europeana and linked cultural heritage data
Post on 12-Sep-2014
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DESCRIPTION
by Antoine Isaac, VU UniversityICTdelta, Rotterdam, the Netherlands, 18 March 2010TRANSCRIPT
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Europeana and linked cultural heritage data
Antoine Isaac Vrije Universiteit Amsterdam / Europeana [email protected]
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?
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Accessing European cultural heritage
Libraries, museums, archives… Dozens of providers, growing fast
Connecting to digital content on providers’ sites Now: 5.9M objects, target for 2010: 10M
Access via a web portal, for the moment
Community-driven
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europeana.eu
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Challenge Access to various objects
Paintings, sculptures, books, videos…
What we can use: metadata
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Building a search engine on top of metadata is difficult Intrinsic quality problems: correctness, coverage
Especially when data is so heterogeneous 100s of formats From flat 5-fields records to 100-nodes XML trees Language issue!
We currently use a simple interoperability format Quick-win showing quickly its limits
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We can better use institutions’ original metadata
Accommodate their different practices Data structures and semantics
Access objects via a semantic layer of vocabularies for subjects, persons, places…
Experimented solution
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Prototype: Europeana Thought Lab
http://europeana.eu/portal/thought-lab.html
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Semantic auto-completion
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Clustering of results
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Baseline: matching concepts' label
Controlled place name from a vocabulary at the Rijskmuseum
Metadata for the object
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A "more specific Egypte"?
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A "more specific Egypte"? Metadata for the object
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A place more specific than the Egypt one
Semantic information on the Giza place in the Rijskmuseum Vocabulary
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Enabling bits & pieces
Exploiting semantic links in CH vocabularies Rijksmuseum thesaurus: Concept “Giza” narrower than concept “Egypte”
Mapping/alignment between CH vocabularies Louvre’s “Égypte” equivalent to Rijksmuseum’s “Egypte”
Enrichment of existing metadata The string “Egypt” in a metadata record indicates the
concept of Egypt defined in Rijksmuseum thesaurus
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Data publication via HTTP Data structured using interoperable formats Links available between different datasets You can create data about resources held by others!
Leading assumptions More open data can be consumed more easily Data exploitation will benefit from interlinked data
Linked open data?
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http://linkeddata.org/
Towards a web of data
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From a movement initiated by W3C & Semantic Web To much wider awareness
Open government initiatives, libraries…
Continuing effort: show benefits of collaborating to a cultural heritage data web
Not only for established cultural heritage institutions!
Encouraging open linked data adoption
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Waisda @ Beeld en Geluid
2.296 players, 340.551 tags http://www.waisda.nl
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The Commons @ Flickr
http://www.flickr.com/commons
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A web of cultural heritage data?
?
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Success factor for Europeana Getting (back) rich data from all players! Both old school institutions & Web2.0 initiatives
A web of cultural heritage data would streamline interchange between all expertise sources Enabling combinations for the benefit of all
Beyond Europeana Creating new forms of access and interaction with cultural material Re-organizing the cultural heritage sector itself?
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Thanks!
Europeana.eu team Web and Media lab @ Vrije Universiteit Amsterdam
http://wiki.cs.vu.nl/web-media
EuropeanaConnect project http://www.europeanaconnect.eu/