type: object
required:
- concepts
- scheme
properties:
  concepts:
    type: array
    description: 'One or more entity/concept identifiers from this knowledge

      system. it is recommended that a resolvable URI be used for

      each entity/concept identifier.'
    minItems: 1
    items:
      type: object
      required:
      - id
      properties:
        id:
          type: string
          description: An identifier for the concept.
          x-jsonld-id: https://w3id.org/ogc/stac/themes/id
        title:
          type: string
          description: A human readable title for the concept.
          x-jsonld-id: http://purl.org/dc/terms/title
        description:
          type: string
          description: A human readable description for the concept.
          x-jsonld-id: http://purl.org/dc/terms/description
        url:
          type: string
          format: uri
          description: A URI providing further description of the concept.
          x-jsonld-id: '@id'
    x-jsonld-id: https://w3id.org/ogc/stac/themes/concepts
    x-jsonld-container: '@set'
  scheme:
    type: string
    description: 'An identifier for the knowledge organization system used

      to classify the resource.  It is recommended that the

      identifier be a resolvable URI.  The list of schemes used

      in a searchable catalog can be determined by inspecting

      the server''s OpenAPI document or, if the server implements

      CQL2, by exposing a queryable (e.g. named `scheme`) and

      enumerating the list of schemes in the queryable''s schema

      definition.'
    x-jsonld-id: https://w3id.org/ogc/stac/themes/scheme
x-jsonld-prefixes:
  thns: https://w3id.org/ogc/stac/themes/
  dct: http://purl.org/dc/terms/