@prefix dct: . @prefix ns1: . @prefix ns2: . @prefix ns3: . @prefix rdfs: . @prefix skos: . a skos:Concept ; dct:created "2019-01-14" ; dct:modified "2019-01-14" ; ns2:hasProfile ; ns3:status ; rdfs:seeAlso ; skos:definition "Fog means water droplets or minute ice crystals close to the surface which reduce visibility in air to less than 1000m. X_area_fraction means the fraction of horizontal area occupied by X."@en ; skos:exactMatch ; skos:prefLabel "fog area fraction"@en ; ns1:hadPrimarySource .