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OGC RAINBOW Home Search Browse Vocabularies About

Welcome to OGC RAINBOW

OGC RAINBOW publishes a range of resources managed by the OGC, and identified by unique stable web addresses (IRIs or URIs). These are determined through a set of policies managed by the OGC Naming Authority and managed through normal operational processes.

The knowledge graph behind OGC RAINBOW is flexible and extensible, and the OGC will continue to register new terms and improve the cross-linkages between terms.

Definitions are made available in an interoperable form using the SKOS vocabulary (or "taxonomy") model in both human- and machine-readable forms.

Some definitions have richer information models with alternative profiles of the content available.

Vocabularies are managed in sets called "ConceptSchemes", and definitions can usually be accessed individually as "Concepts" or via the containing set.

The "alternate profiles" will provide a complete list of the available resources per definition.

NOTE: Updates to OGC RAINBOW since June 2022 may require you to clear your web browser's cache for the domain. This is a one-time only action to ensure that your web browser is displaying the latest information from OGC RAINBOW.

See the about page page for more information on OGC RAINBOW.


Content is organised into Collections by the source and governance domain.

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