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Toward linked data:

Toward linked data:. Library of Congress Medium of Performance Thesaurus P. Jane Smith February 13, 2013. Holidays in DC. Intro to LCMPT Intro to LCMPT Authority Data Elements LCMPT collaborative document Intro to the Open Metadata Registry Deployment of LCMPT on OMR

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Toward linked data:

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  1. Toward linked data: Library of Congress Medium of Performance Thesaurus P. Jane Smith February 13, 2013

  2. Holidays in DC

  3. Intro to LCMPT Intro to LCMPT Authority Data Elements LCMPT collaborative document Intro to the Open Metadata Registry Deployment of LCMPT on OMR Issues for consideration

  4. Brief History of LCMPT 2009: Creation of Music Library Association Bibliographic Control Committee (MLA-BCC) Genre/Form Task Force • Genre/form terms • Medium of performance terms 2011: Medium of performance terms project transferred to MLA-BCC Subject Access Subcommittee

  5. Why is LCMPT being developed? 2 bibliographic purposes: • “To retrieve music by its medium of performance in library catalogs, as is now done by the controlled vocabulary, Library of Congress Subject Headings (LCSH).” • “To record the element “medium of performance” of musical works, as represented in individual music resources cataloged according to Resource Description and Access (RDA).”

  6. LCSH vs. LCMPT Topic Medium of performance LCMPT Terms: Violin Piano Orchestra LC Subject Headings: Bach, Johann Sebastian, 1685-1750. Violin music. Violin music --Analysis, appreciation. Violin music --History and criticism. Current LC Subject Headings: Bach, Johann Sebastian, 1685-1750. Violin music. Concertos (Violin with string orchestra) Concertos (Violin with string orchestra) --Solos with piano.

  7. LCMPT stats • 856 terms (and growing) • 79 terms not previously present in LCSH • Currently a “monolingual” vocabulary • Includes brand-specific electric instruments

  8. LCMPT & ADE Concept Scheme Metadata Schema

  9. Descriptive Preferred term Variant of preferred term Broader term Related term Narrower term … Administrative Date record created Cataloger code (creator) Date record modified Cataloger code (modifier) Sponsoring agency code … LCMPT Authority Data Elements

  10. LCMPT Spreadsheet • Full list of terms • Full list of authority data elements • MARC mapping • SKOS mapping (incomplete) https://docs.google.com/spreadsheet/ccc?key=0AoZ8jz-1ohDWdDgxM2J5ZDNvZThLU2ljekFQUUIxNVE

  11. LCMPT-ADE & SKOS: acrosswalk LCMPT Authority Data Elements 1. Source of term 15. Preferred term 16. Variant of preferred term 17. Broader term 18. Related term 19. Narrower term 28. Scope and usage note 31. History note SKOS Concept Labels skos:ConceptScheme skos:prefLabel skos:altLabel skos:broader skos:related skos:narrower skos:scopeNote skos:historyNote

  12. http://metadataregistry.org/ • Semantic Web infrastructure • Metadata discovery, reuse & interoperability • Machine mapping of terms & concepts • Identify, declare, & publish: • Metadata schemas (element/property sets) • Concept schemes (controlled vocabularies) • APs (application profiles)

  13. LCMPT on Open Metadata Registry http://metadataregistry.org/vocabulary/show/id/315.html

  14. LCMPT-ADE on Open Metadata Registry http://www.metadataregistry.org/schema/show/id/70.html

  15. Open Metadata Registry data integrity measures

  16. Issues for consideration

  17. Foreign language terms • SKOS language tags skos:prefLabel "Bass voice"@en skos:altLabel "Basse"@fr • What if preferred term is not English?

  18. Bi-level relationships

  19. “Music BT needed” term

  20. Hierarchy construction • Top-down • Bottom-up • ?

  21. Data storage platform options • Spreadsheets • Database • Limitations of Open Metadata Registry • Other thesaurus software: MultiTesTopBraidKnoodl Protégé TemaTres etc.

  22. LCMPT extension of SKOS vocabulary? • Defining an application profile for LCMPT

  23. Questions or Comments?

  24. Online Resources: LCMPT list online: http://www.loc.gov/catdir/cpso/medprf_lcmla.pdf Music Genre/Form/Medium Project Wiki: http://musicgenrepublicforum.pbworks.com/ Library of Congress LCMPT press releases: http://www.loc.gov/catdir/cpso/medprf_thesaurus.html Print Resources: Iseminger, B. (2012). The music genre/form project: history, accomplishments, and future directions . Directions in music cataloging (pp. 63–77). Middleton: A-R Editions, Inc.

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