Dublin Core

DUBLIN CORE

DUBLIN CORE

‘Dublin’ refers to Dublin, Ohio where the work originated from an international workshop hosted in 1995 by OCLC.

‘Core’ refers to the fact that metadata element set is a basic but expandable ‘core’ list.

The semantics of Dublin Core were established and maintained by an international, cross-disciplinary group of professionals from librarianship, computer science, text encoding, museum and other related fields of scholarship and practice.

DUBLIN CORE

Is a standard for cross-domain information resources description.

Provides a simple and standardized set of conventions for describing things online in ways that make them easier to find.

Widely used to describe digital materials such as video, sound, image, text, also web pages, make use of XML and are resource description framework based.

DUBLIN CORE

Is an initiative to create a digital ‘library card catalog’, made up of metadata elements that offer expanded cataloging information and improved document indexing for search engine programs.

DUBLIN CORE LEVELS

Simple Dublin Core Comprises of fifteen elements

Title, creator, subject, description, publisher, contributor, date, type, format, identifier, source, language, relation, coverage, and rights.

Qualified Dublin Core Include three additional elements

Audience Provenance Rights Holder

SIMPLE DUBLIN CORE

Simple Dublin Core Metadata Element Set (DCMES) consists of 15 metadata elements:CONTENT INTELECTUAL

PROPERTYINSTANTIATION

Coverage Contributor Date

Description Creator Format

Type Publisher Identifiers

Relation Rights Language

Source

Subject

Title

SIMPLE DUBLIN CORE

Each element is optional and can be repeated.

DCMI established standard ways to refine elements and encourages the use of encoding and vocabulary schemes.

There is no predictable order in Dublin Core for presenting or using the elements.

Element refinements is an ongoing process done by working groups of the DCMI that makes the meaning of an elements narrower or more specific

QUALIFIED DUBLIN CORE

Increases the specificity of metadata by adding information about encoding schemes, enumerated lists of values, or other processing clues.

It enables searches to be more specific but qualifiers are more complex and pose more challenges to interoperability.

DUBLIN CORE STRENGTH

Simplicity, as anyone can use it or at least part of it.

Is the metadata choice for institutional repositories, where user upload their own data and create their own metadata.

DUBLIN CORE WEEKNESS

There is a wide variety of interpretations and variations in what is put into each element, because it is so simple.

Difficult to provide federated searching over the holding of many institutions. eg. ‘date’ field could contain the date that

the item is digitized, the date the record was created, the date the record was added to a collection or reworked, the date of previous or current publication, …