Hagedorn 2013: Beyond Darwin Core - Stable Identifiers and then quickly beyond towards linked open data (TDWG 2013, Florence, Italy)
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A brief discussion where to use Linked Open Data http-identifiers and where DOIs are more appropriate. And beyond: what do we really want? Where can we get more, if we use resolvable identifiers? What distinguishes a web from a database?
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Hagedorn 2013: Beyond Darwin Core - Stable Identifiers and then quickly beyond towards linked open data (TDWG 2013, Florence, Italy)
- 1. Stable Identifiers and then Quickly Beyond (towards Linked Open Data) Gregor Hagedorn © U.Kils, CC BY-SA 3.0; from Wikimedia Commons
- 2. Work supported by All slides published under Creative Commons BY-SA 3.0 (unless marked otherwise)
- 3. Identifiers
- 5. Classical Identifiers Specimen Collection Botanical Nomenclatural Literatur Taxon = Abies alba Mill. Taxon = Abies alba Mill.
- 6. Newer Identifiers Specimen Collection Database Botanical Nomenclatural Database Taxon = 6e8bc430-9c3a11d9-96690800200c9a66 Taxon = 6e8bc430-9c3a11d9-96690800200c9a66
- 7. Newer Identifiers Specimen Collection Database Botanical Nomenclatural Database Taxon = urn:uuid: 6e8bc430-9c3a11d9-96690800200c9a66 Taxon = urn:uuid: 6e8bc430-9c3a11d9-96690800200c9a66
- 8. If this found: Not actionable ___________ Specimen Collection Database Botanical Nomenclatural Database Taxon = urn:uuid: 6e8bc430-9c3a11d9-96690800200c9a66 Taxon = urn:uuid: 6e8bc430-9c3a11d9-96690800200c9a66
- 9. If this found: Not actionable ___________ And Specimen Collection Database Taxon = urn:uuid: 6e8bc430-9c3a11d9-96690800200c9a66 this found: Botanical Nomenclatural Database Taxon = urn:uuid: 6e8bc430-9c3a11d9-96690800200c9a66
- 10. If this found: Not actionable ___________ And Specimen Collection Database Taxon = urn:uuid: 6e8bc430-9c3a11d9-96690800200c9a66 this found: Then relation detected: Botanical Nomenclatural Database Taxon = urn:uuid: 6e8bc430-9c3a11d9-96690800200c9a66
- 12. But „linking“ (dereferencing) would also be useful
- 13. Solution 1: LSIDs = building a proprietary Biodiversity-derefencing service
- 14. Solution 2: Semantic Web / Linked Open Data
- 15. If this found: Semantic Web Specimen Collection Database Taxon = http:// id.pesi.org/tax/6 e8bc430-9c3a11d9-96690800200c9a66 Then relation derefenced Botanical Nomenclatural Database @ http:// id.pesi.org/tax/6 e8bc430-9c3a11d9-96690800200c9a66
- 16. Semantic Web Specimen Collection Database Taxon = http:// id.pesi.org/tax/6 e8bc430-9c3a11d9-96690800200c9a66 Botanical Nomenclatural Database Micro@ http:// citation id.pesi.org/tax/6 e8bc430-9c3aof data! 11d9-96690800200c9a66
- 18. The Simple Rules 1. Use URIs as names for things 2. Use HTTP URIs so that people can look up those names. 3. When someone looks up a URI, provide useful information, using the standards (RDF*, SPARQL) 4. Include links to other URIs. so that they can discover more things. (Tim Berners-Lee , 2006, http://www.w3.org/DesignIssues/LinkedData.html)
- 19. Stable URI Identifier Patterns? 1. Anything goes!!! 2. It is just more or less difficult to keep stable 3. Google for: “Best practices for stable URIs” (pro-iBiosphere paper) – http://objects. myorg.edu/id/1C4EDC178 AD79DD7F1A5AB856E8C5BCA – http://concepts.myorg.edu/id/123 – http://id.plazi.org/specimen/123
- 23. Linked Open Data Cloud (LOD 2011)
- 25. Linked Open Data Cloud (LOD 2011)
- 26. Why Linked Open Data? – Distributed Web Model • using w3c standards (xml, rdf, owl) • Machine usable data (automatic analysis & reasoning) • Physical object, RDF, HTML linked (content negotiation)
- 27. Why Linked Open Data? – Distributed Web Model • using w3c standards (xml, rdf, owl) • Machine usable data (automatic analysis & reasoning) • Physical object, RDF, HTML linked (content negotiation) – Anyone can say anything about anything, anywhere • Usages that the data providers never anticipated • Third parties connect concepts between data sets • Particular needs contribute to global achievement
- 28. Why Linked Open Data? – Distributed Web Model • using w3c standards (xml, rdf, owl) • Machine usable data (automatic analysis & reasoning) • Physical object, RDF, HTML linked (content negotiation) – Anyone can say anything about anything, anywhere • Usages that the data providers never anticipated • Third parties connect concepts between data sets • Particular needs contribute to global achievement – Flexible to adapt to almost any form of data – Information managed at source plus annotated globally
- 29. Why Linked Open Data? – Distributed Web Model • using w3c standards (xml, rdf, owl) • Machine usable data (automatic analysis & reasoning) • Physical object, RDF, HTML linked (content negotiation) – Anyone can say anything about anything, anywhere • Usages that the data providers never anticipated • Third parties connect concepts between data sets • Particular needs contribute to global achievement – Flexible to adapt to almost any form of data – Information managed at source plus annotated globally – Queries and other analysis can combine arbitrary sets of data, anywhere and owned by anyone – Common and diverse vocabularies can be used together and related to each other (creativity, science!)
- 30. Strategy: 1. Stable Identifiers Now (Semantic Web compatible, http-dereferenceable) 2. Semantic Web Later ...
- 33. DOI Resolution Provider DOI Resolver Content Data RDF (Meta)data ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss Content Provider Global Stability Mapping Legend: Human use Machine use
- 34. DOI Resolution Provider DOI Resolver Content Data RDF (Meta)data ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss Content Provider Global Stability Mapping HTTP Content Provider Web server redirection Legend: Human use Machine use Content Data/Html ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss Local Stability Mapping RDF Data Web-server-based content negotiation (MIME-type request based) © G. Hagedorn, CC BY 3.0ff
- 35. Community-owned DOI infrastructure: 1. Loads on central redirect (handling all global taxon-related knowledge discovery!) 2. GBIF-DOI is single point of failure when used for Semantic Web (where doi-resolver must be included) Content Data Content Data Content Data RDF (Meta)data RDF (Meta)data RDF (Meta)data Content Provider Content Provider Content Provider Content Data Content Data Content Data RDF (Meta)data RDF (Meta)data RDF (Meta)data Content Provider DOI Resolver Infrastructure ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss 3. Human resources required to manage the huge global list of redirection rules Content Provider Content Provider Content Data Content Data Content Data RDF (Meta)data RDF (Meta)data RDF (Meta)data Content Provider Content Provider Content Provider Content Data Content Data Content Data RDF (Meta)data RDF (Meta)data RDF (Meta)data Content Provider Content Provider Content Provider Content Data Content Data Content Data RDF (Meta)data RDF (Meta)data RDF (Meta)data Content Provider Content Provider Content Provider Content Data Content Data Content Data RDF (Meta)data RDF (Meta)data RDF (Meta)data Content Provider Content Provider Content Provider © G. Hagedorn, CC BY 3.0ff
- 36. DOI Provider DOI Resolver ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss Content Provider Web server redirection Content Data/Html ssssssssss ssssssssss ssssssssss ssssssssss ssssssssss RDF Data © G. Hagedorn, CC BY 3.0ff
- 37. Take home message: Implementing stable SemWeb/LOD-compliant URI identifiers NOW is not a waste of resources should we all decide to do DOIs!
Notas do Editor
- Das sind globale Tasks!
- Das sind globale Tasks!
- Das sind globale Tasks!
- Das sind globale Tasks!
- Das sind globale Tasks!
- Wie soll das Digitale Naturkundemuseum des 21. Jahrhunderts sein?
- EU-BON canand will changethisHowever, thisdoesrequirepersistencemanagementas well asopenessto happen
- Not perfect, but What else do we have today with this capability set?Slide is after a slidebyCory Casanave, President Model Driven Solutions Cory-c (at) ModelDriven (dot) com ISWC 2009(but modified!)
- LSIDs weremeantto do this.
- Das sind globale Tasks!
- Wie soll das Digitale Naturkundemuseum des 21. Jahrhunderts sein?
- LSIDs weremeantto do this.