OCLC

A nonprofit global library organization providing shared technology services, research, and community programs.

Consortium Active

OCLC, Inc. is a US-based nonprofit cooperative organization that provides shared technology services, original research, and community programs for its membership and the library community at large. Founded in 1967 as the Ohio College Library Center, OCLC cooperatively produces and maintains WorldCat, the largest online public access catalog in the world. OCLC also maintains the Dewey Decimal Classification system and offers a wide range of library services funded by member fees.

Standards (3)

Dewey Decimal Classification

(DDC)

The world's most widely used library classification, organizing knowledge by decimal notation since 1876.

Encoding Scheme / Value Vocabulary active OCLC Updated July 1, 2011

Faceted Application of Subject Terminology

(FAST)

Breaks complex library subject headings into simple facets for easier cataloging and web use.

Vocabulary / Thesaurus active OCLC Research Est. 1998

Virtual International Authority File

(VIAF)

Links name authority records from national libraries worldwide into shared, persistent identifier clusters.

Vocabulary / Thesaurus active OCLC Updated September 4, 2024