Perform X3D Ontology query AllDocumentMetaInformation.rq using examples/HelloX3dAuthorsAnimationChain.ttl to produce output file AllDocumentMetaInformation.rq.txt:
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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 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#>

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# AllDocumentMetaInformation.rq    Query to identify all document meta information.

SELECT ?metaName ?metaContent

WHERE
{ 
    ?meta  a x3do:meta ;     # Shorthand expression: a = rdf:type
           x3do:name         ?metaName ;
           x3do:content      ?metaContent .
}

# TODO can we create an equivalent query using :head :hasMeta?

# Note :meta has a :fieldMetaHasParenthead property

###############################################
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| metaName      | metaContent                                                                                                                |
==============================================================================================================================================
| "license"     | "../license.html"                                                                                                          |
| "created"     | "5 October 2000"                                                                                                           |
| "reference"   | "https://www.web3d.org/x3d/content/examples/Basic/course/HelloX3dAuthorsAnimationChain.x3d"                                |
| "generator"   | "X3D-Edit 3.3, https://savage.nps.edu/X3D-Edit"                                                                            |
| "modified"    | "20 October 2019"                                                                                                          |
| "creator"     | "Don Brutzman"                                                                                                             |
| "title"       | "HelloX3dAuthorsAnimationChain.x3d"                                                                                        |
| "description" | "Fully developed animation-chain example showing spinning globe and text: Hello!"                                          |
| "identifier"  | "https://X3dGraphics.com/examples/X3dForWebAuthors/Chapter07EventAnimationInterpolation/HelloX3dAuthorsAnimationChain.x3d" |
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