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Metadata

Metadata for digital objects at Wesleyan is built upon community standards and best practices in order to optimize our records for sharing and to facilitate data exchange with systems like the Connecticut Digital Archive (CTDA) and the Digital Public Library of America (DPLA).

Standards that the Digital Lab relies on include metadata application profiles (MAP) and metadata dictionaries, content standards, controlled vocabularies, file format definitions, APIs, and others.

The full MAP for the library is available here -> WesleyanMAP.

Content standards in use at the library for descriptive metadata include:

  • Anglo-American Cataloging Rules, 2nd Ed. Rev. (AACR2) expressed through MARC21
  • Describing Archives: A Content Standard (DACS) expressed through Encoded Archival Description (EAD)
  • Dublin Core (DC)
  • Metadata Object Description Schema (MODS)

Controlled vocabularies in use at the library for descriptive metadata include:

  • Library of Congress Subject Headings (LCSH)
  • Library of Congress Name Authority (NAF)
  • Virtual International Authority File (VIAF)
  • Thesaurus for Geographic Names (TGN)
  • Faceted Application of Subject Terminology (FAST)
  • Thesaurus for Graphic Materials (TGM)
  • Art & Architecture Thesaurus (AAT)

Additional controlled vocabularies in use at the library for technical metadata include:

Internet MIME Types
PRONOM

Wesleyan makes metadata for it’s databases available through the Z39.50 protocol, the Open Archives Initiative Protocol for Metadata Harvesting (OAI-PMH), and APIs. The method of metadata retrieval depends on the database.