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The database includes other information sources in addition to member library collections. [6] OCLC makes WorldCat itself available free to libraries, but the catalog is the foundation for other subscription OCLC services (such as resource sharing and collection management). WorldCat is used by librarians for cataloging and research and by the ...
OCLC, Inc. OCLC, Inc., doing business as OCLC, [4] is an American nonprofit cooperative organization "that provides shared technology services, original research, and community programs for its membership and the library community at large". [2] It was founded in 1967 as the Ohio College Library Center, then became the Online Computer Library ...
The largest international library catalog in the world is the WorldCat union catalog managed by the non-profit library cooperative OCLC. [3] In January 2021, WorldCat had over half a billion catalog records and three billion library holdings. [4] Card catalog at Yale
OCLC's mission is to . establish, maintain and operate a computerized library network and to promote the evolution of library use, of libraries themselves and of librarianship, and to provide processes and products for the benefit of library users and libraries, including such objectives as increasing availability of library resources to individual library patrons and reducing the rate-of-rise ...
Library classification. A library classification is a system used within a library to organize materials, including books, sound and video recordings, electronic materials, etc., both on shelves and in catalogs and indexes. Each item is typically assigned a call number, which identifies the location of the item within the system.
Online public access catalog. The online public access catalog (OPAC), now frequently synonymous with library catalog, is an online database of materials held by a library or group of libraries. Online catalogs have largely replaced the analog card catalogs previously used in libraries.
Unified catalog of member libraries' catalogs Free & Subscription OCLC Inc. WorldWideScience: Multidisciplinary: A union catalog that itemizes the collections of 17,900 libraries in 123 countries Free & Subscription DOE
A union catalog is a combined library catalog describing the collections of a number of libraries. Union catalogs have been created in a range of media, including book format, microform, cards and more recently, networked electronic databases. Print union catalogs are typically arranged by title, author or subject (often employing a controlled ...