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1) Metadata Standards – Are at the core of any practice of d
Transcript of 1) Metadata Standards – Are at the core of any practice of d
Digital collections are made up of digital objects and descriptive records about those objects.
The information in descriptive records are typically referred to as metadata.
What is Metadata?
Consists of 15 data elements:
Repeatable data elements
Metadata is commonly defined as "data about data."
“[M]etadata are elements of information that answer the questions ‘who, what, where, when, and why’ regarding electronic records: Who is the author of a publication? What is subject of a video? Where was a digital photograph taken? When was a commission meeting recorded? Why was a database developed?” [National Archives]
Types of Metadata
- Includes information about the content and form of the materials.
- indicates the interrelationships between discrete information resources, such as page numbers. Information on how components of the object are arranged.
- the activities to protect or extend the life of the resource, such as reformatting. The object's condition.
- Includes the date and source of acquisition, disposal date, and disposal method. The lifecycle or history of the object as it is recorded by the archivist or collection manager. Records the object's provenance.
Dublin Core is a universally recognized standard for structuring metadata that is intended for describing any online resource.
It is an OCLC metadata initiative that started in the 1990s with the rise of internet usage.
Maintained by an international, cross-disciplinary group of professionals.
Controlled vocabulary relates to a predefined or standardized set of terms used to index content for retrieval in a database.
Why a controlled vocabulary?
It sets up parameters to make searching easier.
It helps to categorize the content of objects.
It attempts to clear up the ambiguity that often occurs when using natural language.
- Be consistent when labeling and categorizing the subject or genre of digital objects.
- The aim is to improve results and the relevancy of retrieval when searching for content. Use subjects broadly and use description field to be more specific.
- Watch for outdated language (e.g., Davenports)
- Remember when you go digital you go global. Use standardized subject headings along side any local subject headings.
Last Thoughts on Controlled Vocabulary
Controlled vocabulary can apply to any data element, but it is commonly used to determine subject headings.
Sources used for subject headings:
Local subject indexes
LC Subject Headings
LC Thesaurus for Graphic Materials
Art & Architecture Thesaurus
Visual Resource Association (VRA)