Rich Data? Poor Data? Depends on...

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A presentation at the workshop "Rich and loonely or poor and popular?" at the Dublin Core conference in Lisbon on September 4th, 2013. The main hypothesis is that when publishing (linked) data, the main criteria should not be richness and poorness, but suitability for purpose, granularity and adherence to agreed-on models.

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Rich Data? Poor Data? Depends on...

  1. 1. | 15 | Rich Data? Poor Data? | September 4, 20131 Rich Data? Poor Data? Depends on… Lars G. Svensson
  2. 2. Libraries and other cultural heritage institutions have high-quality data | 15 | Rich Data? Poor Data? | September 4, 20132
  3. 3. Metadata specialists are convinced that this data could make (web) search better | 15 | Rich Data? Poor Data? | September 4, 20133 There it is! WOW! PhotobyWendtCommons(CCBY):http://www.flickr.com/photos/wendt-library/5190902316/
  4. 4. Linked data is about connecting silos (but those silos are not the problem…) | 15 | Rich Data? Poor Data? | September 4, 20134 FotovonDocSearls(CCBY): http://www.flickr.com/photos/docsearls/5500714140/ DNB OCLCBLBnF
  5. 5. | 15 | Rich Data? Poor Data? | September 4, 20135 … they are just a proxy for another set of silos (the model ones) FotovonDocSearls(CCBY): http://www.flickr.com/photos/docsearls/5500714140/ MARC 21 FRBR Bib- Frame UNI MARC
  6. 6. And that puts the burden on the consumer (making them less prone to use our data) | 15 | Rich Data? Poor Data? | September 4, 20136 LinkingOpenDataclouddiagram,byRichardCyganiakandAnjaJentzsch.http://lod-cloud.net/
  7. 7. We need to talk about models, not only about formats | 15 | Rich Data? Poor Data? | September 4, 20137 PhotobyWonderlane(CCBY):http://www.flickr.com/photos/wonderlane/4632879976/
  8. 8. The model underlying the GND (and thus the GNDO) is entity-based | 15 | Rich Data? Poor Data? | September 4, 20138 • Corporate Body • Conference or Event • Subject Heading • Work • Place or Geographic Name • Family • Person
  9. 9. For bibliographic resources we currently have no model (but a common German AP!) | 15 | Rich Data? Poor Data? | September 4, 20139 <rdf:Description rdf:about="http://d-nb.info/870009036"> <rdf:type rdf:resource="http://purl.org/ontology/bibo/Document" /> <dcterms:medium rdf:resource="http://rdvocab.info/termList/RDACarrierType/1044" <owl:sameAs rdf:resource="http://hub.culturegraph.org/resource/DNB-870009036" <bibo:isbn10>3887456335</bibo:isbn10> <dc:identifier>(OColc)74784457</dc:identifier> <dc:title>Das Handbuch für IBM PC und Kompatible</dc:title> <dcterms:creator rdf:resource="http://d-nb.info/gnd/111166799" /> <rda:placeOfPublication>Düsseldorf</rda:placeOfPublication> <rda:placeOfPublication>Berkeley</rda:placeOfPublication> <rda:placeOfPublication>Paris</rda:placeOfPublication> <dc:publisher>Sybex</dc:publisher> <rda:publicationStatement>Paris : Sybex, 1986</rda:publicationStatement> <isbd:P1053>332 S.</isbd:P1053> <dcterms:subject rdf:resource="http://d-nb.info/gnd/4026436-1" /> <dcterms:issued>1986</dcterms:issued> </rdf:Description>
  10. 10. We can have several models for different use cases or communities (and expressed in different formats/syntaxes) | 15 | Rich Data? Poor Data? | September 4, 201310 Thing (It doesn‘t have to be like this…) Somehow related to * *
  11. 11. OWL/RDF reasoning can take care of semantic granularity only if the models are compatible enough | 15 | Rich Data? Poor Data? | September 4, 201311 http://dossierdoc.typepad.com/.a/6a00d83452993c69e201287698b9ff970c-popup
  12. 12. So is the solution to build another great model? | 15 | Rich Data? Poor Data? | September 4, 201312 PhotobyThangarajKumaravel(CCBY):http://www.flickr.com/photos/kumaravel/8152974246/
  13. 13. We don‘t need one great model, but several small ones (those we can turn) | 15 | Rich Data? Poor Data? | September 4, 201313 PhotobyJohnDrinkwater(CCBYNC-SA):http://www.flickr.com/photos/john-r-d/6537399443/
  14. 14. After all connecting is about the connectors (and we can do it better) | 15 | Rich Data? Poor Data? | September 4, 201314 Photosbyyuankuei(CCBY-NC-ND):http://www.flickr.com/photos/please/184275309/;http://www.flickr.com/photos/please/184276064/; http://www.flickr.com/photos/please/184277156/;http://www.flickr.com/photos/please/184277063/
  15. 15. Don‘t let the cloud obstruct the sun! | 15 | Rich Data? Poor Data? | September 4, 201315 LinkingOpenDataclouddiagram,byRichardCyganiakandAnjaJentzsch.http://lod-cloud.net/

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