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Earth Observation Ontology

Release 2020/07/01

This version:
http://melodi.irit.fr/ontologies/eom
Latest version:
http://melodi.irit.fr/ontologies/eom
Revision:
2.0
Authors:
Ba-Huy Tran, Nathalie Aussenac-Gilles, Catherine Comparot and Cassia Trojahn
Imported Ontologies:
GeoSPARQL
OWL-Time
PROV-O
SOSA-Ext
Download serialization:
JSON-LD RDF/XML N-Triples TTL
License:
http://insertlicenseURIhere.org
Visualization:
Visualize with WebVowl
Cite as:
Ba-Huy Tran, Nathalie Aussenac-Gilles, Catherine Comparot and Cassia Trojahn. Earth Observation Ontology. Revision: 2.0. Retrieved from: http://melodi.irit.fr/ontologies/eom

Ontology Specification

Introduction back to ToC

The Earth Observation Ontology is dedicated to represents metadata of Sentinel images. It mainly describes the product (an image) as a result of an observation.

Namespace declarations

Table 1: Namespaces used in the document
[Ontology NS Prefix]<http://melodi.irit.fr/ontologies/eom>
schema<http://schema.org>
ns<http://www.w3.org/ns>
owl<http://www.w3.org/2002/07/owl>
xsd<http://www.w3.org/2001/XMLSchema>
skos<http://www.w3.org/2004/02/skos/core>
rdfs<http://www.w3.org/2000/01/rdf-schema>
ssn<http://www.w3.org/ns/ssn>
geosparql<http://www.opengis.net/ont/geosparql>
ont<http://www.opengis.net/ont>
rdf<http://www.w3.org/1999/02/22-rdf-syntax-ns>
terms<http://purl.org/dc/terms>
time<http://www.w3.org/2006/time>
vann<http://purl.org/vocab/vann>
prov<http://www.w3.org/ns/prov>
foaf<http://xmlns.com/foaf/0.1>
ontologies<http://melodi.irit.fr/ontologies>
dc<http://purl.org/dc/elements/1.1>
sosa<http://www.w3.org/ns/sosa>

Earth Observation Ontology: Description back to ToC

The Earth Observation Ontology is dedicated to represents metadata of Sentinel images. It mainly describes the product (an image) as a result of an observation.

Cross reference for Earth Observation Ontology classes, properties and dataproperties back to ToC

This section provides details for each class and property defined by Earth Observation Ontology.

Classes

Earth Observationc back to ToC or Class ToC

IRI: http://melodi.irit.fr/ontologies/eom#EarthObservation

An observation made on a certain area, resulting the image
has super-classes
observation

Processing Levelc back to ToC or Class ToC

IRI: http://melodi.irit.fr/ontologies/eom#ProcessingLevel

Describes the processing levels in which Sentinel-2 products are provided - Level-0, Level-1 and Level-2.
is in domain of
spatial resolution dp

Satellitec back to ToC or Class ToC

IRI: http://melodi.irit.fr/ontologies/eom#Satellite

has super-classes
platform

Satellite Sensorc back to ToC or Class ToC

IRI: http://melodi.irit.fr/ontologies/eom#SatelliteSensor

For example: S2A/MSI or S2B/MSI
has super-classes
sensor

Sentinel Productc back to ToC or Class ToC

IRI: http://melodi.irit.fr/ontologies/eom#Product

aka Sentinel image
has super-classes
entity, result
is in domain of
cloud cover dp, dowload URL dp, image footprint dp, image thumbnail dp, image title dp, snow cover dp

Sentinel Tilec back to ToC or Class ToC

IRI: http://melodi.irit.fr/ontologies/eom#Tile

Represents the tile or footprint of a Sentinel image
has super-classes
feature, feature of interest

Data Properties

cloud coverdp back to ToC or Data Property ToC

IRI: http://melodi.irit.fr/ontologies/eom#cloudCover

The cloud cover recorded when capturing the image
has domain
Sentinel Product c
has range
float

dowload URLdp back to ToC or Data Property ToC

IRI: http://melodi.irit.fr/ontologies/eom#downloadURL

The link to the repository from which the raw image can be downloaded.
has domain
Sentinel Product c
has range
string

image footprintdp back to ToC or Data Property ToC

IRI: http://melodi.irit.fr/ontologies/eom#geometry

The footprint of the image, that is the geometry of the area on which the observation has been made.
has domain
Sentinel Product c
has range
wkt literal

image thumbnaildp back to ToC or Data Property ToC

IRI: http://melodi.irit.fr/ontologies/eom#thumbnail

A thumbnail (quicklook) of the image
has domain
Sentinel Product c
has range
string

image titledp back to ToC or Data Property ToC

IRI: http://melodi.irit.fr/ontologies/eom#title

The title of the image, that is also the product ID
has domain
Sentinel Product c
has range
string

snow coverdp back to ToC or Data Property ToC

IRI: http://melodi.irit.fr/ontologies/eom#snowCover

The snow cover recorded when capturing the image
has domain
Sentinel Product c
has range
float

spatial resolutiondp back to ToC or Data Property ToC

IRI: http://melodi.irit.fr/ontologies/eom#resolution

The spatial resolution of an instrument is the at-ground representation of an individual detector in a satellite sensor array
has domain
Processing Level c
has range
integer

Legend back to ToC

c: Classes
op: Object Properties
dp: Data Properties
ni: Named Individuals

Acknowledgements back to ToC

This work within the Candela project is funded by a grant from an H2020 EC research under convention 776193.
The authors would like to thank Silvio Peroni for developing LODE, a Live OWL Documentation Environment, which is used for representing the Cross Referencing Section of this document and Daniel Garijo for developing Widoco, the program used to create the template used in this documentation.