and Transport Collection Descriptions Other Standards
Authority Standards Proprietary Standards etc…
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Still to come… Authority Metadata Standards
NACOMADSEAC
Other StandardsKMLDarwinCoreZ39.50 / ZING
Standards are like weeds….
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Proprietary and Custom Formats
Proprietary File FormatsGreenstone Document File (doc.xml)Fedora Object File (FOXml)
Custom SchemasSobekCM Schema ( UFDC and dLOC)
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Back to the beginning?MODS?
KML?
MADS?
MARC?
To wrap?
Dublin Core?
VRA Core?
EAC?
EAD?
METS?
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Evidence-based Universities within Florida ( 10 schools ) Digital Objects
MARC ( linked to catalog )Dublin Core ( no wrapper, simple objects )METS wrapper ( for complex items )MODS
EAD for Finding Aids / Guides OAI-PMH Harvesting
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“One standard to rule them all”
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“One standard to rule them all”
METS Wrapper
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“One standard to rule them all”
METS Wrapper
DC MODS
Additional custom metadata
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“One standard to rule them all”
METS Wrapper
Dublin Core
Additional custom metadata
dLOC Training (7/29/2013) Gainesville, FL
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“One standard to rule them all”
METS Wrapper
MODS
Additional custom metadata
dLOC Training (7/29/2013) Gainesville, FL
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“One standard to rule them all”
METS Wrapper
MODS
Additional custom metadata
VRA Core Darwin Core
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“One standard to rule them all”
METS
MODS
SobekCM
Archival
Service
Greenstone
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“One standard to rule them all”
METS
MODS
SobekCM
Archival
Service
Fedora,ContentDM, etc…
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Standards Comparison
Link to external comparison
http://digital.uflib.ufl.edu/development/standards_comparison.pdf
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Lessons / Standards Conclusions Try not to tie your metadata to your system
Archival vs. Service
Don’t be afraid of extending for your own needs, but continue to follow the standards
Don’t cripple your metadata / Prepare for the most information you would wantMETS / MODS v. simple Dublin Core
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Tools
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Metadata Tools Library of Congress site of METS utilities
http://www.loc.gov/standards/mets/mets-tools.html
SobekCM METS Editor (UF)http://ufdc.ufl.edu/metseditor
MarcEdit Tool http://people.oregonstate.edu/~reeset/marcedit/html/index.php
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Review of Topics What is metadata?
What is your digital resource?
Standards
Standards Comparison
Tools
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Questions?
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