SRS Ontology

Classes ↑

Coordinate Reference System
Cartesian Coordinate System
Conversion
Coordinate Operation
Coordinate System
Coordinate System Axis
Datum
Ellipsoid
Ellipsoidal Coordinate System
Engineering Coordinate Reference System
General Operation Parameter
General Parameter Value
Geodetic Coordinate Reference System
Geodetic Datum
Geographic Coordinate Reference System
Linear Coordinate System
Operation Method
Operation Parameter
Operation Parameter Value
Ordinal Coordinate System
Parametric Coordinate System
Polar Coordinate System
Prime meridian
Projected Coordinate Reference System
Reference System
Single Coordinate Reference System
Single Operation
Spatial Reference System
Spherical Coordinate System
Transformation
Vertical Coordinate System
Vertical Datum

Coordinate Reference System^c # Classes

URI	`https://w3id.org/geosrs/CRS`
Description	Depending on the spatial dimension of coordinates (1D, 2D, 3D), this piece of metadata is used for specifying the elements of definition associated to a given set of coordinates: its datum, its ellipsoid, its prime meridian, the type of coordinates (geocentric, geographic, projected,...), the coordinates units of measure, when appropriate the cartographic projection used, the vertical coordinate reference system.
Super-classes	Spatial Reference System^c
Sub-classes	Single Coordinate Reference System^c Geographic Coordinate Reference System^c Engineering Coordinate Reference System^c Geodetic Coordinate Reference System^c Projected Coordinate Reference System^c
In domain of	Domain of validity^op Conversion^op Datum^op Coordinate system^op
In range of	Target CRS^op Source CRS^op

Cartesian Coordinate System^c # Classes

URI	`https://w3id.org/geosrs/CartesianCoordinateSystem`
Description	Coordinate system which gives the position of points relative to n mutually perpendicular axes. Cf. ISO 19111:2007:2007-07, tables 15 and 18.
Super-classes	Single Coordinate Reference System^c

Conversion^c # Classes

URI	`https://w3id.org/geosrs/Conversion`
Description	Coordinate operation in which both coordinate reference systems are based on the same datum. Cf. ISO 19111:2007:2007-07, table 45 and annex B.4.2.
Super-classes	Coordinate Operation^c
Sub-classes	Transformation^c
In range of	Conversion^op

Coordinate Operation^c # Classes

URI	`https://w3id.org/geosrs/CoordinateOperation`
Description	Mathematical operation on coordinates, based on one-to-one relationship, that changes coordinates from one coordinate reference system to another. Cf. ISO 19111:2007:2007-07, part 11.1, table 42 and annex B.4.
Super-classes	Operation Method^c
Sub-classes	Single Operation^c Conversion^c
In domain of	Target CRS^op Source CRS^op

Coordinate System^c # Classes

URI	`https://w3id.org/geosrs/CoordinateSystem`
Description	Set of axes that spans a given coordinate space and of mathematical rules for specifying how coordinates are to be assigned to points. Cf. ISO 19111:2007:2007-07, part 9.2, table 17 and annex B.2.
Sub-classes	Vertical Coordinate System^c Ordinal Coordinate System^c
In domain of	Axis^op
In range of	Coordinate system^op

Coordinate System Axis^c # Classes

URI	`https://w3id.org/geosrs/CoordinateSystemAxis`
Description	Axis relative to which a coordinate of a point is specified in a coordinate system. See ISO 19111:2007:2007-07, part 9.3, table 27 and annex B.2.2.

Datum^c # Classes

URI	`https://w3id.org/geosrs/Datum`
Description	Parameter or set of parameters that define the position of the origin, the scale and the orientation of a coordinate system. Cf. ISO 19111:2007:2007-07, part 10.1, table 33 and annex B.3.
Sub-classes	Vertical Datum^c
In domain of	Ellipsoid^op
In range of	Datum^op

Ellipsoid^c # Classes

URI	`https://w3id.org/geosrs/Ellipsoid`
Description	Surface formed by the rotation of an ellipse about its minor axis, defined by a semi-major axis and a flattening parameter and fairly geocentric. NB : It is a mathematical model of the geoid, i.e. the Earth without its relief. Many geodetic ellipsoids exist. Cf. ISO 19111:2007:2007-07, part 10.2.2, table 36 and annex B.3.2.3.
In domain of	semi major axis^dp semi minor axis^dp
In range of	Ellipsoid^op

Ellipsoidal Coordinate System^c # Classes

URI	`https://w3id.org/geosrs/EllipsoidalCoordinateSystem`
Description	Coordinate system which gives the position is specified by geodetic latitude, geodetic longitude and (in the three-dimensional case) ellipsoidal height. Cf. ISO 19111:2007:2007-07, tables 15 and 20.
Super-classes	https://w3id.org/geosrs/cs/OrthogonalCoordinateSystem^c

Engineering Coordinate Reference System^c # Classes

URI	`https://w3id.org/geosrs/EngineeringCRS`
Description	A contextually local coordinate reference system which can be divided into two broad categories: - earth-fixed systems applied to engineering activities on or near the surface of the earth; - CRSs on moving platforms such as road vehicles, vessels, aircraft or spacecraft.
Super-classes	Coordinate Reference System^c

General Operation Parameter^c # Classes

URI	`https://w3id.org/geosrs/GeneralOperationParameter`
Description	Definition of a parameter or group of parameters used by a coordinate operation method.
Sub-classes	Operation Parameter^c

General Parameter Value^c # Classes

URI	`https://w3id.org/geosrs/GeneralParameterValue`
Description	Parameter value or group of parameter values
Sub-classes	Operation Parameter Value^c

Geodetic Coordinate Reference System^c # Classes

URI	`https://w3id.org/geosrs/GeodeticCRS`
Description	Coordinate Reference System associated with a geodetic datum. Cf. ISO 19111:2007:2007-07, part 8.2.2.a, table 10 and annex B.1.2.1.a.
Super-classes	Coordinate Reference System^c
In range of	Base CRS^op

Geodetic Datum^c # Classes

URI	`https://w3id.org/geosrs/GeodeticDatum`
Description	Datum describing the relation of a two- or three-dimensional coordinate system to the Earth. Cf. ISO 19111:2007:2007-07, part 10.2, table 34 and annex B.3.2.

Geographic Coordinate Reference System^c # Classes

URI	`https://w3id.org/geosrs/GeographicCRS`
Description	Coordinate Reference System that has a geodetic reference frame and an ellipsoidal coordinate system
Super-classes	Coordinate Reference System^c

Linear Coordinate System^c # Classes

URI	`https://w3id.org/geosrs/LinearCoordinateSystem`
Description	One-dimensional coordinate system in which a linear feature forms the axis.

Operation Method^c # Classes

URI	`https://w3id.org/geosrs/OperationMethod`
Description	Method used to perform an operation on coordinates. See ISO 19111:2007:2007-07, table 48 and annex B.4.5.
Sub-classes	Coordinate Operation^c

Operation Parameter^c # Classes

URI	`https://w3id.org/geosrs/OperationParameter`
Description	Parameter used by a method to perform an operation on coordinates. Note: Most parameter values are numeric, but other types of parameter values are possible. See ISO 19111:2007:2007-07, table 52 and annex B.4.5.
Super-classes	General Operation Parameter^c

Operation Parameter Value^c # Classes

URI	`https://w3id.org/geosrs/OperationParameterValue`
Description	Value of a parameter used by a method to perform an operation on coordinates. See ISO 19111:2007:2007-07, table 55.
Super-classes	General Parameter Value^c

Ordinal Coordinate System^c # Classes

URI	`https://w3id.org/geosrs/OrdinalCoordinateSystem`
Description	n-dimensional coordinate system in which every axis uses integers.
Super-classes	Coordinate System^c

Parametric Coordinate System^c # Classes

URI	`https://w3id.org/geosrs/ParametricCoordinateSystem`
Description	One-dimensional coordinate system where the axis units are parameter values which are not inherently spatial.
Super-classes	https://w3id.org/geosrs/cs/1DCoordinateSystem^c

Polar Coordinate System^c # Classes

URI	`https://w3id.org/geosrs/PolarCoordinateSystem`
Description	Two-dimensional coordinate system in Euclidean space in which position is specified by one distance coordinate and one angular coordinate.
Super-classes	https://w3id.org/geosrs/cs/PlanarCoordinateSystem^c

Prime meridian^c # Classes

URI	`https://w3id.org/geosrs/PrimeMeridian`
Description	Meridian from which the longitudes of other meridians are quantified. Cf. ISO 19111:2007:2007-07, part 10.2.1, table 35 and annex B.3.2.2.

Projected Coordinate Reference System^c # Classes

URI	`https://w3id.org/geosrs/ProjectedCRS`
Description	Coordinate Reference System derived from a two-dimensional geodetic coordinate reference system by applying a map projection. Cf. ISO 19111:2007:2007-07, part 8.2.3.b, table 11 and annex B.1.2.3.
Super-classes	Coordinate Reference System^c
In domain of	Base CRS^op

Reference System^c # Classes

URI	`https://w3id.org/geosrs/ReferenceSystem`
Description	An abstract coordinate system, whose origin, orientation and scale are specified in physical space. It is based on a set of reference points, defined as geometric points whose position is identified physically and mathematically.
Sub-classes	Spatial Reference System^c

Single Coordinate Reference System^c # Classes

URI	`https://w3id.org/geosrs/SingleCRS`
Description	Coordinate reference system consisting of one coordinate system and one datum. Cf. ISO 19111:2007:2007-07, table 5.
Super-classes	Coordinate Reference System^c
Sub-classes	Cartesian Coordinate System^c

Single Operation^c # Classes

URI	`https://w3id.org/geosrs/SingleOperation`
Description	A non concatenated coordinate operation. Cf. ISO 19111:2007:2007-07, table 43.
Super-classes	Coordinate Operation^c

Spatial Reference System^c # Classes

URI	`https://w3id.org/geosrs/SpatialReferenceSystem`
Description	A spatial reference system (SRS) is a system for establishing spatial position. A spatial reference system can use geographic identifiers (place names, for example), coordinates (in which case it is a coordinate reference system), or identifiers with structured geometry (in which case it is a discrete global grid system).
Super-classes	Reference System^c
Sub-classes	Coordinate Reference System^c

Spherical Coordinate System^c # Classes

URI	`https://w3id.org/geosrs/SphericalCoordinateSystem`
Description	Three-dimensional coordinate system in Euclidean space with one distance measured from the origin and two angular coordinates
Super-classes	https://w3id.org/geosrs/cs/3DCoordinateSystem^c

Transformation^c # Classes

URI	`https://w3id.org/geosrs/Transformation`
Description	Coordinate operation in which the two coordinate reference systems are based on different datums. Cf. ISO 19111:2007:2007-07, table 44.
Super-classes	Conversion^c

Vertical Coordinate System^c # Classes

URI	`https://w3id.org/geosrs/VerticalCoordinateSystem`
Description	One-dimensional coordinate system used for gravity related height or depth measurements. Cf. ISO 19111:2007:2007-07, tables 15 and 25.
Super-classes	Coordinate System^c

Vertical Datum^c # Classes

URI	`https://w3id.org/geosrs/VerticalDatum`
Description	Datum describing the relation of gravity-related heights or depths to the Earth. Cf. ISO 19111:2007:2007-07, table 41 and annex B.3.3.
Super-classes	Datum^c

Axis^op # OPs

URI	`https://w3id.org/geosrs/axis`
Description	The property relates a coordinate system to one of its axis
Domain(s)	Coordinate System^c
Range(s)	geosrs:Axis^c

Base CRS^op # OPs

URI	`https://w3id.org/geosrs/baseCRS`
Description	The geodetic coordinate reference system on which a projected coordinate reference system is based. Cf. ISO 19111:2007:2007-07, table 11, association role baseCRS.
Domain(s)	Projected Coordinate Reference System^c
Range(s)	geosrs:GeodeticCRS^c

Conversion^op # OPs

URI	`https://w3id.org/geosrs/conversion`
Domain(s)	Coordinate Reference System^c
Range(s)	geosrs:Conversion^c

Coordinate system^op # OPs

URI	`https://w3id.org/geosrs/coordinateSystem`
Description	The property relates a coordinate reference system to its coordinate system
Domain(s)	Coordinate Reference System^c
Range(s)	geosrs:CoordinateSystem^c

Datum^op # OPs

URI	`https://w3id.org/geosrs/datum`
Description	The property relates a coordinate reference system to a datum
Domain(s)	Coordinate Reference System^c
Range(s)	geosrs:Datum^c

Domain of validity^op # OPs

URI	`https://w3id.org/geosrs/domainOfValidity`
Description	Geographic area or time interval in which the referring object is valid. Cf. ISO 19111:2007:2007-07, tables 4, 33 and 42, attribute domainOfValidity.
Domain(s)	Coordinate Reference System^c
Range(s)	https://w3id.org/geosrs/srs/AreaOfUse^c

Ellipsoid^op # OPs

URI	`https://w3id.org/geosrs/ellipsoid`
Description	The properties relates a datum to its ellipsoid definition
Domain(s)	Datum^c
Range(s)	geosrs:Ellipsoid^c

Source CRS^op # OPs

URI	`https://w3id.org/geosrs/sourceCRS`
Description	The coordinate reference system associated to the data used as input of a given operation. Cf. ISO 19111:2007:2007-07, table 42, named association Source.
Domain(s)	Coordinate Operation^c
Range(s)	geosrs:CRS^c

Target CRS^op # OPs

URI	`https://w3id.org/geosrs/targetCRS`
Description	The coordinate reference system associated to the data obtained as output of a given operation. Cf. ISO 19111:2007:2007-07, table 42, named association Target.
Domain(s)	Coordinate Operation^c
Range(s)	geosrs:CRS^c

URI	`https://w3id.org/geosrs/EPSGcode`
Description	Identifier of this resource in the EPSG Geodetic Parameter Dataset.
Range(s)	xsd:string^c

URI	`https://w3id.org/geosrs/semiMajorAxis`
Description	Indicates the length of the semi major axis of an ellipsoid. Cf. ISO 19111:2007:2007-07, table 36, attribute length of semi-major axis.
Domain(s)	Ellipsoid^c
Range(s)	xsd:double^c

URI	`https://w3id.org/geosrs/semiMinorAxis`
Description	Indicates the length of the semi minor axis of an ellipsoid. Cf. ISO 19111:2007:2007-07, table 37, attribute length of semi-minor axis.
Domain(s)	Ellipsoid^c
Range(s)	xsd:double^c

Namespaces ↑

default (geosrs): https://w3id.org/geosrs/
brick: https://brickschema.org/schema/Brick#
csvw: http://www.w3.org/ns/csvw#
dc: http://purl.org/dc/elements/1.1/
dcam: http://purl.org/dc/dcam/
dcat: http://www.w3.org/ns/dcat#
dcmitype: http://purl.org/dc/dcmitype/
dcterms: http://purl.org/dc/terms/
doap: http://usefulinc.com/ns/doap#
foaf: http://xmlns.com/foaf/0.1/
geo: http://www.opengis.net/ont/geosparql#
odrl: http://www.w3.org/ns/odrl/2/
org: http://www.w3.org/ns/org#
owl: http://www.w3.org/2002/07/owl#
prof: http://www.w3.org/ns/dx/prof/
prov: http://www.w3.org/ns/prov#
qb: http://purl.org/linked-data/cube#
rdf: http://www.w3.org/1999/02/22-rdf-syntax-ns#
rdfs: http://www.w3.org/2000/01/rdf-schema#
sdo: https://schema.org/
sh: http://www.w3.org/ns/shacl#
skos: http://www.w3.org/2004/02/skos/core#
sosa: http://www.w3.org/ns/sosa/
ssn: http://www.w3.org/ns/ssn/
time: http://www.w3.org/2006/time#
vann: http://purl.org/vocab/vann/
void: http://rdfs.org/ns/void#
wgs: https://www.w3.org/2003/01/geo/wgs84_pos#
xsd: http://www.w3.org/2001/XMLSchema#

^c	Classes
^op	Object Properties
^fp	Functional Properties
^dp	Data Properties
^ap	Annotation Properties
^p	Properties
ⁿⁱ	Named Individuals

SRS Ontology

Metadata

Table of Contents

Overview

Classes ↑

Coordinate Reference Systemc # Classes

Cartesian Coordinate Systemc # Classes

Conversionc # Classes

Coordinate Operationc # Classes

Coordinate Systemc # Classes

Coordinate System Axisc # Classes

Datumc # Classes

Ellipsoidc # Classes

Ellipsoidal Coordinate Systemc # Classes

Engineering Coordinate Reference Systemc # Classes

General Operation Parameterc # Classes

General Parameter Valuec # Classes

Geodetic Coordinate Reference Systemc # Classes

Geodetic Datumc # Classes

Geographic Coordinate Reference Systemc # Classes

Linear Coordinate Systemc # Classes

Operation Methodc # Classes

Operation Parameterc # Classes

Operation Parameter Valuec # Classes

Ordinal Coordinate Systemc # Classes

Parametric Coordinate Systemc # Classes

Polar Coordinate Systemc # Classes

Prime meridianc # Classes

Projected Coordinate Reference Systemc # Classes

Reference Systemc # Classes

Single Coordinate Reference Systemc # Classes

Single Operationc # Classes

Spatial Reference Systemc # Classes

Spherical Coordinate Systemc # Classes

Transformationc # Classes

Vertical Coordinate Systemc # Classes

Vertical Datumc # Classes

Object Properties ↑

Axisop # OPs

Base CRSop # OPs

Conversionop # OPs

Coordinate systemop # OPs

Datumop # OPs

Domain of validityop # OPs

Ellipsoidop # OPs

Source CRSop # OPs

Target CRSop # OPs

Datatype Properties ↑

EPSG codedp # DPs

semi major axisdp # DPs

semi minor axisdp # DPs

Namespaces ↑

Legend

Coordinate Reference System^c # Classes

Cartesian Coordinate System^c # Classes

Conversion^c # Classes

Coordinate Operation^c # Classes

Coordinate System^c # Classes

Coordinate System Axis^c # Classes

Datum^c # Classes

Ellipsoid^c # Classes

Ellipsoidal Coordinate System^c # Classes

Engineering Coordinate Reference System^c # Classes

General Operation Parameter^c # Classes

General Parameter Value^c # Classes

Geodetic Coordinate Reference System^c # Classes

Geodetic Datum^c # Classes

Geographic Coordinate Reference System^c # Classes

Linear Coordinate System^c # Classes

Operation Method^c # Classes

Operation Parameter^c # Classes

Operation Parameter Value^c # Classes

Ordinal Coordinate System^c # Classes

Parametric Coordinate System^c # Classes

Polar Coordinate System^c # Classes

Prime meridian^c # Classes

Projected Coordinate Reference System^c # Classes

Reference System^c # Classes

Single Coordinate Reference System^c # Classes

Single Operation^c # Classes

Spatial Reference System^c # Classes

Spherical Coordinate System^c # Classes

Transformation^c # Classes

Vertical Coordinate System^c # Classes

Vertical Datum^c # Classes

Axis^op # OPs

Base CRS^op # OPs

Conversion^op # OPs

Coordinate system^op # OPs

Datum^op # OPs

Domain of validity^op # OPs

Ellipsoid^op # OPs

Source CRS^op # OPs

Target CRS^op # OPs

EPSG code^dp # DPs

semi major axis^dp # DPs

semi minor axis^dp # DPs