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Antoine Isaac
NISO Bibliographic Roadmap Meeting
Baltimore, April 16, 2013
Europeana.eu, Europe’s cultural heritage portal
Audiovisual
collections
National
Aggregators
Regional
Aggregators
Archives
Thematic
collections
Libraries
26M objects from 2,200 European galleries, museums, archives and libraries
What types of objects does Europeana gives access to?
Text Image Video Sound 3D
From a flat interoperability format
Mandatory:
dc:title or dc:description
One of dc:coverage, dc:subject, dc:type
dcterms:spatial
europeana:type with value of TEXT, IMAGE,
VIDEO, SOUND or 3D
dc:language for objects with edm:type value
of TEXT.
europeana:rights with controlled values
(Public Domain, CC-BY, etc)
europeana:isShownAt or
europeana:isShownBy
europeana:dataProvider
europeana:provider
Others:
dc:contributor, dc:creator, dc:date, dc:format,
dc:identifier, dc:language, dc:publisher,
dc:relation, dc:source, dcterms:alternative,
dcterms:extent, dcterms:temporal,
dcterms:medium, dcterms:created,
dcterms:provenance, dcterms:issued,
dcterms:conformsTo, dcterms:hasFormat,
dcterms:isFormatOf, dcterms:hasVersion,
dcterms:isVersionOf, dcterms:hasPart,
dcterms:isPartOf, dcterms:isReferencedBy,
dcterms:references, dcterms:isReplacedBy,
dcterms:replaces dcterms:isRequiredBy,
dcterms:requires dcterms:tableOfContents
europeana:object
To a more complex data model - EDM
Properties for skos:Concept http://www.mimo-db.eu/InstrumentsKeywords/4378
EDM properties Corresponding values in the original data
skos:PrefLabel xml:lang="en" Buccin
Properties for skos:Concept http://www.mimo-db.eu/HornbostelAndSachs/356
EDM properties Corresponding values in the original data
skos:PrefLabel xml:lang="en" 423.22 Labrosones with slides
Properties for edm:Place http://sws.geonames.org/3017382/
EDM properties Corresponding values in the original data
skos:PrefLabel xml:lang="en" France
http://pro.europeana.eu/edm-documentation
Better accomodate domain practices
Museums , e.g. ATHENA aggregator
CRM – LIDO
Archives – e.g. APEnet
EAD
Libraries – e.g. The European Library
MARC
Workshops were organized with experts during EDM design
Running « data watch » effort with partner projects, task forces
Keep in touch with friends
Re-use of existing standards
Coordinate model development with other projects
Domain-specific projects (CARARE – archaeology)
Similar initiatives to Europeana (DPLA)
Having a data model that is in principle flexible and re-uses a lot
of stuff helps
Easy vs. hard requirements for EDM
1. Distinguish the real object from its digital representation
2. Distinguish the object from its metadata record
3. Allow multiple records for same object
containing potentially contradictory statements about an object
1. Support for objects that are composed of other objects
2. Be compatible with different levels of description
Generic/interoperable vs. specific/domain-centered
1. Flexible support for describing contextual resources, including concepts
2. Re-use and extend elements from existing standards
Main obstacle is maybe lack of agreed practice
Challenge #1: getting good data, still!
Providers contributing richer and interoperable data in EDM
Enrichment
Europeana and third-parties?
Validation (open world) and quality measures
Versioning and persistence of living Europeana data
Challenge #2: interoperability, still!
Data in
• Mapping EDM to what Europeana providers want or can use
• Sharing patterns
Data out
• Identifying data consumer needs
• Different channels with their own flavors / levels of complexity
E.g. Schema.org
Challenge #3: opening data, still!
The Europeana network is doing very good
 A licensing framework for metadata and content
 Pushing openness across the board
There will always be interesting corner-cases
 Some institutions regard metadata as content
 User-generated data (annotations) could raise issues
Challenge #4: measuring value
An old friend, too
Many challenges are old foes, in fact
Cf. W3C Library Linked Data report
http://www.w3.org/2005/Incubator/lld/XGR-lld/
Thank you

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Europeana @ NISO Bibliographic Roadmap Meeting

  • 1. Antoine Isaac NISO Bibliographic Roadmap Meeting Baltimore, April 16, 2013
  • 2. Europeana.eu, Europe’s cultural heritage portal Audiovisual collections National Aggregators Regional Aggregators Archives Thematic collections Libraries 26M objects from 2,200 European galleries, museums, archives and libraries
  • 3.
  • 4. What types of objects does Europeana gives access to? Text Image Video Sound 3D
  • 5. From a flat interoperability format Mandatory: dc:title or dc:description One of dc:coverage, dc:subject, dc:type dcterms:spatial europeana:type with value of TEXT, IMAGE, VIDEO, SOUND or 3D dc:language for objects with edm:type value of TEXT. europeana:rights with controlled values (Public Domain, CC-BY, etc) europeana:isShownAt or europeana:isShownBy europeana:dataProvider europeana:provider Others: dc:contributor, dc:creator, dc:date, dc:format, dc:identifier, dc:language, dc:publisher, dc:relation, dc:source, dcterms:alternative, dcterms:extent, dcterms:temporal, dcterms:medium, dcterms:created, dcterms:provenance, dcterms:issued, dcterms:conformsTo, dcterms:hasFormat, dcterms:isFormatOf, dcterms:hasVersion, dcterms:isVersionOf, dcterms:hasPart, dcterms:isPartOf, dcterms:isReferencedBy, dcterms:references, dcterms:isReplacedBy, dcterms:replaces dcterms:isRequiredBy, dcterms:requires dcterms:tableOfContents europeana:object
  • 6. To a more complex data model - EDM Properties for skos:Concept http://www.mimo-db.eu/InstrumentsKeywords/4378 EDM properties Corresponding values in the original data skos:PrefLabel xml:lang="en" Buccin Properties for skos:Concept http://www.mimo-db.eu/HornbostelAndSachs/356 EDM properties Corresponding values in the original data skos:PrefLabel xml:lang="en" 423.22 Labrosones with slides Properties for edm:Place http://sws.geonames.org/3017382/ EDM properties Corresponding values in the original data skos:PrefLabel xml:lang="en" France http://pro.europeana.eu/edm-documentation
  • 7. Better accomodate domain practices Museums , e.g. ATHENA aggregator CRM – LIDO Archives – e.g. APEnet EAD Libraries – e.g. The European Library MARC Workshops were organized with experts during EDM design Running « data watch » effort with partner projects, task forces
  • 8. Keep in touch with friends Re-use of existing standards Coordinate model development with other projects Domain-specific projects (CARARE – archaeology) Similar initiatives to Europeana (DPLA) Having a data model that is in principle flexible and re-uses a lot of stuff helps
  • 9. Easy vs. hard requirements for EDM 1. Distinguish the real object from its digital representation 2. Distinguish the object from its metadata record 3. Allow multiple records for same object containing potentially contradictory statements about an object 1. Support for objects that are composed of other objects 2. Be compatible with different levels of description Generic/interoperable vs. specific/domain-centered 1. Flexible support for describing contextual resources, including concepts 2. Re-use and extend elements from existing standards Main obstacle is maybe lack of agreed practice
  • 10. Challenge #1: getting good data, still! Providers contributing richer and interoperable data in EDM Enrichment Europeana and third-parties? Validation (open world) and quality measures Versioning and persistence of living Europeana data
  • 11. Challenge #2: interoperability, still! Data in • Mapping EDM to what Europeana providers want or can use • Sharing patterns Data out • Identifying data consumer needs • Different channels with their own flavors / levels of complexity E.g. Schema.org
  • 12. Challenge #3: opening data, still! The Europeana network is doing very good  A licensing framework for metadata and content  Pushing openness across the board There will always be interesting corner-cases  Some institutions regard metadata as content  User-generated data (annotations) could raise issues
  • 13. Challenge #4: measuring value An old friend, too
  • 14. Many challenges are old foes, in fact Cf. W3C Library Linked Data report http://www.w3.org/2005/Incubator/lld/XGR-lld/