@prefix :        <https://www.web3d.org/x3d/content/examples/Vrml2Sourcebook/Chapter31Prototypes/Figure31_3MaterialExternalPrototypes.ttl#> .
@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 schema:  <http://schema.org/> .
@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix xsd:     <http://www.w3.org/2001/XMLSchema#> .
@prefix x3d:     <https://www.web3d.org/specifications/x3d-4.0.xsd#> .
@prefix x3do:    <https://www.web3d.org/specifications/X3dOntology4.0#> .

:X3D a owl:NamedIndividual, x3do:X3D ;
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  x3do:profile 'Immersive' ;
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  x3do:content 'Figure 31.3, The VRML 2.0 Sourcebook, Copyright [1997] By Andrea L. Ames, David R. Nadeau, and John L. Moreland' ;
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  x3do:content 'Don Brutzman' ;
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:meta_1_5 a owl:NamedIndividual, x3do:meta ;
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  x3do:content '27 September 2000' ;
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:meta_1_6 a owl:NamedIndividual, x3do:meta ;
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  x3do:content '20 October 2019' ;
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:meta dcterms:creator "Figure 31.3, The VRML 2.0 Sourcebook, Copyright [1997] By Andrea L. Ames, David R. Nadeau, and John L. Moreland" .
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  x3do:hasChildren :WorldInfo_2_1, :Transform_2_6, :Transform_2_7, :Transform_2_8, :Transform_2_9 ;
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:WorldInfo_2_1 a owl:NamedIndividual, x3do:WorldInfo ;
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:ExternProtoDeclare_2_3 a owl:NamedIndividual, x3do:ExternProtoDeclare ;
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  x3do:name 'Gold' ;
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  x3do:name 'Aluminum' ;
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  x3do:hasParent :Scene ;
  x3do:name 'Copper' ;
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  x3do:translation ( -3 0 0 ) .
:Shape_2_6_1 a owl:NamedIndividual, x3do:Shape ;
  x3do:hasParent :Transform_2_6 ;
  x3do:hasGeometry :Box_2_6_1_1 ;
  x3do:hasAppearance :Appearance_2_6_1_2 .
:Box_2_6_1_1 a owl:NamedIndividual, x3do:Box ;
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:Appearance_2_6_1_2 a owl:NamedIndividual, x3do:Appearance ;
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  x3do:name 'Aqua' .
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  x3do:translation ( -1 0 0 ) .
:Shape_2_7_1 a owl:NamedIndividual, x3do:Shape ;
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:Sphere_2_7_1_1 a owl:NamedIndividual, x3do:Sphere ;
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:Appearance_2_7_1_2 a owl:NamedIndividual, x3do:Appearance ;
  x3do:hasParent :Shape_2_7_1 ;
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:ProtoInstance_2_7_1_2_1 a owl:NamedIndividual, x3do:ProtoInstance ;
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  x3do:name 'Gold' .
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  x3do:hasParent :Scene ;
  x3do:hasChildren :Shape_2_8_1 ;
  x3do:translation ( 1 0 0 ) .
:Shape_2_8_1 a owl:NamedIndividual, x3do:Shape ;
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:ProtoInstance_2_8_1_2_1 a owl:NamedIndividual, x3do:ProtoInstance ;
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  x3do:translation ( 3 0 0 ) .
:Shape_2_9_1 a owl:NamedIndividual, x3do:Shape ;
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:Appearance_2_9_1_2 a owl:NamedIndividual, x3do:Appearance ;
  x3do:hasParent :Shape_2_9_1 ;
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:ProtoInstance_2_9_1_2_1 a owl:NamedIndividual, x3do:ProtoInstance ;
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  x3do:name 'Copper' .