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Strange New World

Linked Data for Catalogers and Metadata Librarians

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Online Northwest Conference 2014

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Linked Data Basics

  • Records Statements
  • Documents Data
  • Resource Description Framework (RDF)
  • Relationships defined in “triples”
    • Thing A Has relationship to Thing B
  • Record becomes a graph formed by triples
  • Foundation = URIs
  • Not limited to libraries
  • Database (closed) Web (open)
  • SQL SPARQL

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Why change?

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Why change?

Current practice

Text-based links=Fragile

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Bibliographic record Authority record

Goal

URI-based links=Stability

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Bibliographic record Authority record

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Muir, John, 1838-1914.

Muir, John, 1838-1914.

Muir, John,

1838-1914.

Muir, J., 1838-1914.

http://lccn.loc.gov/n79078692

Muir, John, 1838-1914.

Muir, J., 1838-1914.

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GRAPHS

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[http://lccn.loc.gov/n78093802]

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[http://purl.org/dc/elements/1.1/creator]

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[http://www.worldcat.org/oclc/17353644]

is author of

Edward Abbey

Desert Solitaire

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Graphs

http://dublincore.org/documents/dcq-rdf-xml/images/Original_RDF_graph.gif

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http://www.bl.uk/bibliographic/pdfs/bldatamodelbook.pdf

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Authority Control?

  • John Muir
    • Viaf: http://viaf.org/viaf/68933311
    • LC: http://id.loc.gov/authorities/names/n79078692

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OWL:sameas

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Linked Data Pioneers

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Linked Data in Action�Facebook Open Graph

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Linked Data in Action�Facebook Open Graph

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�Linked Open Data�

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Linked Data in Action�WorldCat

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Linked Data in Action�WorldCat

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How do libraries get there?

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How do libraries get there?

  • Existing vocabularies:
    • VIAF
    • LCSH
    • LCNA
    • Dublin Core
    • LCC
    • Open Metadata Registry

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LIBRARY OF CONGRESS PROJECTS & TOOLS

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http://www.loc.gov/bibframe/pdf/marcld-report-11-21-2012.pdf

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http://www.loc.gov/bibframe/pdf/marcld-report-11-21-2012.pdf

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Work

Instance

Authority

Annotation

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  • Create list in ILS
  • Output MARC file
  • Use MarcEdit to convert MARC records to MARCXML

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Journalism’s Voyage West (Stanford)

http://www.stanford.edu/group/ruralwest/cgi-bin/drupal/visualizations/us_newspapers

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Civil War on the Western Border/KCPL

http://www.civilwaronthewesternborder.org/content/relationship-viewer

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http://lod-cloud.net

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Linked Data Resources

  • Linked Open Data: the Essentials by Florian Bauer and Martin Kaltenbock. (http://www.semantic-web.at/LOD-TheEssentials.pdf)
  • Guides and tutorials on Linked Data Cloud (http://linkeddata.org/guides-and-tutorials)
  • Stanford Linked Data Workshop (2011) (http://lib.stanford.edu/files/Stanford_Linked_Data_Workshop_Report_FINAL.pdf)
  • Library Technology Reports:
    • By Karen Coyle
      • v. 46, no. 1, 2010. “Understanding the Semantic Web: Bibliographic Data and Metadata”
      • v. 48, no. 4, 2012. “Linked Data Tools: Connecting on the Web”
    • By Erik T. Mitchell
      • V. 49, no. 5, 2013. “Library Linked Data: Research and Adoption”

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Questions?

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Jessica Hayden

Technical Services Manager

University of Northern Colorado

Jessica.hayden@unco.edu