Add missing ui:ui and ui:binary property definitions.

Mark up properties more precisely for validation.

6 files changed, 190 insertions, 70 deletions

diff --git a/lv2/lv2plug.in/ns/ext/atom/atom.ttl b/lv2/lv2plug.in/ns/ext/atom/atom.ttl
index bda776d..1a27389 100644
--- a/lv2/lv2plug.in/ns/ext/atom/atom.ttl
+++ b/lv2/lv2plug.in/ns/ext/atom/atom.ttl
@@ -71,7 +71,8 @@ extension.</p>
 
 atom:cType
 	a rdf:Property ,
-		owl:DatatypeProperty ;
+		owl:DatatypeProperty ,
+		owl:FunctionalProperty ;
 	rdfs:label "C type" ;
 	rdfs:domain rdfs:Class ;
 	rdfs:range xsd:string ;
@@ -370,7 +371,9 @@ atom:TimeUnit
 	lv2:documentation "<p>A unit for atom:Event time stamps.</p>" .
 
 atom:frameTime
-	a rdf:Property ;
+	a rdf:Property ,
+		owl:DatatypeProperty ,
+		owl:FunctionalProperty ;
 	rdfs:range xsd:decimal ;
 	rdfs:label "Frame time" ;
 	lv2:documentation """
@@ -378,7 +381,9 @@ atom:frameTime
 """ .
 
 atom:beatTime
-	a rdf:Property ;
+	a rdf:Property ,
+		owl:DatatypeProperty ,
+		owl:FunctionalProperty ;
 	rdfs:range xsd:decimal ;
 	rdfs:label "Beat time" ;
 	lv2:documentation """
@@ -439,7 +444,8 @@ However, to be robust, hosts SHOULD initialise output ports to a safe sentinel
 """ .
 
 atom:bufferType
-	a rdf:Property ;
+	a rdf:Property ,
+		owl:ObjectProperty ;
 	rdfs:domain atom:AtomPort ;
 	rdfs:label "Buffer type" ;
 	lv2:documentation """
@@ -463,7 +469,8 @@ that, use atom:supports.</p>
 """ .
 
 atom:childType
-	a rdf:Property ;
+	a rdf:Property ,
+		owl:ObjectProperty ;
 	rdfs:label "Child type" ;
 	rdfs:comment "The type of a container's children." .
 
diff --git a/lv2/lv2plug.in/ns/ext/midi/midi.ttl b/lv2/lv2plug.in/ns/ext/midi/midi.ttl
index 53f0ea1..02864f4 100644
--- a/lv2/lv2plug.in/ns/ext/midi/midi.ttl
+++ b/lv2/lv2plug.in/ns/ext/midi/midi.ttl
@@ -21,6 +21,7 @@
 @prefix foaf: <http://xmlns.com/foaf/0.1/> .
 @prefix lv2:  <http://lv2plug.in/ns/lv2core#> .
 @prefix midi: <http://lv2plug.in/ns/ext/midi#> .
+@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 xsd:  <http://www.w3.org/2001/XMLSchema#> .
@@ -112,10 +113,10 @@ midi:Aftertouch
 	midi:statusMask "A0"^^xsd:hexBinary ;
 	midi:chunk [
 		midi:byteNumber 0 ;
-		midi:property midi:noteNumber ;
+		midi:property midi:noteNumber
 	] , [
 		midi:byteNumber 1 ;
-		midi:property midi:pressure ;
+		midi:property midi:pressure
 	] .
 
 midi:Bender
@@ -126,7 +127,7 @@ midi:Bender
 	midi:chunk [
 		midi:byteNumber 0 ,
 			1 ;
-		midi:property midi:benderValue ;
+		midi:property midi:benderValue
 	] .
 
 midi:ChannelPressure
@@ -136,7 +137,7 @@ midi:ChannelPressure
 	midi:statusMask "D0"^^xsd:hexBinary ;
 	midi:chunk [
 		midi:byteNumber 0 ;
-		midi:property midi:pressure ;
+		midi:property midi:pressure
 	] .
 
 midi:Chunk
@@ -162,10 +163,10 @@ midi:Controller
 	midi:statusMask "B0"^^xsd:hexBinary ;
 	midi:chunk [
 		midi:byteNumber 0 ;
-		midi:property midi:controllerNumber ;
+		midi:property midi:controllerNumber
 	] , [
 		midi:byteNumber 1 ;
-		midi:property midi:controllerValue ;
+		midi:property midi:controllerValue
 	] .
 
 midi:MidiEvent
@@ -204,10 +205,10 @@ midi:NoteOff
 	midi:statusMask "80"^^xsd:hexBinary ;
 	midi:chunk [
 		midi:byteNumber 0 ;
-		midi:property midi:noteNumber ;
+		midi:property midi:noteNumber
 	] , [
 		midi:byteNumber 1 ;
-		midi:property midi:velocity ;
+		midi:property midi:velocity
 	] .
 
 midi:NoteOn
@@ -217,10 +218,10 @@ midi:NoteOn
 	midi:statusMask "90"^^xsd:hexBinary ;
 	midi:chunk [
 		midi:byteNumber 0 ;
-		midi:property midi:noteNumber ;
+		midi:property midi:noteNumber
 	] , [
 		midi:byteNumber 1 ;
-		midi:property midi:velocity ;
+		midi:property midi:velocity
 	] .
 
 midi:ProgramChange
@@ -230,7 +231,7 @@ midi:ProgramChange
 	midi:statusMask "C0"^^xsd:hexBinary ;
 	midi:chunk [
 		midi:byteNumber 0 ;
-		midi:property midi:programNumber ;
+		midi:property midi:programNumber
 	] .
 
 midi:QuarterFrame
@@ -253,7 +254,7 @@ midi:SongPosition
 	midi:chunk [
 		midi:byteNumber 0 ,
 			1 ;
-		midi:property midi:songPosition ;
+		midi:property midi:songPosition
 	] .
 
 midi:SongSelect
@@ -315,12 +316,15 @@ midi:VoiceMessage
 	midi:statusMask "F0"^^xsd:hexBinary .
 
 midi:benderValue
-	a rdf:Property ;
+	a rdf:Property ,
+		owl:DatatypeProperty ,
+		owl:FunctionalProperty ;
 	rdfs:range xsd:short ;
 	rdfs:comment "The value of a pitch bender (-8192 to 8192)." .
 
 midi:byteNumber
-	a rdf:Property ;
+	a rdf:Property ,
+		owl:DatatypeProperty ;
 	rdfs:domain midi:Chunk ;
 	rdfs:range xsd:unsignedByte ;
 	rdfs:comment "The 0-based index of a byte which is part of this chunk." .
@@ -329,57 +333,77 @@ midi:chunk
 	a rdf:Property ;
 	rdfs:range xsd:byte ,
 		xsd:hexBinary ;
-	rdfs:comment "The exact status byte for a message of this type." .
+	rdfs:comment "A chunk of a MIDI message." .
 
 midi:controllerNumber
-	a rdf:Property ;
+	a rdf:Property ,
+		owl:DatatypeProperty ,
+		owl:FunctionalProperty ;
 	rdfs:range xsd:byte ;
 	rdfs:comment "The numberic ID of a controller (0 to 127)." .
 
 midi:controllerValue
-	a rdf:Property ;
+	a rdf:Property ,
+		owl:DatatypeProperty ,
+		owl:FunctionalProperty ;
 	rdfs:range xsd:byte ;
 	rdfs:comment "The value of a controller (0 to 127)." .
 
 midi:noteNumber
-	a rdf:Property ;
+	a rdf:Property ,
+		owl:DatatypeProperty ,
+		owl:FunctionalProperty ;
 	rdfs:range xsd:byte ;
-	rdfs:comment "The numeric ID of a controller (0 to 127)." .
+	rdfs:comment "The numeric ID of a note (0 to 127)." .
 
 midi:pressure
-	a rdf:Property ;
+	a rdf:Property ,
+		owl:DatatypeProperty ,
+		owl:FunctionalProperty ;
 	rdfs:range xsd:byte ;
 	rdfs:comment "Key pressure (0 to 127)." .
 
 midi:programNumber
-	a rdf:Property ;
+	a rdf:Property ,
+		owl:DatatypeProperty ,
+		owl:FunctionalProperty ;
 	rdfs:range xsd:byte ;
 	rdfs:comment "The numeric ID of a program (0 to 127)." .
 
 midi:property
-	a rdf:Property ;
+	a rdf:Property ,
+		owl:ObjectProperty ,
+		owl:FunctionalProperty ;
 	rdfs:domain midi:Chunk ;
 	rdfs:range rdf:Property ;
 	rdfs:comment "The property this chunk represents." .
 
 midi:songNumber
-	a rdf:Property ;
+	a rdf:Property ,
+		owl:DatatypeProperty ,
+		owl:FunctionalProperty ;
 	rdfs:range xsd:byte ;
 	rdfs:comment "The numeric ID of a song (0 to 127)." .
 
 midi:songPosition
-	a rdf:Property ;
+	a rdf:Property ,
+		owl:DatatypeProperty ,
+		owl:FunctionalProperty ;
 	rdfs:range xsd:short ;
 	rdfs:comment "Song position in MIDI beats (16th notes) (-8192 to 8192)." .
 
 midi:status
-	a rdf:Property ;
+	a rdf:Property ,
+		owl:DatatypeProperty ,
+		owl:FunctionalProperty ;
 	rdfs:range xsd:byte ,
 		xsd:hexBinary ;
 	rdfs:comment "The exact status byte for a message of this type." .
 
 midi:statusMask
-	a rdf:Property ;
+	a rdf:Property ,
+		owl:DatatypeProperty ,
+		owl:FunctionalProperty ;
 	rdfs:range xsd:byte ,
 		xsd:hexBinary ;
 	rdfs:comment """
@@ -387,6 +411,8 @@ The status byte for a message of this type on channel 1, i.e. a status byte
 with the lower nibble set to zero.""" .
 
 midi:velocity
-	a rdf:Property ;
+	a rdf:Property ,
+		owl:DatatypeProperty ,
+		owl:FunctionalProperty ;
 	rdfs:range xsd:byte ;
 	rdfs:comment "The velocity of a note message (0 to 127)." .
diff --git a/lv2/lv2plug.in/ns/ext/patch/patch.ttl b/lv2/lv2plug.in/ns/ext/patch/patch.ttl
index f5eef6c..9e60939 100644
--- a/lv2/lv2plug.in/ns/ext/patch/patch.ttl
+++ b/lv2/lv2plug.in/ns/ext/patch/patch.ttl
@@ -31,7 +31,7 @@
 	doap:name "LV2 Patch" ;
 	doap:release [
 		doap:created "2012-02-08" ;
-		doap:revision "0.1" ;
+		doap:revision "0.1"
 	] ;
 	doap:shortdesc "Messages for accessing and manipulating properties." ;
 	lv2:documentation """
@@ -156,7 +156,7 @@ patch:Insert
 	rdfs:subClassOf [
 		a owl:Restriction ;
 		owl:maxCardinality 1 ;
-		owl:onProperty patch:subject ;
+		owl:onProperty patch:subject
 	] ;
 	lv2:documentation """
 <p>Insert the patch:body at patch:subject.  If the subject does not exist, it is
@@ -176,11 +176,11 @@ patch:Move
 	rdfs:subClassOf [
 		a owl:Restriction ;
 		owl:maxCardinality 1 ;
-		owl:onProperty patch:subject ;
+		owl:onProperty patch:subject
 	] , [
 		a owl:Restriction ;
 		owl:cardinality 1 ;
-		owl:onProperty patch:destination ;
+		owl:onProperty patch:destination
 	] ;
 	lv2:documentation """
 <p>Move the patch:subject to patch:destination.  After this, patch:destination has
@@ -195,15 +195,15 @@ patch:Patch
 	[
 		a owl:Restriction ;
 		owl:minCardinality 1 ;
-		owl:onProperty patch:subject ;
+		owl:onProperty patch:subject
 	] , [
 		a owl:Restriction ;
 		owl:maxCardinality 1 ;
-		owl:onProperty patch:add ;
+		owl:onProperty patch:add
 	] , [
 		a owl:Restriction ;
 		owl:maxCardinality 1 ;
-		owl:onProperty patch:remove ;
+		owl:onProperty patch:remove
 	] ;
 	lv2:documentation """
 <p>A method for modifying the properties of an object.</p>
@@ -236,7 +236,7 @@ patch:Put
 	rdfs:subClassOf [
 		a owl:Restriction ;
 		owl:maxCardinality 1 ;
-		owl:onProperty patch:subject ;
+		owl:onProperty patch:subject
 	] ;
 	lv2:documentation """
 <p>Put the patch:body as the patch:subject.  If the subject does not already exist,
@@ -268,7 +268,7 @@ patch:Set
 	[
 		a owl:Restriction ;
 		owl:cardinality 1 ;
-		owl:onProperty patch:body ;
+		owl:onProperty patch:body
 	] ;
 	lv2:documentation """
 <p>A method for setting properties of an object to unique values.</p>
@@ -309,12 +309,14 @@ patch is equivalent to:</p>
 
 patch:add
 	a rdf:Property ,
-		owl:ObjectProperty ;
+		owl:ObjectProperty ,
+		owl:FunctionalProperty ;
 	rdfs:domain patch:Message .
 
 patch:body
 	a rdf:Property ,
-		owl:ObjectProperty ;
+		owl:ObjectProperty ,
+		owl:FunctionalProperty ;
 	rdfs:domain patch:Message ;
 	lv2:documentation """
 <p>The body of a message.</p>
@@ -325,12 +327,14 @@ part of.</p>
 
 patch:destination
 	a rdf:Property ,
-		owl:ObjectProperty ;
+		owl:ObjectProperty ,
+		owl:FunctionalProperty ;
 	rdfs:domain patch:Message .
 
 patch:request
 	a rdf:Property ,
-		owl:ObjectProperty ;
+		owl:ObjectProperty ,
+		owl:FunctionalProperty ;
 	rdfs:domain patch:Response ;
 	rdfs:range patch:Request ;
 	lv2:documentation """
@@ -339,10 +343,12 @@ patch:request
 
 patch:subject
 	a rdf:Property ,
-		owl:ObjectProperty ;
+		owl:ObjectProperty ,
+		owl:FunctionalProperty ;
 	rdfs:domain patch:Message .
 
 patch:remove
 	a rdf:Property ,
-		owl:ObjectProperty ;
+		owl:ObjectProperty ,
+		owl:FunctionalProperty ;
 	rdfs:domain patch:Message .
diff --git a/lv2/lv2plug.in/ns/ext/port-groups/port-groups.ttl b/lv2/lv2plug.in/ns/ext/port-groups/port-groups.ttl
index a827c3f..005f64f 100644
--- a/lv2/lv2plug.in/ns/ext/port-groups/port-groups.ttl
+++ b/lv2/lv2plug.in/ns/ext/port-groups/port-groups.ttl
@@ -92,8 +92,8 @@ An element of a group, which has a designation and an optional index.
 """ .
 
 pg:element
-	a rdf:Property ;
-	rdfs:domain pg:Group ;
+	a rdf:Property ,
+		owl:ObjectProperty ;
 	rdfs:range pg:Element ;
 	rdfs:label "element" ;
 	rdfs:comment """
@@ -102,7 +102,8 @@ designation with a possible index).
 """ .
 
 pg:sideChainOf
-	a rdf:Property ;
+	a rdf:Property ,
+		owl:ObjectProperty ;
 	rdfs:label "Side-chain of" ;
 	rdfs:comment """
 Indicates that this port or group should be considered a "side chain" of
@@ -112,7 +113,9 @@ some other group, rather than an independent input itself.
 """ .
 
 pg:subGroupOf
-	a rdf:Property ;
+	a rdf:Property ,
+		owl:ObjectProperty ,
+		owl:FunctionalProperty ;
 	rdfs:domain pg:Group ;
 	rdfs:range pg:Group ;
 	rdfs:label "Sub-group of" ;
@@ -125,7 +128,8 @@ symbol.
 """ .
 
 pg:source
-	a rdf:Property ;
+	a rdf:Property ,
+		owl:ObjectProperty ;
 	rdfs:domain pg:OutputGroup ;
 	rdfs:range pg:InputGroup ;
 	rdfs:label "Source" ;
@@ -139,6 +143,7 @@ types, e.g. a mono->stereo plugin.
 
 pg:mainInput
 	a rdf:Property ,
+		owl:ObjectProperty ,
 		owl:FunctionalProperty ;
 	rdfs:domain lv2:Plugin ;
 	rdfs:range pg:InputGroup ;
@@ -151,6 +156,7 @@ more than one pg:mainInput property.
 
 pg:mainOutput
 	a rdf:Property ,
+		owl:ObjectProperty ,
 		owl:FunctionalProperty ;
 	rdfs:domain lv2:Plugin ;
 	rdfs:range pg:OutputGroup ;
@@ -161,7 +167,9 @@ output group SHOULD have the main input group as a pg:source.
 """ .
 
 pg:group
-	a rdf:Property ;
+	a rdf:Property ,
+		owl:ObjectProperty ,
+		owl:FunctionalProperty ;
 	rdfs:domain lv2:Port ;
 	rdfs:range pg:Group ;
 	rdfs:label "In port group" ;
@@ -426,6 +434,54 @@ pg:SevenPointOneWideGroup
 		lv2:designation pg:lowFrequencyEffects
 	] .
 
+amb:ACN0
+	a lv2:Channel .
+
+amb:ACN1
+	a lv2:Channel .
+
+amb:ACN2
+	a lv2:Channel .
+
+amb:ACN3
+	a lv2:Channel .
+
+amb:ACN4
+	a lv2:Channel .
+
+amb:ACN5
+	a lv2:Channel .
+
+amb:ACN6
+	a lv2:Channel .
+
+amb:ACN7
+	a lv2:Channel .
+
+amb:ACN8
+	a lv2:Channel .
+
+amb:ACN9
+	a lv2:Channel .
+
+amb:ACN10
+	a lv2:Channel .
+
+amb:ACN11
+	a lv2:Channel .
+
+amb:ACN12
+	a lv2:Channel .
+
+amb:ACN13
+	a lv2:Channel .
+
+amb:ACN14
+	a lv2:Channel .
+
+amb:ACN15
+	a lv2:Channel .
+
 pg:AmbisonicGroup
 	a rdfs:Class ;
 	rdfs:subClassOf pg:Group ;
diff --git a/lv2/lv2plug.in/ns/ext/resize-port/resize-port.ttl b/lv2/lv2plug.in/ns/ext/resize-port/resize-port.ttl
index 6b10a4d..72f81a2 100644
--- a/lv2/lv2plug.in/ns/ext/resize-port/resize-port.ttl
+++ b/lv2/lv2plug.in/ns/ext/resize-port/resize-port.ttl
@@ -16,6 +16,7 @@
 @prefix doap: <http://usefulinc.com/ns/doap#> .
 @prefix foaf: <http://xmlns.com/foaf/0.1/> .
 @prefix lv2:  <http://lv2plug.in/ns/lv2core#> .
+@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 rsz:  <http://lv2plug.in/ns/ext/resize-port#> .
@@ -44,7 +45,8 @@ amount of space required for a particular port buffer.</p>
 """ .
 
 rsz:asLargeAs
-	a rdf:Property ;
+	a rdf:Property ,
+		owl:DatatypeProperty ;
 	rdfs:domain lv2:Port ;
 	rdfs:range lv2:Symbol ;
 	rdfs:label "as large as" ;
@@ -62,9 +64,11 @@ enough to copy I, or NULL if the port is lv2:connectionOptional.
 """ .
 
 rsz:minimumSize
-	a rdf:Property ;
+	a rdf:Property ,
+		owl:DatatypeProperty ,
+		owl:FunctionalProperty ;
 	rdfs:domain lv2:Port ;
-	rdfs:range lv2:Symbol ;
+	rdfs:range xsd:nonNegativeInteger ;
 	rdfs:label "minimum size" ;
 	rdfs:comment """
 Indicates that a port requires a buffer at least this large, in bytes.
diff --git a/lv2/lv2plug.in/ns/ext/time/time.ttl b/lv2/lv2plug.in/ns/ext/time/time.ttl
index 4f21505..db6a3c1 100644
--- a/lv2/lv2plug.in/ns/ext/time/time.ttl
+++ b/lv2/lv2plug.in/ns/ext/time/time.ttl
@@ -13,12 +13,13 @@
 # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 
-@prefix time: <http://lv2plug.in/ns/ext/time#> .
 @prefix doap: <http://usefulinc.com/ns/doap#> .
 @prefix foaf: <http://xmlns.com/foaf/0.1/> .
 @prefix lv2:  <http://lv2plug.in/ns/lv2core#> .
+@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>
@@ -50,7 +51,7 @@ The meter describes how many beats are in one bar.</p>
 
 time:Time
 	a rdfs:Class ;
-    rdfs:subClassOf time:Position ;
+	rdfs:subClassOf time:Position ;
 	rdfs:label "A point in time" ;
 	rdfs:comment "A point in time in some unit/dimension." .
 
@@ -63,73 +64,93 @@ both a point and a speed, which precisely defines a time within a timeline.</p>
 
 time:Rate
 	a rdfs:Class ;
-    rdfs:subClassOf time:Position ;
+	rdfs:subClassOf time:Position ;
 	rdfs:label "Rate" ;
 	lv2:documentation """
 <p>The rate of passage of time in terms of one unit with respect to
 another.</p> """ .
 
 time:position
-	a rdf:Property ;
+	a rdf:Property ,
+		owl:ObjectProperty ,
+		owl:FunctionalProperty ;
 	rdfs:range time:Position ;
 	rdfs:label "Position in time" .
 
 time:barBeat
-	a rdf:Property ;
+	a rdf:Property ,
+		owl:DatatypeProperty ,
+		owl:FunctionalProperty ;
 	rdfs:domain time:Time ;
 	rdfs:range xsd:float ;
 	rdfs:label "Beat within this bar" ;
 	rdfs:comment "The beat number within the bar, from 0 to beatsPerBar." .
 
 time:bar
-	a rdf:Property ;
+	a rdf:Property ,
+		owl:DatatypeProperty ,
+		owl:FunctionalProperty ;
 	rdfs:domain time:Time ;
 	rdfs:range xsd:long ;
 	rdfs:label "Global position in bars" .
 
 time:beat
-	a rdf:Property ;
+	a rdf:Property ,
+		owl:DatatypeProperty ,
+		owl:FunctionalProperty ;
 	rdfs:domain time:Time ;
 	rdfs:range xsd:double ;
 	rdfs:label "Global position in beats" .
 
 time:beatUnit
-	a rdf:Property ;
+	a rdf:Property ,
+		owl:DatatypeProperty ,
+		owl:FunctionalProperty ;
 	rdfs:domain time:Rate ;
-	rdfs:range xsd:double ;
+	rdfs:range xsd:nonNegativeInteger ;
 	lv2:documentation """
 <p>Beat unit, the note value that counts as one beat.  This is the bottom number
 in a time signature: 2 for half note, 4 for quarter note, and so on.</p>
 """ .
 
 time:beatsPerBar
-	a rdf:Property ;
+	a rdf:Property ,
+		owl:DatatypeProperty ,
+		owl:FunctionalProperty ;
 	rdfs:domain time:Rate ;
 	rdfs:range xsd:float ;
 	rdfs:label "Beats per bar" .
 
 time:beatsPerMinute
-	a rdf:Property ;
+	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 ;
+	a rdf:Property ,
+		owl:DatatypeProperty ,
+		owl:FunctionalProperty ;
 	rdfs:domain time:Time ;
 	rdfs:range xsd:long ;
 	rdfs:label "Global position in frames" .
 
 time:framesPerSecond
-	a rdf:Property ;
+	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 ;
+	a rdf:Property ,
+		owl:DatatypeProperty ,
+		owl:FunctionalProperty ;
 	rdfs:domain time:Rate ;
 	rdfs:range xsd:float ;
 	rdfs:label "Speed" ;