Data describing data, especially that containing XML tags characterising attributes of values in clinical data fields
Examples Descriptive information about the context, quality and condition, or characteristics of the data.
Structured information about data, which facilitates its access and use, and helps describe, identify and locate a document–e.g., a book in print or an electronic file in cyberspace.
In data processing, metadata provides information about or documentation of other data managed within an application or environment. It is used to determine content target(s) and where, how, and when the information should appear. Metadata may include descriptive information about the context, quality and condition, or characteristics of the data.
• Data elements or attributes–e.g., name, size, data type, etc.
• Records or data structures–e.g., length, fields, columns, etc. and
• Data itself–e.g., where it’s located, how it is associated, who owns the data, etc.