Glossary

RDF
Resource Description Framework. A very flexible model for data definition organised around triples. These triples forms a directed, labeled graph, where the edges represent the named link between two resources, represented by the graph nodes.
SKOS
Simple Knowledge Organization System. An general specification for Knowledge Organisation Systems (thesauri, word lists, authority files, …) that is commonly serialised as RDF.
URI
A Uniform Resource Identifier.
URN
A URN is a specific form of a URI.