"Subject"@en-us . "2008-01-14" . . "Used to describe the subject of a bibliographic resource."@en . . . . "Subject"@en . . . . "The topic of the resource."@en-us . "A topic of the resource."@en . "Used to describe the subject of a bibliographic resource."@en . "2008-01-14"^^ . "Typically, the subject will be represented using keywords, key phrases, or classification codes. Recommended best practice is to use a controlled vocabulary. To describe the spatial or temporal topic of the resource, use the Coverage element."@en-us . "2008-01-14" . . "This term is intended to be used with non-literal values as defined in the DCMI Abstract Model (http://dublincore.org/documents/abstract-model/). As of December 2007, the DCMI Usage Board is seeking a way to express this intention with a formal range declaration."@en-us . . "Recommended practice is to refer to the subject with a URI. If this is not possible or feasible, a literal value that identifies the subject may be provided. Both should preferably refer to a subject in a controlled vocabulary."@en . .