Are Libraries Ready for Linked Data?

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    Notes on slide 1

    In general the record identifies the object, or, its description as a whole is adequate to identify the object.

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    Are Libraries Ready for Linked Data? - Presentation Transcript

    1. Are Libraries Ready for Linked Data?
      A not-too-technical look at the question at hand …
      Diane I. Hillmann
      Information Institute of Syracuse/
      Metadata Management Associates
    2. To Re-phrase the question …
      If “linked data” is about relationships …
      And we’re done (pretty much) with expressing relationships using textual notes (as we have done for decades—nay, CENTURIES—first on catalog cards, then using AACR and MARC)
      And we understand that we need machine-based methods to really do the job well … THEN …
      7/13/09
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      ALA Annual: Linked Data Program
    3. We’re READY!
      7/13/09
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      ALA Annual: Linked Data Program
    4. Getting Real--Defining READY
      Availability of schemas and vocabularies
      RDA is full of relationships, from the FRBR model to the extensive relationship vocabularies currently registered and near completion
      Availability of applications and tools that can help us use linked data
      Started, certainly, but not entirely there yet
      [Jennifer will talk a bit about this part]
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      ALA Annual: Linked Data Program
    5. Starting at the Grass Level
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    6. What’s All This About Triples?
      In traditional cataloging, you get attribute/value pairs:
      Title = Bluebeard
      Author = Vonnegut, Kurt
      And you know what the object of the statements are because they’re part of a RECORD
      7/13/09
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      ALA Annual: Linked Data Program
    7. What’s All This About Triples?
      In traditional cataloging, you get a record package, with an ID:
      Title = Bluebeard
      Author = Vonnegut, Kurt
      The record is identifiable and shareable, but the statements within that package cannot stand alone
      Record ID=abc12345
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      ALA Annual: Linked Data Program
    8. Person
      Book
      Has Author
      You’ve seen this before …
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    9. Book
      Person
      Has Author
      Has Name
      Has Title
      Vonnegut, Kurt
      Bluebeard
      And this …
      7/13/09
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      ALA Annual: Linked Data Program
    10. Object & Agent
      Have Identifiers
      Book
      Person
      Has Author
      Relationships
      Have Identifiers
      Has Name
      Has Title
      Vonnegut, Kurt
      Bluebeard
      Identifiers are critical for Linked Data!
      Libraries are used to providing identifiers for Agents and Objects, but not for Relationships
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    11. Q: How do we make Identifiers for Relationships?A: We already have them, in RDA
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      ALA Annual: Linked Data Program
    12. URI
      Definition
      For use with this
      FRBR entity
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    13. More specific properties
      7/13/09
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    14. 7/13/09
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      ALA Annual: Linked Data Program
    15. Registered Elements Contain:
      Names and labels
      Resolvable URIs (for machine use, primarily)
      Reciprocal relationships between elements
      Relationships between RDA Elements and FRBR entities (FRBR entities will be maintained by IFLA)
      Administrative properties (status, update date, notes, maintainer)
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    16. 7/13/09
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      262 Relationships?
    17. URI
      Parent Property
      Status
      Language
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    18. Please Note:
      The fact that the registration of RDA vocabularies supports a linked data future for libraries is NOT ACCIDENTAL
      We owe a great deal to the funders of the DCMI/RDA Task Group (The British Library and Siderean Software), who had the vision to wade in and support this work
      The vocabularies will be complete, reviewed and with status “published” when RDA is released
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    19. Thank you!
      7/13/09
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    + Diane I. HillmannDiane I. Hillmann, 4 months ago

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