@base <http://semantics.aero/availability-status>.

@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>.
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
@prefix owl: <http://www.w3.org/2002/07/owl#>.
@prefix dc: <http://purl.org/dc/elements/1.1/>.
@prefix skos: <http://www.w3.org/2004/02/skos/core#>.
@prefix as: <http://semantics.aero/availability-status#>.

<http://semantics.aero/availability-status>
	rdf:type owl:Ontology;
	dc:title "Service Availability Status"@en;
	dc:alternative "服务可用性状态"@zh;
	dc:version "2.0.1";
	dc:description "A classification of services based on their current, past, or future availability for provisioning.";
	dc:creator "Carol Uri (The SEMCON Group, LLC)";
	dc:creator "Mark Kaplun (FAA)";
	dc:creator "Wen Zhu (NIRA Inc.)";
	dc:creator "Pedro Fernandez Sancho (EUROCONTROL)";
	dc:publisher "FAA-SESAR CP2.1";
	dc:issued "2018-01-02";
	skos:changeNote [
		rdf:value "Added Chinese labels for terms."@en;
		dc:publisher "FAA";	
		dc:date "2018-02-27" 
	];	
	dc:format "RDF".

as:availability-status a skos:Concept;
	skos:prefLabel "availability status"@en;
	skos:altLabel "service availability status"@en;
	skos:altLabel "服务可用性状态"@zh;
	skos:definition "An indication of the service's availability for provisioning.";
	skos:narrower as:prospective;
	skos:narrower as:operational;
	skos:narrower as:retired.
	
as:prospective a skos:Concept;
	skos:prefLabel "prospective"@en;
	skos:altLabel "预期"@zh;	
	skos:definition "This status indicates that the service is being designed, developed, or tested for operational activities and is expected to be available in the future.".

as:operational a skos:Concept;
	skos:prefLabel "operational"@en;
	skos:altLabel "运行"@zh;		
	skos:definition "This status indicates that the service is employed in its operational environment, monitored for satisfactory performance, and modified as necessary to correct problems or to respond to changing requirements.".

as:retired a skos:Concept;
	skos:prefLabel "retired"@en;
	skos:altLabel "退休"@zh;		
	skos:definition "This status indicates that active support for the service has been withdrawn, the service has been partially or totally replaced by a new service, or an upgraded service has been installed.".