ISKO Encyclopedia of Knowledge Organization (IEKO)


  • Birger Hjørland (Royal School of LIS, Copenhagen, Denmark)

Web Editor

  • Claudio Gnoli (University of Pavia, Italy)

Authors and editors


Available entries


This is an online, open access encyclopedia of knowledge organization hosted by ISKO and produced by ISKO Scientific Advisory Council. It will contain entries about concepts, disciplines, organizations, systems, standards, and theories etc. including important domain specific systems.

The encyclopedia is peer reviewed, all articles are signed by author(s), dated and versioned (new versions may be distinguished as, for example, Version 1.1 for minor changes of version 1 and Version 2 for major changes). We will try to get articles by the best experts in the subject of each article and to maintain a high scholarly standard. The first accepted version of each article is also published in a section of Knowledge Organization: Reviews of concepts in knowledge organization.

The order in which the articles are published represents the availability and deadlines of authors rather than a priority of what is most important. We have so far commitments from many authors for articles, including:

  • Automatic classification
  • Bliss Bibliographic Classification, 2nd ed. (BC2)
  • Color classification
  • Diagnostic and Statistical Manual of Mental Disorders (DSM)
  • Document
  • Domain analysis
  • Faceted classification
  • Feminist epistemologies
  • Fiction classification and indexing
  • Folksonomy/social tagging
  • Genetic classification
  • Hypertext
  • Indexing
  • ISKO
  • Knowledge Organization System (KOS)
  • Language classification
  • Library classification
  • Linnaean taxonomy
  • Literary warrant
  • Ontology as a KOS
  • OPAC
  • Semantic relations
  • Subject headings
  • Thesaurus
  • Universal Decimal Classification (UDC)
  • Web archiving

More authors are invited and the plan is that the encyclopedia shall span the field of Knowledge Organization from classical concepts and systems to up-to-date advanced technologies, concepts and issues. Anybody is encouraged to submit proposals for entries or updated versions of existing entries to scient@isko.org. Please conform to the guidelines for contributors. The policy for selecting authors is primarily based on research profiles: to try to get the most qualified authors for each article (i.e. authors that have previously published on the subject).


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