# baseURI: http://resource.geosciml.org/ontology/timescale/thors
# imports: http://purl.org/dc/elements/1.1/
# prefix: thors

<http://resource.geosciml.org/ontology/timescale/thors#previousEra> <http://www.w3.org/2002/07/owl#inverseOf> <http://resource.geosciml.org/ontology/timescale/thors#end> .
<http://resource.geosciml.org/ontology/timescale/thors#previousEra> <http://www.w3.org/2000/01/rdf-schema#subPropertyOf> <http://www.w3.org/2004/02/skos/core#semanticRelation> .
<http://resource.geosciml.org/ontology/timescale/thors#previousEra> <http://www.w3.org/2000/01/rdf-schema#range> <http://resource.geosciml.org/ontology/timescale/thors#Era> .
<http://resource.geosciml.org/ontology/timescale/thors#previousEra> <http://www.w3.org/2000/01/rdf-schema#label> "previous era"@en .
<http://resource.geosciml.org/ontology/timescale/thors#previousEra> <http://www.w3.org/2000/01/rdf-schema#isDefinedBy> <http://resource.geosciml.org/ontology/timescale/thors> .
<http://resource.geosciml.org/ontology/timescale/thors#previousEra> <http://www.w3.org/2000/01/rdf-schema#domain> <http://resource.geosciml.org/ontology/timescale/thors#EraBoundary> .
<http://resource.geosciml.org/ontology/timescale/thors#previousEra> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2002/07/owl#ObjectProperty> .
<http://resource.geosciml.org/ontology/timescale/thors#EraBoundary> <http://www.w3.org/2000/01/rdf-schema#subClassOf> _:B924fdb1d715f2afc431037fb8127ad15 .
<http://resource.geosciml.org/ontology/timescale/thors#EraBoundary> <http://www.w3.org/2000/01/rdf-schema#subClassOf> _:Bbed0463ee104c348800e85849a6243ba .
<http://resource.geosciml.org/ontology/timescale/thors#EraBoundary> <http://www.w3.org/2000/01/rdf-schema#subClassOf> <http://www.w3.org/2004/02/skos/core#Concept> .
<http://resource.geosciml.org/ontology/timescale/thors#EraBoundary> <http://www.w3.org/2000/01/rdf-schema#label> "Time Ordinal Era Boundary" .
<http://resource.geosciml.org/ontology/timescale/thors#EraBoundary> <http://www.w3.org/2000/01/rdf-schema#isDefinedBy> <http://resource.geosciml.org/ontology/timescale/thors> .
<http://resource.geosciml.org/ontology/timescale/thors#EraBoundary> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2002/07/owl#Class> .
<http://resource.geosciml.org/ontology/timescale/thors#member> <http://www.w3.org/2000/01/rdf-schema#subPropertyOf> <http://www.w3.org/2004/02/skos/core#narrower> .
<http://resource.geosciml.org/ontology/timescale/thors#member> <http://www.w3.org/2000/01/rdf-schema#range> <http://resource.geosciml.org/ontology/timescale/thors#Era> .
<http://resource.geosciml.org/ontology/timescale/thors#member> <http://www.w3.org/2000/01/rdf-schema#label> "era member / sub-era"@en .
<http://resource.geosciml.org/ontology/timescale/thors#member> <http://www.w3.org/2000/01/rdf-schema#isDefinedBy> <http://resource.geosciml.org/ontology/timescale/thors> .
<http://resource.geosciml.org/ontology/timescale/thors#member> <http://www.w3.org/2000/01/rdf-schema#domain> <http://resource.geosciml.org/ontology/timescale/thors#Era> .
<http://resource.geosciml.org/ontology/timescale/thors#member> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2002/07/owl#ObjectProperty> .
_:Bbed0463ee104c348800e85849a6243ba <http://www.w3.org/2002/07/owl#onProperty> <http://resource.geosciml.org/ontology/timescale/thors#nextEra> .
_:Bbed0463ee104c348800e85849a6243ba <http://www.w3.org/2002/07/owl#minCardinality> "1"^^<http://www.w3.org/2001/XMLSchema#nonNegativeInteger> .
_:Bbed0463ee104c348800e85849a6243ba <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2002/07/owl#Restriction> .
<http://resource.geosciml.org/ontology/timescale/thors#system> <http://www.w3.org/2002/07/owl#inverseOf> <http://resource.geosciml.org/ontology/timescale/thors#component> .
<http://resource.geosciml.org/ontology/timescale/thors#system> <http://www.w3.org/2000/01/rdf-schema#subPropertyOf> <http://www.w3.org/2004/02/skos/core#topConceptOf> .
<http://resource.geosciml.org/ontology/timescale/thors#system> <http://www.w3.org/2000/01/rdf-schema#range> <http://resource.geosciml.org/ontology/timescale/thors#ReferenceSystem> .
<http://resource.geosciml.org/ontology/timescale/thors#system> <http://www.w3.org/2000/01/rdf-schema#label> "system"@en .
<http://resource.geosciml.org/ontology/timescale/thors#system> <http://www.w3.org/2000/01/rdf-schema#isDefinedBy> <http://resource.geosciml.org/ontology/timescale/thors> .
<http://resource.geosciml.org/ontology/timescale/thors#system> <http://www.w3.org/2000/01/rdf-schema#domain> <http://resource.geosciml.org/ontology/timescale/thors#Era> .
<http://resource.geosciml.org/ontology/timescale/thors#system> <http://www.w3.org/2000/01/rdf-schema#comment> "reference system that this era belongs to" .
<http://resource.geosciml.org/ontology/timescale/thors#system> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2002/07/owl#ObjectProperty> .
_:B924fdb1d715f2afc431037fb8127ad15 <http://www.w3.org/2002/07/owl#onProperty> <http://resource.geosciml.org/ontology/timescale/thors#previousEra> .
_:B924fdb1d715f2afc431037fb8127ad15 <http://www.w3.org/2002/07/owl#minCardinality> "1"^^<http://www.w3.org/2001/XMLSchema#nonNegativeInteger> .
_:B924fdb1d715f2afc431037fb8127ad15 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2002/07/owl#Restriction> .
_:B657d60bae988702d8beb5f329698af60 <http://www.w3.org/2002/07/owl#onProperty> <http://resource.geosciml.org/ontology/timescale/thors#referencePoint> .
_:B657d60bae988702d8beb5f329698af60 <http://www.w3.org/2002/07/owl#minCardinality> "2"^^<http://www.w3.org/2001/XMLSchema#nonNegativeInteger> .
_:B657d60bae988702d8beb5f329698af60 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2002/07/owl#Restriction> .
<http://resource.geosciml.org/ontology/timescale/thors#referencePoint> <http://www.w3.org/2000/01/rdf-schema#subPropertyOf> <http://www.w3.org/2004/02/skos/core#hasTopConcept> .
<http://resource.geosciml.org/ontology/timescale/thors#referencePoint> <http://www.w3.org/2000/01/rdf-schema#range> <http://resource.geosciml.org/ontology/timescale/thors#EraBoundary> .
<http://resource.geosciml.org/ontology/timescale/thors#referencePoint> <http://www.w3.org/2000/01/rdf-schema#label> "reference point in timescale" .
<http://resource.geosciml.org/ontology/timescale/thors#referencePoint> <http://www.w3.org/2000/01/rdf-schema#isDefinedBy> <http://resource.geosciml.org/ontology/timescale/thors> .
<http://resource.geosciml.org/ontology/timescale/thors#referencePoint> <http://www.w3.org/2000/01/rdf-schema#domain> <http://resource.geosciml.org/ontology/timescale/thors#ReferenceSystem> .
<http://resource.geosciml.org/ontology/timescale/thors#referencePoint> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2002/07/owl#ObjectProperty> .
<http://resource.geosciml.org/ontology/timescale/thors#ReferenceSystem> <http://www.w3.org/2000/01/rdf-schema#subClassOf> _:B657d60bae988702d8beb5f329698af60 .
<http://resource.geosciml.org/ontology/timescale/thors#ReferenceSystem> <http://www.w3.org/2000/01/rdf-schema#subClassOf> _:B578d795db0cdff9fa42b815eb80e0482 .
<http://resource.geosciml.org/ontology/timescale/thors#ReferenceSystem> <http://www.w3.org/2000/01/rdf-schema#subClassOf> <http://www.w3.org/2004/02/skos/core#ConceptScheme> .
<http://resource.geosciml.org/ontology/timescale/thors#ReferenceSystem> <http://www.w3.org/2000/01/rdf-schema#label> "Hierarchical Time Ordinal Reference System" .
<http://resource.geosciml.org/ontology/timescale/thors#ReferenceSystem> <http://www.w3.org/2000/01/rdf-schema#isDefinedBy> <http://resource.geosciml.org/ontology/timescale/thors> .
<http://resource.geosciml.org/ontology/timescale/thors#ReferenceSystem> <http://www.w3.org/2000/01/rdf-schema#comment> "A temporal ordinal reference system is a constrained temporal topological complex, in which the edges are called 'eras'. Each era may be subdivided into one set of eras of the next finer rank. This constraint is required to establish a mono-hierarchy, so that a set of temporal positions defined relative to the reference system may be uniquely ordered." .
<http://resource.geosciml.org/ontology/timescale/thors#ReferenceSystem> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2002/07/owl#Class> .
<http://resource.geosciml.org/ontology/timescale/thors#end> <http://www.w3.org/2002/07/owl#inverseOf> <http://resource.geosciml.org/ontology/timescale/thors#previousEra> .
<http://resource.geosciml.org/ontology/timescale/thors#end> <http://www.w3.org/2000/01/rdf-schema#subPropertyOf> <http://www.w3.org/2004/02/skos/core#semanticRelation> .
<http://resource.geosciml.org/ontology/timescale/thors#end> <http://www.w3.org/2000/01/rdf-schema#range> <http://resource.geosciml.org/ontology/timescale/thors#EraBoundary> .
<http://resource.geosciml.org/ontology/timescale/thors#end> <http://www.w3.org/2000/01/rdf-schema#label> "era end"@en .
<http://resource.geosciml.org/ontology/timescale/thors#end> <http://www.w3.org/2000/01/rdf-schema#isDefinedBy> <http://resource.geosciml.org/ontology/timescale/thors> .
<http://resource.geosciml.org/ontology/timescale/thors#end> <http://www.w3.org/2000/01/rdf-schema#domain> <http://resource.geosciml.org/ontology/timescale/thors#Era> .
<http://resource.geosciml.org/ontology/timescale/thors#end> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2002/07/owl#ObjectProperty> .
_:B39c2783d5fe4a45a746275556d0bcd41 <http://www.w3.org/2002/07/owl#unionOf> _:Bc3c3179296a593ce3d6619d1fcb03ea8 .
_:B39c2783d5fe4a45a746275556d0bcd41 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2002/07/owl#Class> .
_:B7c6ff3c803ea6e1b330a5d62a1a57447 <http://www.w3.org/2002/07/owl#onProperty> <http://resource.geosciml.org/ontology/timescale/thors#begin> .
_:B7c6ff3c803ea6e1b330a5d62a1a57447 <http://www.w3.org/2002/07/owl#cardinality> "1"^^<http://www.w3.org/2001/XMLSchema#nonNegativeInteger> .
_:B7c6ff3c803ea6e1b330a5d62a1a57447 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2002/07/owl#Restriction> .
<http://resource.geosciml.org/ontology/timescale/thors#nextEra> <http://www.w3.org/2002/07/owl#inverseOf> <http://resource.geosciml.org/ontology/timescale/thors#begin> .
<http://resource.geosciml.org/ontology/timescale/thors#nextEra> <http://www.w3.org/2000/01/rdf-schema#subPropertyOf> <http://www.w3.org/2004/02/skos/core#semanticRelation> .
<http://resource.geosciml.org/ontology/timescale/thors#nextEra> <http://www.w3.org/2000/01/rdf-schema#range> <http://resource.geosciml.org/ontology/timescale/thors#Era> .
<http://resource.geosciml.org/ontology/timescale/thors#nextEra> <http://www.w3.org/2000/01/rdf-schema#label> "next era"@en .
<http://resource.geosciml.org/ontology/timescale/thors#nextEra> <http://www.w3.org/2000/01/rdf-schema#isDefinedBy> <http://resource.geosciml.org/ontology/timescale/thors> .
<http://resource.geosciml.org/ontology/timescale/thors#nextEra> <http://www.w3.org/2000/01/rdf-schema#domain> <http://resource.geosciml.org/ontology/timescale/thors#EraBoundary> .
<http://resource.geosciml.org/ontology/timescale/thors#nextEra> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2002/07/owl#ObjectProperty> .
_:B578d795db0cdff9fa42b815eb80e0482 <http://www.w3.org/2002/07/owl#onProperty> <http://resource.geosciml.org/ontology/timescale/thors#component> .
_:B578d795db0cdff9fa42b815eb80e0482 <http://www.w3.org/2002/07/owl#minCardinality> "1"^^<http://www.w3.org/2001/XMLSchema#nonNegativeInteger> .
_:B578d795db0cdff9fa42b815eb80e0482 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2002/07/owl#Restriction> .
_:B5b0d3b673c5bd74ba78f692a40a2c6ea <http://www.w3.org/2002/07/owl#onProperty> <http://resource.geosciml.org/ontology/timescale/thors#end> .
_:B5b0d3b673c5bd74ba78f692a40a2c6ea <http://www.w3.org/2002/07/owl#cardinality> "1"^^<http://www.w3.org/2001/XMLSchema#nonNegativeInteger> .
_:B5b0d3b673c5bd74ba78f692a40a2c6ea <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2002/07/owl#Restriction> .
<http://resource.geosciml.org/ontology/timescale/thors#begin> <http://www.w3.org/2002/07/owl#inverseOf> <http://resource.geosciml.org/ontology/timescale/thors#nextEra> .
<http://resource.geosciml.org/ontology/timescale/thors#begin> <http://www.w3.org/2000/01/rdf-schema#subPropertyOf> <http://www.w3.org/2004/02/skos/core#semanticRelation> .
<http://resource.geosciml.org/ontology/timescale/thors#begin> <http://www.w3.org/2000/01/rdf-schema#range> <http://resource.geosciml.org/ontology/timescale/thors#EraBoundary> .
<http://resource.geosciml.org/ontology/timescale/thors#begin> <http://www.w3.org/2000/01/rdf-schema#label> "era beginning"@en .
<http://resource.geosciml.org/ontology/timescale/thors#begin> <http://www.w3.org/2000/01/rdf-schema#isDefinedBy> <http://resource.geosciml.org/ontology/timescale/thors> .
<http://resource.geosciml.org/ontology/timescale/thors#begin> <http://www.w3.org/2000/01/rdf-schema#domain> <http://resource.geosciml.org/ontology/timescale/thors#Era> .
<http://resource.geosciml.org/ontology/timescale/thors#begin> <http://www.w3.org/2000/01/rdf-schema#comment> "era or interval beginning or start" .
<http://resource.geosciml.org/ontology/timescale/thors#begin> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2002/07/owl#ObjectProperty> .
<http://resource.geosciml.org/ontology/timescale/thors#positionalUncertainty> <http://www.w3.org/2000/01/rdf-schema#label> "uncertainty in temporal position"@en .
<http://resource.geosciml.org/ontology/timescale/thors#positionalUncertainty> <http://www.w3.org/2000/01/rdf-schema#isDefinedBy> <http://resource.geosciml.org/ontology/timescale/thors> .
<http://resource.geosciml.org/ontology/timescale/thors#positionalUncertainty> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2002/07/owl#DatatypeProperty> .
<http://resource.geosciml.org/ontology/timescale/thors#component> <http://www.w3.org/2002/07/owl#inverseOf> <http://resource.geosciml.org/ontology/timescale/thors#system> .
<http://resource.geosciml.org/ontology/timescale/thors#component> <http://www.w3.org/2000/01/rdf-schema#subPropertyOf> <http://www.w3.org/2004/02/skos/core#hasTopConcept> .
<http://resource.geosciml.org/ontology/timescale/thors#component> <http://www.w3.org/2000/01/rdf-schema#range> <http://resource.geosciml.org/ontology/timescale/thors#Era> .
<http://resource.geosciml.org/ontology/timescale/thors#component> <http://www.w3.org/2000/01/rdf-schema#label> "temporal reference system component"@en .
<http://resource.geosciml.org/ontology/timescale/thors#component> <http://www.w3.org/2000/01/rdf-schema#isDefinedBy> <http://resource.geosciml.org/ontology/timescale/thors> .
<http://resource.geosciml.org/ontology/timescale/thors#component> <http://www.w3.org/2000/01/rdf-schema#domain> <http://resource.geosciml.org/ontology/timescale/thors#ReferenceSystem> .
<http://resource.geosciml.org/ontology/timescale/thors#component> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2002/07/owl#ObjectProperty> .
<http://resource.geosciml.org/ontology/timescale/thors#Era> <http://www.w3.org/2000/01/rdf-schema#subClassOf> _:B5b0d3b673c5bd74ba78f692a40a2c6ea .
<http://resource.geosciml.org/ontology/timescale/thors#Era> <http://www.w3.org/2000/01/rdf-schema#subClassOf> _:B7c6ff3c803ea6e1b330a5d62a1a57447 .
<http://resource.geosciml.org/ontology/timescale/thors#Era> <http://www.w3.org/2000/01/rdf-schema#subClassOf> <http://www.w3.org/2004/02/skos/core#Concept> .
<http://resource.geosciml.org/ontology/timescale/thors#Era> <http://www.w3.org/2000/01/rdf-schema#label> "Time Ordinal Era or Interval" .
<http://resource.geosciml.org/ontology/timescale/thors#Era> <http://www.w3.org/2000/01/rdf-schema#isDefinedBy> <http://resource.geosciml.org/ontology/timescale/thors> .
<http://resource.geosciml.org/ontology/timescale/thors#Era> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2002/07/owl#Class> .
<http://resource.geosciml.org/ontology/timescale/thors> <http://www.w3.org/2002/07/owl#priorVersion> <https://www.seegrid.csiro.au/subversion/xmml/ontologies/tags/201402/Geoscience/GeologicTimeScale/thors.rdf> .
<http://resource.geosciml.org/ontology/timescale/thors> <http://www.w3.org/2000/01/rdf-schema#seeAlso> <http://www.geosciml.org> .
<http://resource.geosciml.org/ontology/timescale/thors> <http://purl.org/vocab/vann/preferredNamespacePrefix> "thors" .
<http://resource.geosciml.org/ontology/timescale/thors> <http://purl.org/dc/terms/created> "2011-01-01"^^<http://www.w3.org/2001/XMLSchema#date> .
<http://resource.geosciml.org/ontology/timescale/thors> <http://purl.org/dc/terms/license> <https://creativecommons.org/licenses/by/4.0/> .
<http://resource.geosciml.org/ontology/timescale/thors> <http://purl.org/vocab/vann/preferredNamespaceUri> <http://resource.geosciml.org/ontology/timescale/thors#> .
<http://resource.geosciml.org/ontology/timescale/thors> <http://www.w3.org/2000/01/rdf-schema#seeAlso> <http://dx.doi.org/10.1130/GES00022.1> .
<http://resource.geosciml.org/ontology/timescale/thors> <http://purl.org/dc/elements/1.1/rights> "Copyright © 2012-2017 CSIRO" .
<http://resource.geosciml.org/ontology/timescale/thors> <http://www.w3.org/2004/02/skos/core#changeNote> "2017-04-28 - removed imports of ISO ontologies " .
<http://resource.geosciml.org/ontology/timescale/thors> <http://www.w3.org/2000/01/rdf-schema#comment> "This model is related to the model for TORS in ISO 19108:2002, except that boundaries between eras are first class objects, supporting multiple properties, rather than being just time coordinates. It is also linked to the ISO 19108 Temporal Topology model. " .
<http://resource.geosciml.org/ontology/timescale/thors> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://purl.org/vocommons/voaf#Vocabulary> .
<http://resource.geosciml.org/ontology/timescale/thors> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2002/07/owl#Ontology> .
<http://resource.geosciml.org/ontology/timescale/thors> <http://purl.org/dc/elements/1.1/description> "An OWL representation of the model for Temporal Ordinal Reference Systems defined in GeoSciML v3. " .
<http://resource.geosciml.org/ontology/timescale/thors> <http://purl.org/dc/elements/1.1/creator> "Simon Jonathan David COX, CSIRO Australia" .
<http://resource.geosciml.org/ontology/timescale/thors> <http://www.w3.org/2000/01/rdf-schema#seeAlso> <doi:10.1130/GES00022.1> .
<http://resource.geosciml.org/ontology/timescale/thors> <http://www.w3.org/2002/07/owl#imports> <http://purl.org/dc/elements/1.1/> .
<http://resource.geosciml.org/ontology/timescale/thors> <http://purl.org/dc/elements/1.1/title> "Temporal Hierarchical Ordinal Reference System model" .
<http://resource.geosciml.org/ontology/timescale/thors> <http://www.w3.org/2002/07/owl#versionIRI> <https://github.com/GeoscienceAustralia/geosciml.org/commit/24d302bf3f0fa315c1dddc2c734b84f52299cd02#diff-73b17e22072459ab7e06e9ab664a9d48> .
<http://resource.geosciml.org/ontology/timescale/thors> <http://purl.org/dc/terms/modified> "2017-04-28"^^<http://www.w3.org/2001/XMLSchema#date> .
<http://resource.geosciml.org/ontology/timescale/thors> <http://purl.org/dc/elements/1.1/source> "Simon J.D. Cox and Stephen M. Richard, A formal model for the geologic time scale and global stratotype section and point, compatible with geospatial information transfer standards, Geosphere, 1, 119-137 (2005)" .
<http://resource.geosciml.org/ontology/timescale/thors> <http://www.w3.org/2000/01/rdf-schema#seeAlso> <http://geosphere.gsapubs.org/cgi/doi/10.1130/GES00022.1> .