Dublin Core

File Format
Name	Dublin Core
Ontology	Electronic File Formats Bibliographic data Dublin Core
Extension(s)	.dcx

The Dublin Core (which has nothing to do with Ireland; the Dublin referred to is Dublin, Ohio, USA, where the first meeting was held to devise the standard) is a standardized set of metadata fields to give information about resources. Its uses include as meta tags in HTML to identify web documents, but there is also an XML-based standalone format for it which can be used for storing bibliographic information.

References

• Dublin Core (Wikipedia)
• Dublin Core official site
• Dublin Core Generator (online utility)