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Publishing metadata provenance

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Slides for a 5 minute lightning talk at ELAG2019

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Publishing metadata provenance

  1. 1. | ELAG 2019 Lightning Talk | 10 May 20191 Publishing Metadata Provenance Jana Hentschke | German National Library
  2. 2. Our Problem – Metadata from multiple sources – Attribution needed - also in data exchange – Example: Users of our metadata should be able to recognise if a GND Subject Heading was assigned to a publication by a cataloguer or by an automated process | ELAG 2019 Lightning Talk | 10 May 20192
  3. 3. Solutions – MARC Bibliographic has field 883 (… digestible?) – For RDF data we came up with - PROV Ontology (PROV-O) - Design pattern: Qualified Relations - URIs and descriptions for new entities: prov:Activity, prov:Plan, prov:SoftwareAgent, … | ELAG 2019 Lightning Talk | 10 May 20193
  4. 4. | ELAG 2019 Lightning Talk | 10 May 20194
  5. 5. | ELAG 2019 Lightning Talk | 10 May 20195 dnb:1050604636 dnbt:hasQualifiedSubject [ agrelon:metadataConfidence "0.62493"^^xsd:float ; dnbt:qualifiesSubject gnd:4530909-7 ; a dnbt:QualifiedSubject, prov:Entity ; prov:generatedAtTime "2018-06-13"^^xsd:date ; prov:wasGeneratedBy dnb-prov-a:aep-gnd:2018-06-13 ] . dnb-prov-a:aep-gnd:2018-06-13 a prov:Activity, dnbt:AutomatedActivity ; prov:qualifiedAssociation [ prov:hadPlan dnb-prov-p:aep-gnd ; prov:agent [ a prov:Agent ] ] ; prov:startedAtTime "2018-06-13"^^xsd:date ; prov:endedAtTime "2018-06-13"^^xsd:date . dnb-prov-p:aep-gnd rdfs:label "Machine assignment of subject headings"@en .
  6. 6. What‘s on offer – Data dumps at https://data.dnb.de/opendata/ („dnb-all_ldsprov…“ in .rdf, .ttl, .jsonld, .nt, .hdt) – Details + schedule at https://wiki.dnb.de/x/46G5C (German) - Next: Provenance information also on URI resolving of individual entities – Temporary solution for provenance of outgoing links in GND RDF: … a table on a wiki page: https://wiki.dnb.de/x/TZa5C | ELAG 2019 Lightning Talk | 10 May 20196
  7. 7. Feedback + Exchange appreciated! j.hentschke@dnb.de OR Discussion on public mailing list lds@lists.dnb.de | ELAG 2019 Lightning Talk | 10 May 20197
  8. 8. Prefixes @prefix dnbt: <https://d-nb.info/standards/elementset/dnb#> . @prefix dnb-prov-a: <https://d-nb.info/provenance/activity/> . @prefix dnb-prov-p: <https://d-nb.info/provenance/plan#> . @prefix dnb-prov-s: <https://d-nb.info/provenance/software#> . @prefix isil: <https://ld.zdb-services.de/resource/organisations/> . @prefix prov: <http://www.w3.org/ns/prov#> . @prefix agrelon: <https://d-nb.info/standards/elementset/agrelon#> . @prefix xsd: <http://www.w3.org/2001/XMLSchema#> . @prefix dnb: <https:d-nb.info/> . @prefix gnd: <https:d-nb.info/gnd/> . @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . | ELAG 2019 Lightning Talk | 10 May 20198

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