Custom namespaces can be used to extend the data model.Īn instance of the XMP data model is called an XMP packet. a namespace for the Dublin Core Metadata Element Set). The XMP standard also defines particular namespaces for defined sets of core properties (e.g. These can be simple name/value pairs, structured values or lists of values. The defined XMP data model can be used to store any set of metadata properties. The XMP data model, serialization format and core properties is published by the International Organization for Standardization as ISO 16684-1:2012 standard. Although metadata can alternatively be stored in a sidecar file, embedding metadata avoids problems that occur when metadata is stored separately. Therefore, the non-XMP metadata have to be reconciled with the XMP properties. It also provides guidelines for embedding XMP information into popular image, video and document file formats, such as JPEG and PDF, without breaking their readability by applications that do not support XMP. XMP standardizes a data model, a serialization format and core properties for the definition and processing of extensible metadata. The Extensible Metadata Platform ( XMP) is an ISO standard, originally created by Adobe Systems Inc., for the creation, processing and interchange of standardized and custom metadata for digital documents and data sets.
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