Authorities and Vocabularies, LCs New SKOSBased Service

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Authorities and Vocabularies, LCs New SKOS-Based
Service

• Janis L. Young
• Cataloging Policy Specialist
• Policy and Standards Division
• Library of Congress
• jayo_at_loc.gov

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SKOS

• Simple Knowledge Organization System
• Provides a model for expressing the basic
  structure and content of concept schemes such as
  thesauri, classification schemes, subject heading
  lists, taxonomies, folksonomies, and other
  similar types of controlled vocabularySKOS
  Primer

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SKOS

• Based on the Resource Description Framework (RDF)
• Resources can be exchanged between software
  applications and published on the Web
• Interconnects data on the Web, helping create the
  Semantic Web

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Authorities and Vocabularies

• URL id.loc.gov
• Replaces lcsh.info
• Intent To provide human and programmatic access
  to commonly found standards and vocabularies
  developed by LC

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Authorities and Vocabularies

• LCSH is the first offering
• Subject headings
• Genre/form headings
• Childrens subject headings
• Subdivision records
• Validation records
• Provides links from LCSH headings to RAMEAU
  headings

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Authorities and vocabularies

• To come
• Thesaurus for Graphic Materials (TGM)
• MARC geographic area codes
• MARC language codes
• MARC relator codes

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Authorities and Vocabularies

• Benefits
• Servers can download entire controlled
  vocabularies and the values within them, in
  multiple formats
• Available at no cost

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Authorities and Vocabularies

• Human end-users can search and view individual
  headings and data elements and view
• Details of the record
• Visualization

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Authorities and Vocabularies

• URL for specific LCSH records
• id.loc.gov/authorities/LCCN
• id.loc.gov/authorities/sh8508803

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Authorities and Vocabularies

• Current search parameters
• Headings containing words comprising three
  characters or less are not searchable
• Searching is keyword in heading
• UFs must be searched with the Known Label
  Retrieval method, e.g.
• id.loc.gov/authorities/label/Cinema
• Retain spaces and punctuation
• Do not truncate

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Authorities and Vocabularies

• Current display parameters
• Terms labeled as BTs may be facets instead
• World War, 1939-1945Personal narratives
• BT World War, 1939-1945
• Terms with more than 20 semantic relationships
  cannot be visualized

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Authorities and Vocabularies

• Contact information
• Content of site
• Libby Dechman, edec_at_loc.gov
• Technical questions
• Larry Dixson, ldix_at_loc.gov

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Authorities and Vocabularies

• A comment form and discussion list are available
  at http//id.loc.gov/authorities/contact.html

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Questions?