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Data quality in Europeana

Marjolein de Vos | National workshop Lithuania

25 April 2018

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Europeana Collections

Data quality in Europeana

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  • Legacy data that is not compliant anymore to EDM minimum standards
  • Images that are too small (less than 400 px)
  • Broken links
  • Poor descriptive metadata
    • Unique titles and meaningful descriptions

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Philadelphia College of Pharmacy and Science: students looking through microscopes in a laboratory�Ca. 1933, The Wellcome Library

United Kingdom, CC BY

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Issues

Data quality in Europeana

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Metadata quality - broken links

Data quality in Europeana

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Metadata quality - meaningful metadata

Data quality in Europeana

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  • Dataset analysis

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  • Data Quality Planning

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  • Advising partners on data quality
    • Linking to external vocabularies
    • Europeana Semantic Enrichment

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Woman Reading a Letter | Johannes Vermeer�1663, Rijksmuseum

Netherlands, Public Domain

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Cultural Heritage Data for Research: A Europeana Research Panel

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Actions

Data quality in Europeana

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  • Semantic Enrichment of the source data�
  • Fetching information from external controlled vocabularies when links are provided

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Mummy mask

Medelhavsmuseet, Sweden

CC BY

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What does Europeana do?

Data quality in Europeana

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  • Named Entity Recognition during the enrichment process complements the source data with information about concepts and agents from DBpedia�
  • Allows for automatic translation terms when entities have multiple language labels�
  • Connecting artworks from institutions all over Europe

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Europeana Essentials

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Enrichment of concepts and agents

Data quality in Europeana

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CC BY-SA

Building a framework for semantic cultural heritage data

Working with Europeana: metadata matters

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Europeana

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Data quality in Europeana

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If a name of a place is matched to the Geonames database, coordinates and a mini-map are added to the data

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Europeana Essentials

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Enriching location information

Data quality in Europeana

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  • Provide data in EDM - opens up possibilities for richer & linked data
  • More meaningful metadata
  • Prepare data so that it can be recognized by the Europeana Semantic Enrichment process
  • Provide links to dereferenceable LOD vocabularies (f.e. Getty AAT)
  • Use of language attributes for literal values
  • More spatial information
  • Normalisation of dates

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Paar gouden 'wisselbellen', Noord-Beveland, 1880-1890

1880/1890, Nederlands Openluchtmuseum

Netherlands, CC BY

What can you do?

Data quality in Europeana

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  • Data providers can also directly provide links to external controlled vocabularies�
  • More accurate than automatic enrichment�
  • Provides also links to related, broader and narrower concepts�
  • Examples: Getty AAT, Iconclass, Geonames, VIAF, Library of Congress WWI terms, UNESCO Thesaurus�

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Europeana Essentials

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Providing links to vocabularies

Data quality in Europeana

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Miniature from BL YT 21, f. 11 | Guillaume de Lorris and Jean de Meun

c. 1380. The British Library | United Kingdom, Public Domain

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<dc:type @rdf:resource=‘http://vocab.getty.edu/aat/300028702’>

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Europeana Essentials

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Providing links to vocabularies

Data quality in Europeana

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Europeana Essentials

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Providing links to vocabularies

Data quality in Europeana

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International Image Interoperability Framework

The Role of Libraries in Improving Access to Global Heritage

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Netherlands, Public Domain

1615, Rijksmuseum

Anonymous

Elegant Party on a Terrace

of a Venetian-inspired Setting

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Benefits on Europeana

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Benefits on Europeana

Data Quality & Benefits in Europeana

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Data quality in Europeana

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  • Increased metadata quality improves the discoverability of objects.
  • Increased discoverability of objects leads to increase of users finding the object, and increased reuse of the material (provided the rights statements allow this):
    • Europeana Exhibitions
    • Use in third party apps
    • Use in Europeana Research, Education and Creative Industries
    • Social media
    • Use on Wikimedia
    • Etc.

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Lithuanian Girl with Palm Sunday Fronds

Kanutas Ruseckas

1844, Lithuanian Art Museum, Public Domain

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Sharing digitised collections, Glasgow, January 2017 �#allezculture�CC BY-SA

Data Quality & Benefits in Europeana

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Data quality in Europeana

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Datasets for reuse on Pro

Data Quality & Benefits in Europeana

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Data quality in Europeana

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Exhibitions

Data Quality & Benefits in Europeana

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Data quality in Europeana

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25 April 2018