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Library and information science

13 articles

Colon classification

Colon classification (CC) is a faceted, analytico-synthetic library classification system devised by S. R. Ranganathan, first published 1933 in Madras. Seven editions, PMEST categories, synthesized class numbers, used mainly in Indian libraries.

Dewey Decimal Classification

Dewey Decimal Classification (DDC), or Dewey Decimal System, is Melvil Dewey's 1876 library classification with ten main classes 000-900, now owned by OCLC, used in over 200,000 libraries, and distinct from the Library of Congress Classification.

Grey literature

Grey literature (gray literature) is material produced outside commercial publishing, such as theses, reports, preprints, and conference papers. Defined by the 1997 Luxembourg definition; including it in meta-analyses reduces publication bias since published effect sizes run about one-third larger.

Information management

Information management (IM) is the management of processes and systems that create, acquire, organize, store, distribute, and use information. Distinct from records, data, and knowledge management; spans organizational, library, and personal perspectives, IRM lineage, ISO 15489, and national archives assessment programs.

Information science

Information science is an interdisciplinary field studying how information is created, organized, stored, retrieved, and used, combining library science, computer science, and information management; formalized in the 1950s–1960s, defined by Borko in 1968, and measured as highly interdisciplinary.

Library and information science

Library and information science, or Library Studies, is the field studying the information communication chain, combining library science and information science, and focusing on information, technology, and people.

Library classification

Library classification: systems like Dewey Decimal (DDC, 1876, 10 classes) and Library of Congress Classification (LCC, 1897, 21 letter classes) that arrange library materials by subject via call numbers; DDC edited at LC, owned by OCLC.

Library of Congress Classification

Library of Congress Classification (LCC): alphanumeric library classification system with 21 lettered main classes (A General Works to Z Library Science), developed late 19th-early 20th century for the Library of Congress and widely used by US academic libraries, distinct from numeric Dewey.

List of Dewey Decimal classes

List of Dewey Decimal classes: the ten main classes (000–900) of the Dewey Decimal Classification, Melvil Dewey's 1876 library classification system, with divisions, sections, and examples such as 973 for United States history.

Marquis Who's Who

Marquis Who's Who is an American biographical reference publisher founded 1898 by Albert Nelson Marquis, flagship Who's Who in America (first edition June 1899, 8,602 bios); its Marquis Biographies Online database holds 1.6 million-plus profiles.

MODS

MODS (Metadata Object Description Schema) is an XML schema for bibliographic data developed by the Library of Congress in 2002, richer than Dublin Core and simpler than MARC 21.

Outline (list)

Outline (list): a hierarchical list showing a subject's structure, equivalent to a taxonomy tree with one parent per node. Contrasted with faceted classification; exemplified by the Library of Congress Classification Outline, DDC, and Ranganathan's Colon Classification.

Universal Decimal Classification

Universal Decimal Classification (UDC), also Classification Décimale Universelle: an analytico-synthetic, faceted bibliographic classification covering all knowledge, derived from Dewey by Otlet and La Fontaine, owned by the UDC Consortium in The Hague.