Vocabulary Classes

Most of the classes used for describing xAPI vocabularies come from the Simple Knowledge Organization System (SKOS). Read the Companion Specification for xAPI Vocabularies for more details on the intentional alignment with SKOS. This section will briefly describe all of the classes used for xAPI vocabularies.

skos:ConceptScheme is the class for collections, lists, and other similar types of a controlled vocabulary. In the xAPI sense, it will generally be used for various collections of verbs or activity types, particularly represented as vocabularies.

xapi:ActivityType is the class used for xAPI Activity Types. It is a ‘subclass’ of skos:Concept.

xapi:Verb is the class for xAPI Verbs. It is a ‘subclass’ of skos:Concept.

prov:Activity is a class used in connection with vocabulary provenance properties.