:my-resource cito:citesAsMetadataDocument :my-resource-metadata . :my-resource-metadata a fabio:MetadataDocument ; datacite:usesMetadataScheme datacite:spar . datacite:spar a datacite:MetadataScheme . The class that describe metadata schemes used for creating a metadata document referring to a certain resource. This is used to represent the particular scheme followed for creating the resource metadata exemplified in the metadata document, via the property `datacite:usesMetadataScheme` and the class `datacite:MetadataScheme`. This is also used when the relation type between two resources involves the association of metadata to one by the other. It is possible to specify a metadata scheme used by the particular metadata document under consideration to describe the metadata of the subject resource or of the related resource. In addition to specifying a metadata scheme, in this case the metadata document can also be characterised by means of the class `fabio:MetatadaDocument`. Each metadata scheme is an individual of the class `datacite:MetadataScheme`. metadata scheme