About XMP metadata

XMP provides a standard format for creating, processing, and exchanging metadata for a wide variety of applications. XMP provides a model by which metadata is represented. XMP metadata is encoded as XML-formatted text that uses the W3C standard Resource Description Language (RDF).

In XMP, metadata consists of a set of properties that are associated with a document. Metadata includes properties such as the author, title, and modification date of a document.

Properties can sometimes be associated with components of a document, but the XMP Utilities service does not provide the ability to manipulate component metadata.

Properties have names and values:

  • Names must be legal XML names.

  • Values may be simple values, such as numbers and strings, or arrays (also called containers). All values are actually represented as Unicode strings.

For more information about XMP, see the main XMP page on the Adobe website.

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