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GeoSPARQL Extensions Ontology

Metadata

IRI
http://linked.data.gov.au/def/geox
Publisher(s)
CSIRO
Creator(s)
Simon J D Cox Orcid logo (simon.cox@csiro.au) of CSIRO
Nicholas J Car Orcid logo (nicholas.car@surroundaustralia.com) of Surround Australia
Created
2019-01-08
Modified
2020-06-24
Version IRI
http://linked.data.gov.au/def/geox/1.3
Imports
http://linked.data.gov.au/def/datatype
http://www.opengis.net/ont/geosparql
Ontology RDF
RDF (turtle)
Code Repository
https://github.com/CSIRO-enviro-informatics/geosparql-ext-ont

Description

An extension to GeoSPARQL with new features for the representation of additional elements of feature geometry, such as spatial-resolution, length, area and volume.

Table of Contents

  1. Classes
  2. Object Properties
  3. Datatype Properties
  4. Named Individuals
  5. Namespaces
  6. Legend

Overview

Figure 1: Ontology overview

Classes ↑

Bounding boxc

IRI http://linked.data.gov.au/def/geox#BBox
Description

The two corners should be specified using the same CRS.

The edges/faces of the box align with the axes of the CRS used for the corners.
Example 
                      
ex:BB99
      rdf:type geox:BBox ;
      geox:lowerLeft "<http://www.opengis.net/def/crs/OGC/1.3/CRS84> POINT(138 -29.5)"^^geo:wktLiteral ;
      geox:upperRight "<http://www.opengis.net/def/crs/OGC/1.3/CRS84> POINT(155 -9)"^^geo:wktLiteral ;
.
ex:BB88
      rdf:type geox:BBox ;
      geox:lowerLeft "{\"type\":\"Point\",\"coordinates\":[138, -29.179266]}"^^rdf:JSON ;
      geox:upperRight "{\"type\":\"Point\",\"coordinates\":[153.577908, -8.998516]}"^^rdf:JSON ;
.
Super-classes geo:Geometryc
Restrictions geox:upperRightdp exactly 1
geox:lowerLeftdp exactly 1
In domain of geox:upperRightdp
geox:lowerLeftdp
In range of geox:hasBBoxop

Spatial measurec

IRI http://linked.data.gov.au/def/geox#SpatialMeasure
Description

Scalar quantity computed or defined within a specified coordinate reference system
Example 
                      auspix:R7430551
  rdf:type geo:Feature ;
  geox:hasArea [
       rdf:type geox:SpatialMeasure ;
       data:uncertainty 1.5 ;
       data:unit <http://qudt.org/vocab/unit/M2> ;
       data:value 17793623.0 ;
     ] ;
.
Super-classes data:QuantitativeMeasurec
Restrictions geox:inCRSop exactly 1
In range of geox:hasAreaop
geox:hasLengthop
geox:hasVolumeop

Object Properties ↑

has areaop

IRI http://linked.data.gov.au/def/geox#hasArea
Description The area of a spatial object, expressed as a scaled number
Example 
                      
auspix:R7430551
  rdf:type geo:Feature ;
  geox:hasArea [
      data:uncertainty 1.5 ;
      data:unit  ;
      data:value 17793623.0 ;
    ] ;
  geo:hasGeometry [
    rdf:type sf:Polygon ;
    geo:asWKT "POLYGON((131.02880658436214 -25.331112553792963 , 131.06995884773661 -25.331112553792963  , 131.06995884773661 -25.36980468021464 , 131.02880658436214 -25.36980468021464 , 131.02880658436214 -25.331112553792963))"^^geo:wktLiteral ;
    ] ;
  rdfs:seeAlso  ;
.
Domain(s) geo:SpatialObjectc
Range(s) geox:SpatialMeasurec

has area in m2op

IRI http://linked.data.gov.au/def/geox#hasAreaM2
Description The area of the spatial object in m^2
Example 
                      
auspix:R7430551
  rdf:type geo:Feature ;
  geox:hasAreaM2 [
      data:value 17793623.0 ;
    ] ;
  geo:hasGeometry [
    rdf:type sf:Polygon ;
    geo:asWKT "POLYGON((131.02880658436214 -25.331112553792963 , 131.06995884773661 -25.331112553792963  , 131.06995884773661 -25.36980468021464 , 131.02880658436214 -25.36980468021464 , 131.02880658436214 -25.331112553792963))"^^geo:wktLiteral ;
  ] ;
  rdfs:seeAlso  ;
.
Super-properties geox:hasAreaop

has bounding boxop

IRI http://linked.data.gov.au/def/geox#hasBBox
Description the bounding box or envelope of the feature
Example 
                      
auspix:R7430551 a geo:Feature ;
  geox:hasBBox [
      rdf:type geox:BBox ;
      geox:lowerLeft " POINT(131.02880658436214 -25.36980468021464)"^^geo:wktLiteral ;
      geox:upperRight " POINT(131.06995884773661 -25.331112553792963)"^^geo:wktLiteral ;
    ] ;
  geox:hasCentroid [
      rdf:type sf:Point ;
      geo:asWKT "POINT(131.0493827160494, -25.350457086495783)"^^geo:wktLiteral ;
    ] ;
  geo:hasGeometry [
    rdf:type sf:Polygon ;
    geo:asWKT "POLYGON((131.02880658436214 -25.331112553792963 , 131.06995884773661 -25.331112553792963  , 131.06995884773661 -25.36980468021464 , 131.02880658436214 -25.36980468021464 , 131.02880658436214 -25.331112553792963))"^^geo:wktLiteral ;
    ] ;
  rdfs:seeAlso  ;
.
Super-properties geo:hasGeometry
Range(s) geox:BBoxc

has centroidop

IRI http://linked.data.gov.au/def/geox#hasCentroid
Description link to the geometric centroid, which is the arithmetic mean position of all the points in the 2-D figure
Example 
                      
auspix:R7430551 a geo:Feature ;
  geox:hasCentroid [
      rdf:type sf:Point ;
      geo:asWKT "POINT(131.0493827160494, -25.350457086495783)"^^geo:wktLiteral ;
    ] ;
  geo:hasGeometry [
    rdf:type sf:Polygon ;
    geo:asWKT "POLYGON((131.02880658436214 -25.331112553792963 , 131.06995884773661 -25.331112553792963  , 131.06995884773661 -25.36980468021464 , 131.02880658436214 -25.36980468021464 , 131.02880658436214 -25.331112553792963))"^^geo:wktLiteral ;
    ] ;
  rdfs:seeAlso  ;
.
Super-properties geo:hasGeometry
Range(s) http://www.opengis.net/ont/sf#Pointc http://www.opengis.net/ont/gml#Pointc

has lengthop

IRI http://linked.data.gov.au/def/geox#hasLength
Description The length of a spatial object, expressed as a scaled number
Example 
                      
my:road456
  :hasLength [
    data:uncertainty 5.0 ;
    data:unit  ;
    data:value 234.0 ;
  ] ;
.
Domain(s) geo:SpatialObjectc
Range(s) geox:SpatialMeasurec

has length in mop

IRI http://linked.data.gov.au/def/geox#hasLengthM
Description The length of a spatial object in metres
Example 
                      
my:road456
  :hasLengthM [
    data:value 234.0 ;
  ] ;
.
Super-properties geox:hasLengthop

has spatial resolutionop

IRI http://linked.data.gov.au/def/geox#hasResolution
Description The spatial resolution of the Geometry object, expressed as a linear measurement.
Example 
                      
my:image456
  :hasResolution [
    data:unit  ;
    data:value 30.0 ;
  ] ;
.
Domain(s) geo:Geometryc
Range(s) data:QuantitativeMeasurec

has spatial resolution in metresop

IRI http://linked.data.gov.au/def/geox#hasResolutionM
Description The spatial resolution of the Geometry object, expressed as a linear distance in metres
Example 
                      
my:image456
  :hasResolutionM [
    data:value 30.0 ;
  ] ;
.
Super-properties geox:hasResolutionop
Domain(s) geo:Geometryc

has volumeop

IRI http://linked.data.gov.au/def/geox#hasVolume
Description The volume of a spatial object, expressed as a scaled number
Example 
                      
my:swimmingPool99
  :hasVolume [
    data:unit  ;
    data:value 3050.0 ;
  ] ;
.
Domain(s) geo:SpatialObjectc
Range(s) geox:SpatialMeasurec

has volume in m3op

IRI http://linked.data.gov.au/def/geox#hasVolumeM3
Description The volume of a spatial object in cubic-metres
Example 
                      
my:swimmingPool99
  :hasVolumeM3 [
    data:value 3050.0 ;
  ] ;
.
Super-properties geox:hasVolumeop

In Coordinate Reference Systemop

IRI http://linked.data.gov.au/def/geox#inCRS
Description Geometry, position or measure is defined or computed using this CRS. The CRS should be denoted by a URI Reference to a CRS definition, e.g. https://www.opengis.net/def/crs/EPSG/0/4326
Example 
                      
auspix:R7430551
  rdf:type geo:Feature ;
  geox:hasArea [
      rdf:type geox:SpatialMeasure ;
      data:uncertainty 1.5 ;
      data:unit  ;
      data:value 17793623.0 ;
      geox:inCRS  ;
    ] ;
.

is geometry ofop

IRI http://linked.data.gov.au/def/geox#isGeometryOf
Description link from a geometry object to the feature(s) for which it is a geometry
Example 
                      
ex:PR7430551
  rdf:type sf:Polygon ;
  geo:asWKT "POLYGON((131.02880658436214 -25.331112553792963 , 131.06995884773661 -25.331112553792963  , 131.06995884773661 -25.36980468021464 , 131.02880658436214 -25.36980468021464 , 131.02880658436214 -25.331112553792963))"^^geo:wktLiteral ;
	geox:isGeometryOf auspix:R7430551 ;
  rdfs:seeAlso  ;
.
Inverse properties geo:hasGeometry
Domain(s) geo:Geometryc
Range(s) geo:Featurec

transitiveSfOverlapop

IRI http://linked.data.gov.au/def/geox#transitiveSfOverlap
Description The domain object overlaps (geo:sfOverlaps) the range object by virtue of both objects containing (geo:sfContains) an intermediary object.
Super-properties geo:sfOverlaps
Domain(s) geo:SpatialObjectc
Range(s) geo:SpatialObjectc

Datatype Properties ↑

asDGGSdp

IRI http://linked.data.gov.au/def/geox#asDGGS
Description The serialization of a geometry as a list of DGGS cell identifiers
Example 
                      
ex:G99 a geo:Geometry ;
  geox:asDGGS "R7430550 R7430551 R7430552"^^dggsLiteral ;     # rHealPIX identifiers
.
Super-properties geo:hasSerialization
Domain(s) geo:Geometryc
Range(s) geox:dggsLiteralc

lower-leftdp

IRI http://linked.data.gov.au/def/geox#lowerLeft
Description position of lower-left corner of box, expressed as a POINT.
Example 
                      
 <>  geox:lowerLeft " POINT(138 -29.5)"^^geo:wktLiteral .
 <>  geox:lowerLeft "POINT(138 -29.5)"^^geo:wktLiteral .
Domain(s) geox:BBoxc
Range(s) rdfs:Literalc

upper-rightdp

IRI http://linked.data.gov.au/def/geox#upperRight
Description position of upper-right corner of box, expressed as a POINT.
Example 
                      
<>      geox:upperRight "POINT(155 -9)"^^geo:wktLiteral .
<>      geox:upperRight " POINT(155 -9)"^^geo:wktLiteral .
Domain(s) geox:BBoxc
Range(s) rdfs:Literalc

Named Individuals ↑

0000-0002-3884-3420ni

Classes(s)
sdo:Person
IRI https://orcid.org/0000-0002-3884-3420

0000-0002-8742-7730ni

Classes(s)
sdo:Person
IRI https://orcid.org/0000-0002-8742-7730

03qn8fb07ni

Classes(s)
sdo:Organization
IRI https://ror.org/03qn8fb07

Namespaces ↑

default (:)
http://linked.data.gov.au/def/geox#
auspix
http://pid.geoscience.gov.au/dggs/ausPIX/
data
http://linked.data.gov.au/def/datatype/
dcterms
http://purl.org/dc/terms/
geo
http://www.opengis.net/ont/geosparql#
geox
http://linked.data.gov.au/def/geox#
owl
http://www.w3.org/2002/07/owl#
prov
http://www.w3.org/ns/prov#
rdf
http://www.w3.org/1999/02/22-rdf-syntax-ns#
rdfs
http://www.w3.org/2000/01/rdf-schema#
sdo
https://schema.org/
skos
http://www.w3.org/2004/02/skos/core#
xml
http://www.w3.org/XML/1998/namespace
xsd
http://www.w3.org/2001/XMLSchema#

Legend

cClasses
opObject Properties
fpFunctional Properties
dpData Properties
dpAnnotation Properties
pProperties
niNamed Individuals