@prefix dct: . @prefix ns1: . @prefix ns2: . @prefix ns3: . @prefix ns4: . @prefix rdfs: . @prefix skos: . a skos:Concept, ns2:Entity ; dct:created "2019-01-17" ; dct:modified "2019-01-25" ; ns1:hasProfile ; ns3:status ; rdfs:seeAlso ; skos:altLabel "Ref_Blue_Backscatter" ; skos:definition "The wavelength of light considered to be blue by an optical backscatter sensor."@en ; skos:exactMatch ; skos:prefLabel "Reference wavelength (blue) by optical backscatter sensor"@en ; ns2:hadPrimarySource ; ns4:isObservedBy .