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The Dublin Core Metadata Initiative is an open forum engaged in the development of interoperable online metadata standards that support a broad range of purposes and business models.


Dublin Core (DC)

  • Type of collection: Groups of materials whose organization is not a significant access point to the collection. Generally these materials will not be organized hierarchically. The collection may be in any format, or a mixture of formats. Collections for which item-level description is planned and none of the other metadata needs described in this document apply.
  • Appropriate metadata standard: Dublin Core Metadata Element Set 1.1
  • Example collection: Worthington Memory
  • Resources to consult: Dublin Core Metadata Element Set, Version 1.1: Reference Description; Dublin Core Usage Guide; DCMI Metadata Terms
  • Usage notes: Simple Dublin Core, consisting of only the 15 core elements, can be used, although much desired robustness (e.g., distinguishing between roles of the creator of a resource, specifying the name of the controlled vocabulary from which a value is selected) is not possible. Qualified Dublin Core, using the DCMI "Other Elements and Element Refinements" (as specified here) can be used to slightly increase robustness, although the refinements available may not be appropriate for many uses. Creating local qualifiers for Dublin Core elements is another option; however this practice reduces the interoperability of the metadata created. The emerging Dublin Core Library Application Profile, still in Working Draft status, attempts to address these issues.

    Additional Resources:

  • Using DC
  • DC MetaData Terms
  • DC Element Set
  • DC XSD
  • Encoding DC in XHTML
    • the former recommendation was Encoding DC in HTML - RFC 2731

      Simple (Unqualified) Dublin Core record:

      <?xml version="1.0" encoding="utf-8"?>
      <oai_dc:dcCollection xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/"
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xmlns:dc="http://purl.org/dc/elements/1.1/"
          xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/
          http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
        <oai_dc:dc>
          <dc:title>Dante /</dc:title>
          <dc:creator> Eliot, T. S. (Thomas Stearns), 1888-1965. </dc:creator>
          <dc:type>text</dc:type>
          <dc:publisher>London : Faber &amp; Faber,</dc:publisher>
          <dc:date>1929.</dc:date>
          <dc:language>eng</dc:language>
          <dc:description>BB: I002 retro/c</dc:description>
          <dc:description>1</dc:description>
          <dc:subject>Dante Alighieri, 1265-1321</dc:subject>
        </oai_dc:dc>
      </oai_dc:dcCollection>
      }}}
      ----
      !Qualified Dublin Core Record:
      {{{
      <html>
        <head>
          <meta name="DC:title" content="Dante"/>
          <meta name="DC:creator" content="Eliot, T. S. (Thomas Stearns), 1888-1965."/>
          <meta name="DC:type" scheme="DCTERMS.DCMIType" content="text"/>
          <meta name="DC:publisher" content="London : Faber &amp; Faber,"/>
          <meta name="DCTERMS:issued" scheme="DCTERMS.W3CDTF" content="1929."/>
          <meta name="DC:language" scheme="DCTERMS.ISO639-2" content="eng"/>
          <meta name="DC.identifier" content="ALF9368BB"/>
          <meta name="DC:description" content="69 p. ; 20 cm."/>
          <meta name="DC:subject" scheme="DCTERMS.LCSH" content="Dante Alighieri, 1265-1321--Criticism and interpretation"/>
        </head>
        <body/>
      </html>
      
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