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ANNEX [F14] U.K.METADATA IMPLEMENTING RULES

PART BU.K.Metadata elements

3.KEYWORDU.K.

If the resource is a spatial data service, at least one keyword from Part D.4 shall be provided.

If a resource is a spatial data set or spatial data set series, at least one keyword shall be provided from the general environmental multilingual thesaurus (GEMET) describing the relevant spatial data theme as [F2set out in Annex 1, 2 or 3].

Textual Amendments

For each keyword, the following metadata elements shall be provided:

3.1.Keyword valueU.K.

The keyword value is a commonly used word, formalised word or phrase used to describe the subject. While the topic category is too coarse for detailed queries, keywords help narrowing a full text search and they allow for structured keyword search.

The value domain of this metadata element is free text.

3.2.Originating controlled vocabularyU.K.

If the keyword value originates from a controlled vocabulary (thesaurus, ontology), for example GEMET, the citation of the originating controlled vocabulary shall be provided.

This citation shall include at least the title and a reference date (date of publication, date of last revision or of creation) of the originating controlled vocabulary.