@prefix qudt: . @prefix owl: . @prefix ssd: . @prefix xsd: . @prefix skos: . @prefix rdfs: . @prefix qudt-unit: . @prefix qb: . @prefix dgu: . @prefix dct: . @prefix ui: . @prefix reg: . @prefix grib2-parameter: . @prefix qudt-quantity: . @prefix api: . @prefix vann: . @prefix prov: . @prefix foaf: . @prefix cc: . @prefix common-unit: . @prefix grib2-core: . @prefix void: . @prefix version: . @prefix bufr4-core: . @prefix rdf: . @prefix ldp: . @prefix time: . @prefix qudt-dimension: . @prefix vs: . @prefix dc: . @prefix common-core: . a skos:Concept ; rdfs:label "inapplicable" ; dct:description "None of the codes in the table are applicable in the context of this particular observation."@en ; skos:notation "inapplicable" . a ldp:Container , reg:Register , skos:Collection ; rdfs:label "Reference time" ; dct:description "Reference time" ; dct:modified "2019-11-21T09:14:29.877Z"^^xsd:dateTime ; owl:versionInfo 2 ; skos:member , , , , , ; ldp:hasMemberRelation skos:member . a skos:Concept ; rdfs:label "unknown" ; dct:description "Source of reference time unknown"@en ; skos:notation "unknown" . a skos:Concept ; rdfs:label "Time server (internet based)" ; dct:description "A server computer that reads the actual time from a reference/atomic clock and distributes this information to its clients using a computer network. The time server may be a local network time server or an internet time server."@en ; skos:notation "timeServer" . a skos:Concept ; rdfs:label "Global navigation satellite system (GNSS)" ; dct:description "A Global Navigation Satellite System (GNSS) signal controlled clock, which receives a signal that comes from the atomic clock of a GNSS constellation of satellites."@en ; skos:notation "gnss" . a skos:Concept ; rdfs:label "Radio clock" ; dct:description "A radio controlled clock, which receives a radio signal that comes from a reference/atomic clock."@en ; skos:notation "radioClock" . a skos:Concept ; rdfs:label "Manual comparison" ; dct:description "A regular procedure of manual comparison with a reference clock"@en ; skos:notation "manualComparison" .