XMP Specification September 2005 39 XMP Schemas Dublin Core Schema 4 Dublin Core Schema The Dublin Core schema provides a set of commonly used properties. ● The schema namespace URI is http://purl.org/dc/elements/1.1/ ● The preferred schema namespace prefix is dc Property Value Type Category Description dc:contributor bag ProperName External Contributors to the resource (other than the authors). dc:coverage Text External The extent or scope of the resource. dc:creator seq ProperName External The authors of the resource (listed in order of precedence, if significant). dc:date seq Date External Date(s) that something interesting happened to the resource. dc:description Lang Alt External A textual description of the content of the resource. Multiple values may be present for different languages. dc:format MIMEType Internal The file format used when saving the resource. Tools and applications should set this property to the save format of the data. It may include appropriate qualifiers. dc:identifier Text External Unique identifier of the resource. dc:language bag Locale Internal An unordered array specifying the languages used in the resource. dc:publisher bag ProperName External Publishers. dc:relation bag Text Relationships to other documents. dc:rights Lang Alt External Informal rights statement, selected by language. dc:source Text External Unique identifier of the work from which this resource was derived. dc:subject bag Text External An unordered array of descriptive phrases or keywords that specify the topic of the content of the resource. dc:title Lang Alt External The title of the document, or the name given to the resource. Typically, it will be a name by which the resource is formally known. dc:type bag open Choice External A document type for example, novel, poem, or working paper.