Are Libraries Ready for Linked Data?

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Are Libraries Ready for Linked Data?

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From Legacy Data to Linked Data: Preparing Libraries for Web 3.0. Presented at ALA Annual, Monday, June 13th, 8:00-10:00 AM ...

From Legacy Data to Linked Data: Preparing Libraries for Web 3.0. Presented at ALA Annual, Monday, June 13th, 8:00-10:00 AM

Session blurb: "How can library cataloging data be transformed to function within “Web 3.0” and be understood by non-library web applications? Speakers from both the library and Semantic Web communities will explore the situation in a non-technical manner and describe current work underway to transform legacy library data into linked data.

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

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
    2
    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]
    7/13/09
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    ALA Annual: Linked Data Program
  • 5. Starting at the Grass Level
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    ALA Annual: Linked Data Program
  • 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
    6
    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
    7/13/09
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    ALA Annual: Linked Data Program
  • 8. Person
    Book
    Has Author
    You’ve seen this before …
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    ALA Annual: Linked Data Program
  • 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
    7/13/09
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    ALA Annual: Linked Data Program
  • 11. Q: How do we make Identifiers for Relationships?A: We already have them, in RDA
    7/13/09
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    ALA Annual: Linked Data Program
  • 12. URI
    Definition
    For use with this
    FRBR entity
    7/13/09
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    ALA Annual: Linked Data Program
  • 13. More specific properties
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  • 14. 7/13/09
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  • 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)
    7/13/09
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    ALA Annual: Linked Data Program
  • 16. 7/13/09
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    ALA Annual: Linked Data Program
    262 Relationships?
  • 17. URI
    Parent Property
    Status
    Language
    7/13/09
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    ALA Annual: Linked Data Program
  • 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
    7/13/09
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  • 19. Thank you!
    7/13/09
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