Standards
CGI-developed data standards
OGC data standards
- Full list of OGC standards
- XML encoding standards that support GeoSciML and EarthResourceML
- Geography Markup Language (GML) - also published as ISO 19136
- Observations & Measurements (O&M) - also published as ISO 19156
- SWE Common Data Model
- Web service interface specifications
- Web Map Service (WMS)
- Web Map Context (WMC)
- Styled Layer Descriptor (SLD)
- Web Feature Service (WFS)
- Filter Encoding (FES)
- Web Coverage Service (WCS)
- Catalogue Services Specification (CSW)
ISO data standards for Geographic Information/Geomatics (TC211)
Ontologies, vocabularies, semantic web principles and technologies