A portrait of Europeana as a Linked Open Data case
-
Upload
antoine-isaac -
Category
Technology
-
view
864 -
download
2
description
Transcript of A portrait of Europeana as a Linked Open Data case
![Page 1: A portrait of Europeana as a Linked Open Data case](https://reader033.fdocuments.net/reader033/viewer/2022051818/54bc9d154a795995528b468f/html5/thumbnails/1.jpg)
Europeana as a Linked Open Data case (in progress)
Antoine Isaac
ISKO UK Seminar “Making Metadata Work”
London, June 23, 2014
![Page 2: A portrait of Europeana as a Linked Open Data case](https://reader033.fdocuments.net/reader033/viewer/2022051818/54bc9d154a795995528b468f/html5/thumbnails/2.jpg)
Europe’s platform to access cultural heritage
Currently33M objects
![Page 3: A portrait of Europeana as a Linked Open Data case](https://reader033.fdocuments.net/reader033/viewer/2022051818/54bc9d154a795995528b468f/html5/thumbnails/3.jpg)
Built on descriptive metadatafrom a broad, heterogeneous network
Audiovisual collections
National Aggregators
Regional Aggregators
Archives
Thematic collections
Libraries
Musées Lausannois
Culture.frThe European Library
APEX
European Film Gateway Europeana Fashion
2,300 galleries, museums, archives and libraries
![Page 4: A portrait of Europeana as a Linked Open Data case](https://reader033.fdocuments.net/reader033/viewer/2022051818/54bc9d154a795995528b468f/html5/thumbnails/4.jpg)
What Europeana gets (and makes available)
Descriptive metadata
Link to digital objects online
![Page 5: A portrait of Europeana as a Linked Open Data case](https://reader033.fdocuments.net/reader033/viewer/2022051818/54bc9d154a795995528b468f/html5/thumbnails/5.jpg)
A distribution channel
![Page 6: A portrait of Europeana as a Linked Open Data case](https://reader033.fdocuments.net/reader033/viewer/2022051818/54bc9d154a795995528b468f/html5/thumbnails/6.jpg)
Linked Open Data?
http://vimeo.com/36752317
![Page 7: A portrait of Europeana as a Linked Open Data case](https://reader033.fdocuments.net/reader033/viewer/2022051818/54bc9d154a795995528b468f/html5/thumbnails/7.jpg)
Realizing Linked Data bits by bits
Incremental progress on Europeana’s various facets
Data ingestion
Data enrichment
Front-end services: search, display
Data publication
![Page 8: A portrait of Europeana as a Linked Open Data case](https://reader033.fdocuments.net/reader033/viewer/2022051818/54bc9d154a795995528b468f/html5/thumbnails/8.jpg)
Making metadata work better
Creating a new Europeana Data Model: EDM
http://pro.europeana.eu/edm-documentation
![Page 9: A portrait of Europeana as a Linked Open Data case](https://reader033.fdocuments.net/reader033/viewer/2022051818/54bc9d154a795995528b468f/html5/thumbnails/9.jpg)
Prior to EDM: flat metadata records
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:type, europeana:dataProvider, europeana:provider, europeana:isShownAt, europeana:isShownBy, europeana:object, europeana:rights
No links between objects and persons, places…
Mixing data on real object and digital content
Causing a lot of mapping quality problems
![Page 10: A portrait of Europeana as a Linked Open Data case](https://reader033.fdocuments.net/reader033/viewer/2022051818/54bc9d154a795995528b468f/html5/thumbnails/10.jpg)
EDM: an example
http://europeana.eu/portal/record/09102/_CM_0161930.html
![Page 11: A portrait of Europeana as a Linked Open Data case](https://reader033.fdocuments.net/reader033/viewer/2022051818/54bc9d154a795995528b468f/html5/thumbnails/11.jpg)
More granular metadata
![Page 12: A portrait of Europeana as a Linked Open Data case](https://reader033.fdocuments.net/reader033/viewer/2022051818/54bc9d154a795995528b468f/html5/thumbnails/12.jpg)
Contextual Resources – Places
![Page 13: A portrait of Europeana as a Linked Open Data case](https://reader033.fdocuments.net/reader033/viewer/2022051818/54bc9d154a795995528b468f/html5/thumbnails/13.jpg)
Collaborative, soft standardization
Cross-community development, involving library, archive and museum experts and academic partners
Data model that re-uses several existing models
Semantic Web paradigm just allows mixing them!
![Page 14: A portrait of Europeana as a Linked Open Data case](https://reader033.fdocuments.net/reader033/viewer/2022051818/54bc9d154a795995528b468f/html5/thumbnails/14.jpg)
(Future work:) Different semantic grains
Adopts Semantic Web principle of specializing classes and properties
Enables extensions, “applications profiles”, based on needs and best practices from specific sectors or domains
![Page 15: A portrait of Europeana as a Linked Open Data case](https://reader033.fdocuments.net/reader033/viewer/2022051818/54bc9d154a795995528b468f/html5/thumbnails/15.jpg)
Ready for metadata enrichment
Europeana links objects to third-party sources
• GEMET, GeoNames, DBpedia
Europeana providers send richer metadata
![Page 16: A portrait of Europeana as a Linked Open Data case](https://reader033.fdocuments.net/reader033/viewer/2022051818/54bc9d154a795995528b468f/html5/thumbnails/16.jpg)
Harvesting thesauri as linked data
![Page 17: A portrait of Europeana as a Linked Open Data case](https://reader033.fdocuments.net/reader033/viewer/2022051818/54bc9d154a795995528b468f/html5/thumbnails/17.jpg)
Contextual resources – multilingual & semantic linked data for Concepts
<skos:Concept rdf:about="http://www.mimo-db.eu/InstrumentsKeywords/2251"> <skos:prefLabel xml:lang="">Harpsichord</skos:prefLabel> <skos:prefLabel xml:lang="de">Cembalo</skos:prefLabel> <skos:prefLabel xml:lang="sv">Cembalo</skos:prefLabel> <skos:prefLabel xml:lang="fr">Clavecin</skos:prefLabel> <skos:prefLabel xml:lang="it">Clavicembalo</skos:prefLabel> <skos:prefLabel xml:lang="en">Harpsichord</skos:prefLabel> <skos:prefLabel xml:lang="nl">Klavecimbel</skos:prefLabel> <skos:broader> <skos:Concept rdf:about="http://www.mimo-db.eu/InstrumentsKeywords/2239"/> </skos:broader></skos:Concept>
![Page 18: A portrait of Europeana as a Linked Open Data case](https://reader033.fdocuments.net/reader033/viewer/2022051818/54bc9d154a795995528b468f/html5/thumbnails/18.jpg)
Contextual resource benefits - Work in progress
Allows to present users with richer context
Boosts multilingual search
And multilingual display
![Page 19: A portrait of Europeana as a Linked Open Data case](https://reader033.fdocuments.net/reader033/viewer/2022051818/54bc9d154a795995528b468f/html5/thumbnails/19.jpg)
Linked-data compatible data re-use channels
Search API
Results in JSON, JSON-LD, RDF/XML
Semantic mark-up on portal
schema.org, OpenGraph
Linked Open Data prototype
Content negotiation, RDF dumps, SPARQL endpoint
![Page 20: A portrait of Europeana as a Linked Open Data case](https://reader033.fdocuments.net/reader033/viewer/2022051818/54bc9d154a795995528b468f/html5/thumbnails/20.jpg)
Content - digital objects on the site of the provider
Metadata - descriptive object information
Different options
The legal side of data
CC
Europeana and partners provide open metadata
![Page 21: A portrait of Europeana as a Linked Open Data case](https://reader033.fdocuments.net/reader033/viewer/2022051818/54bc9d154a795995528b468f/html5/thumbnails/21.jpg)
Technological advocacy hand in hand with legal advocacy
http://vimeo.com/36752317
![Page 22: A portrait of Europeana as a Linked Open Data case](https://reader033.fdocuments.net/reader033/viewer/2022051818/54bc9d154a795995528b468f/html5/thumbnails/22.jpg)
<slight digression>
![Page 23: A portrait of Europeana as a Linked Open Data case](https://reader033.fdocuments.net/reader033/viewer/2022051818/54bc9d154a795995528b468f/html5/thumbnails/23.jpg)
On practical aspects of enhancing semantic interoperability using SKOS and KOS alignment
Antoine ISAAC
KRR lab, Vrije Universiteit Amsterdam
National Library of the Netherlands
ISKO UK Meeting, July 21 2008, London
![Page 24: A portrait of Europeana as a Linked Open Data case](https://reader033.fdocuments.net/reader033/viewer/2022051818/54bc9d154a795995528b468f/html5/thumbnails/24.jpg)
Enhancing semantic interoperability using SKOS
Conclusion
• Representing KOSs using SKOS• Main features
• Practical issues
• Demo
• SKOS and semantic alignment of KOSs
Despite some issues, SKOS provides a crucial contribution to enhance interoperability of KOSs
![Page 25: A portrait of Europeana as a Linked Open Data case](https://reader033.fdocuments.net/reader033/viewer/2022051818/54bc9d154a795995528b468f/html5/thumbnails/25.jpg)
SKOS and Linked Data
Antoine Isaac
ISKO, London, Sept. 14th 2010
![Page 26: A portrait of Europeana as a Linked Open Data case](https://reader033.fdocuments.net/reader033/viewer/2022051818/54bc9d154a795995528b468f/html5/thumbnails/26.jpg)
Conclusion
Publication and linking of linked KOS data is still work in progress, but
• We are now in position of realizing the issues and working towards solving them
• We can start building applications that make use of the wealth of data already available or yet to comeMany KO resources to re-use and link to
![Page 27: A portrait of Europeana as a Linked Open Data case](https://reader033.fdocuments.net/reader033/viewer/2022051818/54bc9d154a795995528b468f/html5/thumbnails/27.jpg)
Now: Getty Art and Architecture Thesaurus in SKOS Linked Open Data!
http://www.getty.edu/research/tools/vocabularies/lod/
![Page 28: A portrait of Europeana as a Linked Open Data case](https://reader033.fdocuments.net/reader033/viewer/2022051818/54bc9d154a795995528b468f/html5/thumbnails/28.jpg)
Now: Getty AAT in Europeana
http://europeana.eu/portal/record/2023004/24062A23_priref_229.html
![Page 29: A portrait of Europeana as a Linked Open Data case](https://reader033.fdocuments.net/reader033/viewer/2022051818/54bc9d154a795995528b468f/html5/thumbnails/29.jpg)
Now: Getty AAT in Europeana
http://europeana.eu/portal/record/2023004/24062A23_priref_229.html
![Page 30: A portrait of Europeana as a Linked Open Data case](https://reader033.fdocuments.net/reader033/viewer/2022051818/54bc9d154a795995528b468f/html5/thumbnails/30.jpg)
</slight digression>
![Page 31: A portrait of Europeana as a Linked Open Data case](https://reader033.fdocuments.net/reader033/viewer/2022051818/54bc9d154a795995528b468f/html5/thumbnails/31.jpg)
Still many R&D efforts
EuropeanaTechcommunity
pro.europeana.eu/europeana-tech
![Page 32: A portrait of Europeana as a Linked Open Data case](https://reader033.fdocuments.net/reader033/viewer/2022051818/54bc9d154a795995528b468f/html5/thumbnails/32.jpg)
Innovation - Searching
http://eculture.cs.vu.nl/europeana/
![Page 33: A portrait of Europeana as a Linked Open Data case](https://reader033.fdocuments.net/reader033/viewer/2022051818/54bc9d154a795995528b468f/html5/thumbnails/33.jpg)
Innovation - Annotation
Pundit @ DM2E project http://dm2e.eu
![Page 34: A portrait of Europeana as a Linked Open Data case](https://reader033.fdocuments.net/reader033/viewer/2022051818/54bc9d154a795995528b468f/html5/thumbnails/34.jpg)
Conclusions
Linked data presents big opportunities and challenges for Europeana and its partners
Not implementing the full technical stack at once already bring benefits
![Page 36: A portrait of Europeana as a Linked Open Data case](https://reader033.fdocuments.net/reader033/viewer/2022051818/54bc9d154a795995528b468f/html5/thumbnails/36.jpg)
Useful links
Europeana portal europeana.eu
EuropeanaTech community pro.europeana.eu/europeana-tech
Europeana Data Model documentation pro.europeana.eu/edm-documentation
Europeana Twitter @EuropeanaEU
EuropeanaTech Twitter @EuropeanaTech