@prefix ns1: . @prefix ns2: . @prefix ns3: . @prefix ns4: . @prefix rdfs: . @prefix skos: . a ns4:FeatureType, ns1:Class, skos:Concept ; ns2:description "A normative statement in the form of an imperative using the word SHALL or providing permission using the word MAY. " ; ns4:hasProfile ; ns3:status ; rdfs:seeAlso ; rdfs:subClassOf ; ns1:equivalentClass "node1f0i0cpg1x166" ; skos:broader ; skos:broaderTransitive ; skos:definition "Requirement"@en ; skos:notation "req" ; skos:prefLabel "Requirement"@en .