has broader
sub property of: broaderTransitive
definition: Relates a concept to a concept that is more general in meaning.
comment: Broader concepts are typically rendered as parents in a concept hierarchy (tree).

UNESCO Thesaurus
type: ConceptScheme
preferred label: Тезаурус ЮНЕСКО @ru
preferred label: Thésaurus de l'UNESCO @fr
preferred label: Tesauro de la UNESCO @es

has related
sub property of: semanticRelation
definition: Relates a concept to a concept with which there is an associative semantic relationship.
comment: skos:related is disjoint with skos:broaderTransitive

alternative label
sub property of: label
definition: An alternative lexical label for a resource.
comment: The range of skos:altLabel is the class of RDF plain literals.
comment: skos:prefLabel, skos:altLabel and skos:hiddenLabel are pairwise disjoint properties.

Concept
type: Class

preferred label
sub property of: label
definition: The preferred lexical label for a resource, in a given language.
comment: skos:prefLabel, skos:altLabel and skos:hiddenLabel are pairwise disjoint properties.
comment: The range of skos:prefLabel is the class of RDF plain literals.
comment: A resource has no more than one value of skos:prefLabel per language tag.

is in scheme
definition: Relates a resource (for example a concept) to a concept scheme in which it is included.

Academic year
type: Concept
preferred label: Академический год @ru
preferred label: Año académico @es
preferred label: Année académique @fr
narrower: School time

Educational attendance
type: Concept
preferred label: Учебная посещаемость @ru
preferred label: Asistencia escolar @es
preferred label: Fréquentation scolaire @fr
related: School time

School time
type: Concept
preferred label: Учебное время @ru
preferred label: Temps scolaire @fr
preferred label: Tiempo escolar @es
alternative label: Ritmo escolar @es
alternative label: Rythme scolaire @fr
member of: Educational management
related: Educational attendance
broader: Academic year
is in scheme: UNESCO Thesaurus

Educational management
type: ConceptGroup
preferred label: Управление в области образования @ru
preferred label: Gestion de l'éducation @fr
preferred label: Gestión de la educación @es
member: School time
notation: 1.25