> [!tldr] A standard way to represent knowledge organization systems using [[Resource Description Framework|RDF]]
> [!quote]
> In basic SKOS, conceptual resources (concepts) can be identified with URIs, labeled with lexical strings in one or more natural languages, documented with various types of note, semantically related to each other in informal hierarchies and association networks and aggregated into concept schemes.
> -[primer](https://www.w3.org/TR/skos-primer/)
![[Pasted image 20260827165551.png]]
Includes:
- Concepts
- Concept *Schemes*
- Lexical Labels
- Notations
- Note Properties
- Semantic Relations
- Concept Collections
- Mapping Properties
## Classes
- https://www.w3.org/TR/2008/WD-skos-reference-20080829/skos.html#Concept
- A SKOS concept can be viewed as an **idea or notion;** a unit of thought. However, what constitutes a unit of thought is subjective, and this definition is meant to be suggestive, rather than restrictive.
- `skos:Concept`
- https://www.w3.org/TR/2008/WD-skos-reference-20080829/skos.html#ConceptScheme
- A SKOS concept scheme can be viewed as an aggregation of one or more SKOS concepts
- `skos:ConceptScheme`
- `skos:inScheme`
- `skos:hasTopConcept`
- `skos:topConceptOf`
- https://www.w3.org/TR/2008/WD-skos-reference-20080829/skos.html#Collection & https://www.w3.org/TR/2008/WD-skos-reference-20080829/skos.html#OrderedCollection
- labeled and/or ordered **groups of SKOS concepts**
- `skos:Collection`
- `skos:OrderedCollection`
- `skos:member`
- `skos:memberList`
## Properties
- https://www.w3.org/TR/2008/WD-skos-reference-20080829/skos.html#altLabel
- https://www.w3.org/TR/2008/WD-skos-reference-20080829/skos.html#broadMatch
- https://www.w3.org/TR/2008/WD-skos-reference-20080829/skos.html#broadMatch
- https://www.w3.org/TR/2008/WD-skos-reference-20080829/skos.html#broaderTransitive
- https://www.w3.org/TR/2008/WD-skos-reference-20080829/skos.html#changeNote
- https://www.w3.org/TR/2008/WD-skos-reference-20080829/skos.html#closeMatch
- https://www.w3.org/TR/2008/WD-skos-reference-20080829/skos.html#definition
- https://www.w3.org/TR/2008/WD-skos-reference-20080829/skos.html#editorialNote
- https://www.w3.org/TR/2008/WD-skos-reference-20080829/skos.html#exactMatch
- https://www.w3.org/TR/2008/WD-skos-reference-20080829/skos.html#example
- https://www.w3.org/TR/2008/WD-skos-reference-20080829/skos.html#hasTopConcept
- https://www.w3.org/TR/2008/WD-skos-reference-20080829/skos.html#hiddenLabel
- https://www.w3.org/TR/2008/WD-skos-reference-20080829/skos.html#historyNote
- https://www.w3.org/TR/2008/WD-skos-reference-20080829/skos.html#inScheme
- https://www.w3.org/TR/2008/WD-skos-reference-20080829/skos.html#mappingRelation
- https://www.w3.org/TR/2008/WD-skos-reference-20080829/skos.html#member
- https://www.w3.org/TR/2008/WD-skos-reference-20080829/skos.html#memberList
- https://www.w3.org/TR/2008/WD-skos-reference-20080829/skos.html#narrowMatch
- https://www.w3.org/TR/2008/WD-skos-reference-20080829/skos.html#narrower
- https://www.w3.org/TR/2008/WD-skos-reference-20080829/skos.html#narrowerTransitive
- https://www.w3.org/TR/2008/WD-skos-reference-20080829/skos.html#notation
- https://www.w3.org/TR/2008/WD-skos-reference-20080829/skos.html#note
- https://www.w3.org/TR/2008/WD-skos-reference-20080829/skos.html#prefLabel
- https://www.w3.org/TR/2008/WD-skos-reference-20080829/skos.html#related
- https://www.w3.org/TR/2008/WD-skos-reference-20080829/skos.html#relatedMatch
- https://www.w3.org/TR/2008/WD-skos-reference-20080829/skos.html#scopeNote
- https://www.w3.org/TR/2008/WD-skos-reference-20080829/skos.html#semanticRelation
- https://www.w3.org/TR/2008/WD-skos-reference-20080829/skos.html#topConceptOf
Note - this uses [[Hash Namespace vs Slash Namespace|Hash Namespacing]].
****
# More
## Source
- conversations with various LLMs
- example image: https://www.bobdc.com/blog/skosibm/
- https://www.w3.org/TR/2008/WD-skos-reference-20080829/skos.html
- https://www.w3.org/2004/02/skos/
- https://www.w3.org/TR/skos-primer/