Networked Knowledge Organization Systems
Dublin Core Application Profile (NKOS AP)
KOS Types Vocabulary
http://w3id.org/nkos/nkostype Title Description Creator Contributor Described by Date Created Date Modified Version Introduction
This file specifies a value vocabulary of major types of KOS (Knowledge Organization Systems). This KOS Vocabulary is developed for the Networked Knowledge Organization Systems Dublin Core Application Profile (NKOS AP), based on the work the of Networked Knowledge Organization Systems (NKOS) community [http://nkos.slis.kent.edu/] has done since 1998, especially the taxonomy of KOS.
Namespace:
xmlns:nkostype=" http://w3id.org/nkos/nkostype "
Example:
nkostype terms' IRI has the pattern as: http://w3id.org/nkos/nkostype#xxx
RDF/XML file available: [pdf]
KOS Types Vocabulary
KOS Types, in alphabetical order:
authority file: _see*name authority list
categorization scheme : loosely formed grouping scheme [1]
classification scheme : schedule of concepts and pre-coordinated combinations of concepts, arranged by classification [2]
dictionary** :** a reference source containing words usually alphabetically arranged along with information about their forms, pronunciations, functions, etymologies, meanings, and syntactical and idiomatic uses [3]
gazetteer : geospatial dictionary of named and typed places [1]
glossary** :** a collection of textual glosses or of specialized terms with their meanings [3]
list : a limited set of terms arranged as a simple alphabetical list or in some other logically evident way; containing no relationships of any kind [4]
name authority list : controlled vocabulary for use in naming particular entities consistently [2]
ontology : A formal model that allows knowledge to be represented for a specific domain. An ontology describes the types of things that exist (classes), the relationships between them (properties) and the logical ways those classes and properties can be used together (axioms). [5]
pick list: _see*list
semantic network : set of terms representing concepts, modeled as the nodes in a network of variable relationship types [1]
subject heading list: _see*subject heading scheme
subject heading scheme : structured vocabulary comprising terms available for subject indexing, plus rules for combining them into pre-coordinated strings of terms where necessary [2]
synonym ring : set of synonymous or almost synonymous terms, any of which can be used to refer to a particular concept [2]
taxonomy : scheme of categories and subcategories that can be used to sort and otherwise organize items of knowledge or information [2]
terminology : set of designations belonging to one special language [ISO 1087-1:2000, definition 3.5.1][2]
(NOTE: The term “special language” is defined in ISO 1087 to mean a “language used in a subject field and characterized by the use of specific linguistic means of expression”; while a “designation” is defined therein as a “representation of a concept by a sign which denotes it”.)thesaurus : controlled and structured vocabulary in which concepts are represented by terms, organized so that relationships between concepts are made explicit, and preferred terms are accompanied by lead-in entries for synonyms or quasi-synonyms [2]
[1] NKOS definitions. Based on KOS Taxonomy [2] http://nkos.slis.kent.edu/KOS_taxonomy.htm
[2] ISO25964-2:2013. Information and documentation -- Thesauri and interoperability with other vocabularies. Part 2: Interoperability with other vocabularies.
[3] Merriam Webster online. Available at: [3]
[4] NKOS definitions. Based on ANSI/NISO Z39.19-2005 (R2010). Guidelines for the construction, format, and management of monolingual controlled vocabularies. ISBN: 1-880124-65-3. Available at: [4]
[5] W3C Linked Data Glossary. W3C Working Group Note 27 June 2013. Available at: [5]
References:
ISO 25964-2:2013. Information and documentation -- Thesauri and interoperability with other vocabularies -- Part 2: Interoperability with other vocabularies. ISO (International Organization for Standardization) ISO TC 46/SC 9. Info: [6]
KOS Taxonomy. NKOS (Networked Knowledge Organization Systems/Services/Structures), 2000-. (Web page). Available at: [7]
ANSI/NISO Z39.19-2005. Guidelines for the construction, format, and management of monolingual controlled vocabularies. Bethesda, MD: NISO Press. 2005, R2010. Available at: [8]
Merriam Webster online. Available at: [9]
Linked Data Glossary. W3C Working Group Note 27 June 2013. (Web page). Available at: [10]