Extensible Metadata Platform (XMP) Specification - Adobe Partners

3
XMP Storage Model
Serializing XMP
●
zero or more other elements that represent qualifiers of the value. In this case, there is one
property qualifier called ns:role.
NOTE: All qualifier names must be legal XML qualified names.
Language Alternatives
Text properties may have an xml:lang property qualifier that specifies the language of the text.
A common use is with language alternative arrays.
XMP_Specification.pdf
dc:title
"XMP - Extensible
Metadata Platform"
xml:lang
1 alt
2
"XMP - Extensible
Metadata Platform" 3
xml:lang
"XMP – Piattaforma Estendibile di Metadata"
4
xml:lang
"XMP - Une Platforme Extensible
"it-it"
pour les Métadonnées"
"x-default"
"en-us"
xml:lang
"fr-fr"
Language alternatives are a form of rdf:Alt array, referred to as the Lang Alt type. In this
example, each array item is a simple text value; the value has a property qualifier, specified as
the property xml:lang, giving the language of that value.
The XMP for this array looks like this:
XMP - Extensible Metadata Platform
XMP - Extensible Metadata Platform
XMP - Une Platforme Extensible pour les Métadonnées
XMP - Piattaforma Estendibile di Metadata
The xml:lang qualifier is written as an attribute of the XML element whose character data is the
value (in this case, the rdf:li elements). Note also the special language value
"x-default", which specifies the default title to be used.
RDF Issues
Unsupported Features
XMP uses a subset of RDF. Valid XMP is limited to the RDF described in the previous
sections, along with all equivalent alternate forms of that RDF. (RDF has a variety of
28 September 2005 XMP Specification