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: / proc / thread-self / root / lib64 / lv2 / time.lv2 /
Filename : time.ttl
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@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix time: <http://lv2plug.in/ns/ext/time#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<http://lv2plug.in/ns/ext/time>
	a owl:Ontology ;
	rdfs:label "LV2 Time" ;
	rdfs:comment "A vocabulary for describing musical time." ;
	rdfs:seeAlso <time.meta.ttl> .

time:Time
	a rdfs:Class ,
		owl:Class ;
	rdfs:subClassOf time:Position ;
	rdfs:label "Time" ;
	rdfs:comment "A point in time in some unit/dimension." .

time:Position
	a rdfs:Class ,
		owl:Class ;
	rdfs:label "Position" ;
	rdfs:comment "A point in time and/or the speed at which time is passing." .

time:Rate
	a rdfs:Class ,
		owl:Class ;
	rdfs:subClassOf time:Position ;
	rdfs:label "Rate" ;
	rdfs:comment "The rate of passage of time." .

time:position
	a rdf:Property ,
		owl:ObjectProperty ,
		owl:FunctionalProperty ;
	rdfs:range time:Position ;
	rdfs:label "position" ;
	rdfs:comment "A musical position." .

time:barBeat
	a rdf:Property ,
		owl:DatatypeProperty ,
		owl:FunctionalProperty ;
	rdfs:domain time:Time ;
	rdfs:range xsd:float ;
	rdfs:label "beat within bar" ;
	rdfs:comment "The beat number within the bar, from 0 to time:beatsPerBar." .

time:bar
	a rdf:Property ,
		owl:DatatypeProperty ,
		owl:FunctionalProperty ;
	rdfs:domain time:Time ;
	rdfs:range xsd:long ;
	rdfs:label "bar" ;
	rdfs:comment "A musical bar or measure." .

time:beat
	a rdf:Property ,
		owl:DatatypeProperty ,
		owl:FunctionalProperty ;
	rdfs:domain time:Time ;
	rdfs:range xsd:double ;
	rdfs:label "beat" ;
	rdfs:comment "The global running beat number." .

time:beatUnit
	a rdf:Property ,
		owl:DatatypeProperty ,
		owl:FunctionalProperty ;
	rdfs:domain time:Rate ;
	rdfs:range xsd:nonNegativeInteger ;
	rdfs:label "beat unit" ;
	rdfs:comment "The note value that counts as one beat." .

time:beatsPerBar
	a rdf:Property ,
		owl:DatatypeProperty ,
		owl:FunctionalProperty ;
	rdfs:domain time:Rate ;
	rdfs:range xsd:float ;
	rdfs:label "beats per bar" ;
	rdfs:comment "The number of beats in one bar." .

time:beatsPerMinute
	a rdf:Property ,
		owl:DatatypeProperty ,
		owl:FunctionalProperty ;
	rdfs:domain time:Rate ;
	rdfs:range xsd:float ;
	rdfs:label "beats per minute" ;
	rdfs:comment "Tempo in beats per minute." .

time:frame
	a rdf:Property ,
		owl:DatatypeProperty ,
		owl:FunctionalProperty ;
	rdfs:domain time:Time ;
	rdfs:range xsd:long ;
	rdfs:label "frame" ;
	rdfs:comment "A time stamp in audio frames." .

time:framesPerSecond
	a rdf:Property ,
		owl:DatatypeProperty ,
		owl:FunctionalProperty ;
	rdfs:domain time:Rate ;
	rdfs:range xsd:float ;
	rdfs:label "frames per second" ;
	rdfs:comment "Frame rate in frames per second." .

time:speed
	a rdf:Property ,
		owl:DatatypeProperty ,
		owl:FunctionalProperty ;
	rdfs:domain time:Rate ;
	rdfs:range xsd:float ;
	rdfs:label "speed" ;
	rdfs:comment "The rate of the progress of time as a fraction of normal speed." .