Customer log inWhat is Dublin Core?
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Dublin Core is the name of an international organisation that provides guidelines on the use of metadata. You may also hear the phrase Dublin Core Metadata Initiative (DCMI), which is the name of the main project the group is responsible for. The aim of the Dublin Core organisation is to design and define a set of metadata elements that can be used to classify a broad range of information on the Web, and other data systems.
The Dublin Core group has defined a standard set of metadata elements, the Dublin Core Metadata Element Set, which attach specific meaning and purpose to the plain English labels for the terms listed below. Some labels are more obvious than others. In each case, the resource is the thing the metadata describes, such as a Web page.
- Title: A name for the resource.
- Creator: The main person or group that created the resource.
- Subject: The classified topic of the resource.
- Description: An explanation of what the resource is about.
- Publisher: The person or organisation that published the resource.
- Contributor: A person or group that helped make the resource.
- Date: A date to do with the existence of the resource.
- Type: The physical nature or genre of the resource.
- Format: The physical medium of the resource.
- Identifier: A unique reference to the resource.
- Source: A reference work from which the resource is derived.
- Language: The main language of the resource.
- Relation: A reference to another resource associated with this.
- Coverage: The extent of the resource's relevance over time and physical space.
- Rights: Information about the ownership and distribution rights for the resource.
The Dublin Core group also define a more precise set of terms, known as qualifiers, that can be used to make the meaning of the primary elements more distinct. Defining specific meanings for these metadata terms and their qualifiers means they can be catalogued and interpreted by software systems in more constructive ways.
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