The Dubline core metadata set is a vocabulary of fifteen properties for issue in resource description. the name " Dublin " is due to its origin at a 1995 invitational workshop in dublin, Ohio. " Core " because its elements are broad and generic, usable for describing a wide range of resources.
The fifteen element Dublin core described in this standard is part of a largest set of matadata vocabularies and technical specifications maintained by the Dublin Metadata (DCMI),
the full set of vocabularies .
DCMI Metadata terms also includes sets of resources, classes, vocabulary encoding schemes, and syntax encoding schemes. The term in DCMI vocabularies in the context of application profiles and on the basis of the DCMI abstract mode (DCAM) all changes made to terms of the Dublin core metadata elements set since 2001 have been reviewed by DCMI usage board in the context of a DCMI name space policy, the name space policy describes now DCMI terms are Assigned uniform resources identifiers (URIs) and sets limit on the range of editorial changes that may allowably be made to the labels , definitions, and usage comments associated with existing DCMI Terms