LinkedData in OGC API Features
It has not yet been addressed in the Core of WFS3. See WFS_FES issue 167.
Existing implementations
By @jorgejesus: research project on methods for linked data and JSON schema and JOSN-LD in WFS3, to provide soil profilesfor ISRIC. Based on Pygeoapi. Instance: https://glosis.isric.org, sources https://github.com/jorgejesus/GLOSIS.
Sample request to get JSON-LD data from the WFS3 API:
https://glosis.isric.org/collections/soil_profiles/items/04ec2032-421e-472f-9b19-797754c563cc?f=json
Definitions to link to
Semantics of BGT data has been published at https://definities.geostandaarden.nl/id/begrippenkader/imgeo
For example:
- Class Wegdeel: https://definities.geostandaarden.nl/imgeo/id/begrip/Wegdeel
- Attribute LV-publicatiedatum: https://definities.geostandaarden.nl/imgeo/id/begrip/Lv-publicatiedatum
- Attribute bronhouder: https://definities.geostandaarden.nl/imgeo/id/begrip/Bronhouder
- etc. for other attributes (some are missing…)
- Some attributes have a “codespace”, e.g.
- Codespace FunctieWeg = ‘fietspad’: https://definities.geostandaarden.nl/imgeo/id/begrip/Fietspad
Semantics of other data:
- BRT: https://brt.basisregistraties.overheid.nl/datamodel
- BRK: https://brk.basisregistraties.overheid.nl/datamodel
- NEN3610 basismodel geografie: https://definities.geostandaarden.nl/def/nen3610