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GeoMind

Vocabulary Reference

HarshShinde0/GeoMind

GeoCroissant Vocabulary Reference¶

The GeoCroissant vocabulary extends MLCommons Croissant with geospatial semantics for Earth Observation datasets. It is defined in RDF/Turtle format.

Namespace: http://mlcommons.org/croissant/geo/ (prefix geocr:)

Download geocroissant.ttl

Classes¶

Class	Description
`geocr:BandConfiguration`	Structured description of raster band organisation and semantics (band count, ordered names).
`geocr:SpectralBand`	Per-band spectral metadata entry (center wavelength, bandwidth).
`geocr:MultiWavelengthConfiguration`	Multi-wavelength channel configuration for Space Weather / heliophysics datasets.
`geocr:SolarInstrumentCharacteristics`	Solar/heliophysics instrument and observatory characteristics.

Properties¶

Dataset / Field / RecordSet¶

Property	Domain	Range	Description
`geocr:coordinateReferenceSystem`	`schema:Dataset`	`schema:Text`	CRS identifier (e.g. EPSG code).
`geocr:spatialResolution`	`schema:Dataset`, `cr:RecordSet`	`schema:Text`, `schema:QuantitativeValue`	Nominal spatial resolution (e.g. `30m`).
`geocr:bandConfiguration`	`schema:Dataset`, `cr:Field`	`geocr:BandConfiguration`, `schema:Text`	Raster band organisation and semantics.
`geocr:spectralBandMetadata`	`schema:Dataset`, `cr:Field`	`geocr:SpectralBand`, `schema:Text`	Per-band spectral metadata.
`geocr:recordEndpoint`	`schema:Dataset`	`schema:URL`, `schema:Text`	Service endpoint for programmatic record access.
`geocr:spatialIndex`	`schema:Dataset`, `cr:RecordSet`	`schema:Text`	Precomputed spatial index token (e.g. DGGS cell ID, geohash).
`geocr:spatialBias`	`schema:Dataset`	`schema:Text`	Spatial representativeness limitations.
`geocr:samplingStrategy`	`schema:Dataset`	`schema:Text`	How samples were selected / constructed.
`geocr:temporalResolution`	`schema:Dataset`, `cr:RecordSet`	`schema:QuantitativeValue`, `schema:Text`	Temporal cadence of the dataset.
`geocr:timeSeriesIndex`	`cr:RecordSet`	`cr:Field`, `schema:Text`	Field used to order/index time-series observations.
`geocr:multiWavelengthConfiguration`	`schema:Dataset`	`geocr:MultiWavelengthConfiguration`, `schema:Text`	Multi-wavelength configuration (Space Weather).
`geocr:solarInstrumentCharacteristics`	`schema:Dataset`	`geocr:SolarInstrumentCharacteristics`, `schema:Text`	Solar instrument characteristics (Space Weather).

`geocr:BandConfiguration` fields¶

Property	Range	Description
`geocr:totalBands`	`schema:Integer`	Total number of bands.
`geocr:bandNamesList`	`schema:Text`	Ordered list of band names.

`geocr:SpectralBand` fields¶

Property	Range	Description
`geocr:centerWavelength`	`schema:QuantitativeValue`	Center wavelength.
`geocr:bandwidth`	`schema:QuantitativeValue`	Spectral bandwidth.

Space Weather nested fields¶

Property	Domain	Range	Description
`geocr:channelList`	`geocr:MultiWavelengthConfiguration`	`schema:Text`	Wavelength channels (e.g. 171Å, 193Å).
`geocr:observatory`	`geocr:SolarInstrumentCharacteristics`	`schema:Text`	Observatory / platform identifier.
`geocr:instrument`	`geocr:SolarInstrumentCharacteristics`	`schema:Text`	Instrument identifier.

Full Turtle Source¶

@prefix rdf:    <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs:   <http://www.w3.org/2000/01/rdf-schema#> .
@prefix schema: <https://schema.org/> .
@prefix cr:     <http://mlcommons.org/croissant/> .
@prefix geocr:  <http://mlcommons.org/croissant/geo/> .

# GeoCroissant Classes
geocr:BandConfiguration a rdfs:Class ;
  rdfs:label "BandConfiguration" ;
  rdfs:comment "Structured description of raster band organization and semantics." ;
  rdfs:subClassOf schema:StructuredValue .

geocr:SpectralBand a rdfs:Class ;
  rdfs:label "SpectralBand" ;
  rdfs:comment "Structured per-band spectral metadata entry." ;
  rdfs:subClassOf schema:StructuredValue .

geocr:MultiWavelengthConfiguration a rdfs:Class ;
  rdfs:label "MultiWavelengthConfiguration" ;
  rdfs:comment "Structured description of multi-wavelength channel configuration." ;
  rdfs:subClassOf schema:StructuredValue .

geocr:SolarInstrumentCharacteristics a rdfs:Class ;
  rdfs:label "SolarInstrumentCharacteristics" ;
  rdfs:comment "Structured description of solar/heliophysics instrument characteristics." ;
  rdfs:subClassOf schema:StructuredValue .

geocr:coordinateReferenceSystem a rdf:Property ;
  rdfs:label "coordinateReferenceSystem" ;
  schema:domainIncludes schema:Dataset ;
  schema:rangeIncludes schema:Text .

geocr:spatialResolution a rdf:Property ;
  rdfs:label "spatialResolution" ;
  schema:domainIncludes schema:Dataset, cr:RecordSet ;
  schema:rangeIncludes schema:Text, schema:QuantitativeValue .

geocr:bandConfiguration a rdf:Property ;
  rdfs:label "bandConfiguration" ;
  schema:domainIncludes schema:Dataset, cr:Field ;
  schema:rangeIncludes geocr:BandConfiguration, schema:Text .

geocr:spectralBandMetadata a rdf:Property ;
  rdfs:label "spectralBandMetadata" ;
  schema:domainIncludes schema:Dataset, cr:Field ;
  schema:rangeIncludes geocr:SpectralBand, schema:Text .

geocr:temporalResolution a rdf:Property ;
  rdfs:label "temporalResolution" ;
  schema:domainIncludes schema:Dataset, cr:RecordSet ;
  schema:rangeIncludes schema:QuantitativeValue, schema:Text .

geocr:spatialBias a rdf:Property ;
  rdfs:label "spatialBias" ;
  schema:domainIncludes schema:Dataset ;
  schema:rangeIncludes schema:Text .

geocr:samplingStrategy a rdf:Property ;
  rdfs:label "samplingStrategy" ;
  schema:domainIncludes schema:Dataset ;
  schema:rangeIncludes schema:Text .