@prefix : . @prefix owl: . @prefix rdf: . @prefix xml: . @prefix xsd: . @prefix rdfs: . @base . rdf:type owl:Ontology ; _:genid1 ; ; "This ontology is distributed under Attribution-NonCommercial-NoDerivs 4.0 International License"@en ; rdfs:comment """A means to express and record Discrete Global Grid Reference Systems on the web. This ontology depends on the CRS ontology in development at the OGC."""@en ; rdfs:label "Discrete Global Grid Reference Systems ontology"@en . _:genid1 [ "Instituto Superior Técnico, University of Lisbon" ] ; rdfs:seeAlso ; "Luís Moreira de Sousa" . ################################################################# # Annotation properties ################################################################# ### http://purl.org/dc/terms/creator rdf:type owl:AnnotationProperty . ### http://purl.org/dc/terms/license rdf:type owl:AnnotationProperty . ### http://purl.org/dc/terms/rights rdf:type owl:AnnotationProperty . ### http://schema.org/affiliation rdf:type owl:AnnotationProperty . ### http://www.w3.org/1999/02/22-rdf-syntax-ns#comment rdf:comment rdf:type owl:AnnotationProperty . ### http://www.w3.org/1999/02/22-rdf-syntax-ns#label rdf:label rdf:type owl:AnnotationProperty . ### http://xmlns.com/foaf/0.1/name rdf:type owl:AnnotationProperty . ################################################################# # Object Properties ################################################################# ### https://w3id.org/dggrs/basePolyhedron rdf:type owl:ObjectProperty ; rdfs:domain ; rdfs:range ; rdfs:comment """Usually a polyhedron on which faces the datum surface is projected for further sub-division."""@en ; rdfs:label "Base polyhedron of a DGGRS"@en . ### https://w3id.org/dggrs/implements rdf:type owl:ObjectProperty ; rdfs:domain ; rdfs:range ; rdf:comment """Indicates that a particular software software system implements a known DGGRS"""@en ; rdf:label "Implementation of a DGGRS"@en . ### https://w3id.org/dggrs/usesIndex rdf:type owl:ObjectProperty ; rdfs:domain ; rdfs:range ; rdf:comment """Indicates that a particular software software system implements a known DGGRS"""@en ; rdf:label "Indexing mechanism used in a DGGRS"@en . ################################################################# # Data properties ################################################################# ### https://w3id.org/dggrs/aperture rdf:type owl:DatatypeProperty ; rdfs:domain ; rdfs:range [ rdf:type rdfs:Datatype ; owl:onDatatype xsd:integer ; owl:withRestrictions ( [ xsd:minInclusive 2 ] ) ] ; rdfs:comment """The number of zones in the subsequent DGGRS refinement level corresponding to a zone on the current level. Rate of zone sub-division. The higher the number, the ´faster' a DGGRS refines to small zones."""@en ; rdfs:label "DGGRS zone sub-division aperture"@en . ### https://w3id.org/dggrs/zoneShape rdf:type owl:DatatypeProperty ; rdfs:domain ; rdfs:range xsd:string ; rdfs:comment """Usually a regular shape like the hexagon or triangle. May also be a rhombic shape such as the parellelogram."""@en ; rdfs:label "Shape of zones (cells) in a DGGRS"@en . ################################################################# # Classes ################################################################# ### https://w3id.org/geosrsSpatialReferenceSystem rdf:type owl:Class . ### https://w3id.org/dggrs/DGGRS rdf:type owl:Class ; rdfs:subClassOf ; rdfs:comment """A Spatial Reference System composed of a Discrete Global Grid System and a zone (cell) indexing mechanism allowing for discrete but precise location on the surface of the Earth."""@en ; rdfs:label "Discrete Global Grid Reference System (DGGRS)"@en . ### https://w3id.org/dggrs/ImplDGGRS rdf:type owl:Class ; rdfs:comment "A software system implementing a DGGRS. It should at a minimum provide an API to transform a geographic location into a zone (cell) identifier at a given refinement level (resolution), plus its inverse. "@en ; rdfs:label "DGGRS implementation"@en . ### https://w3id.org/dggrs/Index rdf:type owl:Class ; rdfs:comment """A mathematical function, ordering mechanism, or any other method providing a unique identifier to each zone (cell) of a DGGRS, at any refinement level (resolution)."""@en ; rdfs:label "DGGRS indexing mechanism"@en . ### https://w3id.org/dggrs/Polyhedron rdf:type owl:Class ; rdfs:comment """A multi-faceted solid providing a geometric structure to divide a sphere or ellipsoid. The platonic solids are the most commonly used, although alternatives may also be used, such as the truncated icosahedron."""@en ; rdfs:label "Polyhedron"@en . ################################################################# # Individuals ################################################################# ### https://w3id.org/dggrs/dodecahedron rdf:type owl:NamedIndividual , ; rdfs:comment "A solid with twelve equal faces which are pentagons."@en ; rdfs:label "Dodecahedron"@en . ### https://w3id.org/dggrs/gbt rdf:type owl:NamedIndividual , ; rdfs:comment """Indexes hexagonal grid systems of aperture 7. At each refinement level cells rotate circa 20º so that vertices of a cell septet concide with the six vertices of a cell in the previous refinement level."""@en ; rdfs:label "Generalised Balanced Trenary"@en ; rdfs:seeAlso . ### https://w3id.org/dggrs/hexahedron rdf:type owl:NamedIndividual , ; rdfs:comment "A solid with six equal faces which are squares"@en ; rdfs:label "Hexahedron"@en . ### https://w3id.org/dggrs/icosahedron rdf:type owl:NamedIndividual , ; rdfs:comment """A solid with twenty equal faces which are equilateral triangles."""@en ; rdfs:label "Icosahedron"@en . ### https://w3id.org/dggrs/tetrahedron rdf:type owl:NamedIndividual , ; rdfs:comment """A solid with four equal faces which are equilateral triangles."""@en ; rdfs:label "Tetrahedron"@en . ### https://w3id.org/dggrs/z7 rdf:type owl:NamedIndividual , ; rdfs:comment "An index for hexagonal grid systems of aperture 7."@en ; rdfs:label "Z7"@en ; rdfs:seeAlso . ### https://w3id.org/dggrs/9r rdf:type owl:NamedIndividual , ; rdfs:comment """A highly compact index for hexagonal grid systems developed by Ecere and first implemented by DGGAL."""@en ; rdfs:label "9R"@en . ### Generated by the OWL API (version 5.1.18) https://github.com/owlcs/owlapi/