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Stable
Identifiers
and then

Quickly Beyond
(towards
Linked Open Data)

Gregor
Hagedorn
© U.Kils, CC BY-SA 3.0; from Wikimedia Commons
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All slides published under Creative Commons BY-SA 3.0 (unless marked otherwise)
Identifiers
Classical Identifiers
Specimen
Collection

Botanical
Nomenclatural
Classical Identifiers
Specimen
Collection

Botanical
Nomenclatural
Literatur

Taxon =
Abies alba Mill.

Taxon =
Abies alba Mill.
Newer Identifiers
Specimen
Collection
Database

Botanical
Nomenclatural
Database

Taxon =
6e8bc430-9c3a11d9-96690800200c9a66

Taxon =
6e8bc430-9c3a11d9-96690800200c9a66
Newer Identifiers
Specimen
Collection
Database

Botanical
Nomenclatural
Database

Taxon = urn:uuid:
6e8bc430-9c3a11d9-96690800200c9a66

Taxon = urn:uuid:
6e8bc430-9c3a11d9-96690800200c9a66
If
this
found:

Not actionable ___________
Specimen
Collection
Database

Botanical
Nomenclatural
Database

Taxon = urn:uuid:
6e8bc430-9c3a11d9-96690800200c9a66

Taxon = urn:uuid:
6e8bc430-9c3a11d9-96690800200c9a66
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
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
This is already
useful!
But „linking“
(dereferencing)
would also be
useful
Solution 1:
LSIDs
= building a proprietary
Biodiversity-derefencing
service
Solution 2:
Semantic Web /
Linked Open Data
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
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
Semantic Web
uses
http URIs
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)
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
Respect your
resources.
Be selective.
Stability is a
management
decision!
Beyond:
Linked Open Data
Linked Open Data Cloud (LOD 2011)
Linked Open Data Cloud (LOD 2011)
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)
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
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
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!)
Strategy:
1. Stable Identifiers Now
(Semantic Web compatible,
http-dereferenceable)

2. Semantic Web Later ...
LSID, ARK, DOI,
etc.?
DOI as an
example
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
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
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
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
Take home message:

Implementing stable
SemWeb/LOD-compliant
URI identifiers NOW is not
a waste of resources should
we all decide to do DOIs!
Hagedorn 2013: Beyond Darwin Core - Stable Identifiers and then quickly beyond towards linked open data (TDWG 2013, Florence, Italy)

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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)
  • 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
  • 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)
  • 24.
  • 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 ...
  • 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!

Editor's Notes

  1. Das sind globale Tasks!
  2. Das sind globale Tasks!
  3. Das sind globale Tasks!
  4. Das sind globale Tasks!
  5. Das sind globale Tasks!
  6. Wie soll das Digitale Naturkundemuseum des 21. Jahrhunderts sein?
  7. EU-BON canand will changethisHowever, thisdoesrequirepersistencemanagementas well asopenessto happen
  8. 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!)
  9. LSIDs weremeantto do this.
  10. Das sind globale Tasks!
  11. Wie soll das Digitale Naturkundemuseum des 21. Jahrhunderts sein?
  12. LSIDs weremeantto do this.