To create a complete RDF/XML document, the serialization of the graph into XML is usually contained inside an rdf:RDF XML element which becomes the top-level XML document element. Conventionally the rdf:RDF element is also used to declare the XML namespaces that are used, although that is not required. When there is only one top-level node element inside rdf:RDF, the rdf:RDF can be omitted although any XML namespaces must still be declared.
rdf:RDF is a Production syntaxTerm (not a concept).
N/A
<?xml version="1.0"?>
<rdf:RDF
xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
xmlns:ex="http://example.org/stuff/1.0/"
xml:base="http://example.org/here/">
<rdf:Description rdf:ID="snack">
<ex:prop rdf:resource="fruit/apple"/>
</rdf:Description>
</rdf:RDF>