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WorldCat ontology guidelines and standards

  1. Last updated
    May 29, 2025
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Discover details about the WorldCat ontology, including a guide to the structure and input standards used in OCLC's WorldCat Entities environment, as well as definitions and information about this cooperative environment.
WorldCat Thing
WorldCat Agent

WorldCat Family

WorldCat Organization
WorldCat Administrative Area (Organization)

WorldCat Person

WorldCat Concept

WorldCat Frequency

WorldCat Measurement

WorldCat Performance Medium

WorldCat Postal Address

WorldCat Role

WorldCat Unit of Measure

WorldCat Edition

WorldCat Event

WorldCat Transactional Event

WorldCat Place

WorldCat Administrative Area (Place)

WorldCat Landform

WorldCat Work

WorldCat Cartographic Material

WorldCat Collection

WorldCat Archival Collection

WorldCat Continuing Resource

WorldCat Integrating Resource

WorldCat Serial

WorldCat Festschrift

WorldCat Series

WorldCat Data Set

WorldCat Fictional Entity

WorldCat Image

WorldCat Moving Image

WorldCat Still Image

WorldCat Interactive Resource

WorldCat Notated Movement

WorldCat Notated Music

WorldCat Physical Object

WorldCat Software

WorldCat Sound
WorldCat Music

WorldCat Text

WorldCat Website