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Extending DCAM for Metadata
                    Provenance



                                                           DC-2011
                                               September 22nd 2011
Kai Eckert                                   The Hague, Netherlands
Mannheim University Library
Mannheim, Germany
eckert@bib.uni-mannheim.de

Daniel Garijo
Universidad Politécnica de Madrid
Madrid, Spain
dgarijo@delicias.dia.fi.upm.es
                                             DCMI
Michael Panzer                               Metadata
OCLC Online Computer Library Center, Inc.,
Dublin, Ohio, USA                            Provenance
panzerm@oclc.org                             Task Group
DCMI
                    Metadata Provenance
                    Task Group
●   Members:
        ●   Kai Eckert (Mannheim University Library, Germany)
        ●   Daniel Garijo (Universidad Politécnica de Madrid, Spain)
        ●   Michael Panzer (OCLC, USA)
●   Established: June 2010 (duration: 1 year, or so...)
●   Goal: A Dublin Core conformant way to represent
     metadata provenance.
●   Further Information:
        ●   http://www.dublincore.org/groups/provenance/
        ●   http://wiki.bib.uni-mannheim.de/dc-provenance/
Our motivation
●
    Back in 2009, we wanted Metametadata...
      ●
          ... to add debugging information to metadata
             statements created with crosswalks,
      ●
          ... to add source information to metadata
             statements merged from different sources,
      ●
          ... to add additional information like confidence
             values to automatic indexing results,which is
             missing in ALL bibliographic metadata formats.
●
    Those were the days in Seoul... back in 2009.
Provenance
●
    Today, we talk about provenance.
      ●
          “Provenance of a resource is a record that describes entities and
             processes involved in producing and delivering or otherwise
             influencing that resource.” W3C Provenance Incubator Group


●
    Provenance is everywhere and provenance
     can be described using Dublin Core.

●
    But there are many different ways to
     integrate the provenance information.
http://www.europeana.eu
http://www.europeana.eu
http://www.europeana.eu




       „Data“
       The Mona Lisa       Metadata
                           „The Provenance
                           of Mona Lisa“




Metametadata
„The Provenance
of the Metadata“
„Annotations“




Description Set
UML Class Model

                    DCAM




                  Proposed
                  DCPROV
                  Extension
The Element Set
●
    What elements do we propose to use to
     describe the metadata provenance?
The Element Set
●
    What elements do we propose to use to
     describe the metadata provenance?
●
    Guess what:

     Dublin Core
The Element Set
●
    What elements do we propose to use to
     describe the metadata provenance?
●
    Guess what:

        Dublin Core
●
    We are discussing additional elements:
    ●
        dcprov:sourceModified as subproperty of dc:source
    ●
        dcprov:creationType, dcprov:rank
    ●
        ...
RDF Implementation
Using Named Graphs
               Description
                  Set




               Annotation
                  Set
Newspaper travel guides example
●
    Travel guides from many different places around the
      world.
●
    1st level provenance information regarding the
      guides: author, date of publication...
●
    2nd level provenance information regarding the
      metadata of the guides: publisher, author, license...
●
    3rd level provenance infor-
      mation about the RDF
      serialization displayed to
      the user: query executed,
      time of execution...
El Viajero travel guides example:
             Modeling




●
    1st level: description set (metadata about a guide)
●
    2nd level: annotation set (metadata provenance)
El Viajero travel guides example:
               Modeling (2)




●
    3rd level: Another annotation set, describing the
       creation process of the data delivered to the user.
OAI-PMH example: Modeling
Discoverability
●
    Use of SPARQL to retrieve annotation and
     description sets
●
    Example:

      SELECT ?ds ?p ?o WHERE {
        GRAPH ?ds { :MonaLisa dc:creator :LeonardoDaVinci . }
        GRAPH ?as { ?ds ?p ?o .
             ?as rdf:type dcprov:AnnotationSet . }
      }
Provenance Workshop
●   We have a half-day workshop tomorrow
    afternoon: Friday, 2 PM, Room B/C
●   Open agenda:
    ●   Discuss questions regarding our work.
    ●   What is needed for an application profile?
    ●   Connection to W3C Provenance Working Group.
    ●   Connection to W3C RDF Working Group.
    ●   What is the semantic of a description set?
    ●   ...
Remaining steps
●   We want to finish the task group shortly after
    DC-2011.
●   Now is the time for feedback that can be
    incorporated into the application profile.
●   Any help regarding the formulation of the
    application profile or other kinds of deliverables
    is highly appreciated.
●   Please sign up to the low traffic mailing list:
    http://www.jiscmail.ac.uk/lists/dc-provenance.html
To summarize:

               Make description sets identifable.

          Create descriptions of description sets.

                      And Dublin Core is ready
                     for Metadata Provenance.


                                 Thank you.


Credits: Photography "Chain" by Zsuzsanna Kilian

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Extending DCAM for Metadata Provenance

  • 1. Extending DCAM for Metadata Provenance DC-2011 September 22nd 2011 Kai Eckert The Hague, Netherlands Mannheim University Library Mannheim, Germany eckert@bib.uni-mannheim.de Daniel Garijo Universidad Politécnica de Madrid Madrid, Spain dgarijo@delicias.dia.fi.upm.es DCMI Michael Panzer Metadata OCLC Online Computer Library Center, Inc., Dublin, Ohio, USA Provenance panzerm@oclc.org Task Group
  • 2. DCMI Metadata Provenance Task Group ● Members: ● Kai Eckert (Mannheim University Library, Germany) ● Daniel Garijo (Universidad Politécnica de Madrid, Spain) ● Michael Panzer (OCLC, USA) ● Established: June 2010 (duration: 1 year, or so...) ● Goal: A Dublin Core conformant way to represent metadata provenance. ● Further Information: ● http://www.dublincore.org/groups/provenance/ ● http://wiki.bib.uni-mannheim.de/dc-provenance/
  • 3. Our motivation ● Back in 2009, we wanted Metametadata... ● ... to add debugging information to metadata statements created with crosswalks, ● ... to add source information to metadata statements merged from different sources, ● ... to add additional information like confidence values to automatic indexing results,which is missing in ALL bibliographic metadata formats. ● Those were the days in Seoul... back in 2009.
  • 4. Provenance ● Today, we talk about provenance. ● “Provenance of a resource is a record that describes entities and processes involved in producing and delivering or otherwise influencing that resource.” W3C Provenance Incubator Group ● Provenance is everywhere and provenance can be described using Dublin Core. ● But there are many different ways to integrate the provenance information.
  • 7. http://www.europeana.eu „Data“ The Mona Lisa Metadata „The Provenance of Mona Lisa“ Metametadata „The Provenance of the Metadata“
  • 8.
  • 9.
  • 11. UML Class Model DCAM Proposed DCPROV Extension
  • 12. The Element Set ● What elements do we propose to use to describe the metadata provenance?
  • 13. The Element Set ● What elements do we propose to use to describe the metadata provenance? ● Guess what: Dublin Core
  • 14. The Element Set ● What elements do we propose to use to describe the metadata provenance? ● Guess what: Dublin Core ● We are discussing additional elements: ● dcprov:sourceModified as subproperty of dc:source ● dcprov:creationType, dcprov:rank ● ...
  • 15. RDF Implementation Using Named Graphs Description Set Annotation Set
  • 16. Newspaper travel guides example ● Travel guides from many different places around the world. ● 1st level provenance information regarding the guides: author, date of publication... ● 2nd level provenance information regarding the metadata of the guides: publisher, author, license... ● 3rd level provenance infor- mation about the RDF serialization displayed to the user: query executed, time of execution...
  • 17. El Viajero travel guides example: Modeling ● 1st level: description set (metadata about a guide) ● 2nd level: annotation set (metadata provenance)
  • 18. El Viajero travel guides example: Modeling (2) ● 3rd level: Another annotation set, describing the creation process of the data delivered to the user.
  • 20. Discoverability ● Use of SPARQL to retrieve annotation and description sets ● Example: SELECT ?ds ?p ?o WHERE { GRAPH ?ds { :MonaLisa dc:creator :LeonardoDaVinci . } GRAPH ?as { ?ds ?p ?o . ?as rdf:type dcprov:AnnotationSet . } }
  • 21. Provenance Workshop ● We have a half-day workshop tomorrow afternoon: Friday, 2 PM, Room B/C ● Open agenda: ● Discuss questions regarding our work. ● What is needed for an application profile? ● Connection to W3C Provenance Working Group. ● Connection to W3C RDF Working Group. ● What is the semantic of a description set? ● ...
  • 22. Remaining steps ● We want to finish the task group shortly after DC-2011. ● Now is the time for feedback that can be incorporated into the application profile. ● Any help regarding the formulation of the application profile or other kinds of deliverables is highly appreciated. ● Please sign up to the low traffic mailing list: http://www.jiscmail.ac.uk/lists/dc-provenance.html
  • 23. To summarize: Make description sets identifable. Create descriptions of description sets. And Dublin Core is ready for Metadata Provenance. Thank you. Credits: Photography "Chain" by Zsuzsanna Kilian