skos

type Concept struct {
	URI      string  // the concept IRI (subject)
	ID       string  // dc:identifier, or the IRI's last path segment
	Scheme   string  // skos:inScheme target IRI; optional
	Pref     []Label // skos:prefLabel (one per language)
	Alt      []Label // skos:altLabel
	Broader  []Ref   // skos:broader
	Narrower []Ref   // skos:narrower
	Related  []Ref   // skos:related
	Notes    []Label // skos:scopeNote and rdfs:comment
}

type Label struct {
	Text string
	Lang string // "" when the source literal had no language tag
}

type Ref struct {
	URI   string
	ID    string
	Label string // "" when the target concept is not in the parsed set
}