abbreviation of URI reference with the <a 
href="http://www.w3.org/TR/1999/REC-xml-names-19990114/">namespace function</a> 
for XML. For example, &ldquo;&lt;http://www.w3.org/2000/01/rdf-schema#Resource&gt;&rdquo; is 
abbreviated to &ldquo;rdfs:Resource&rdquo;. Here, the fragment-less URI or 
&ldquo;http://www.w3.org/2000/01/rdf-schema&rdquo; is mapped to &ldquo;rdfs&rdquo;, which is a prefix of 
QName, while a fragment &ldquo;Resource&rdquo; turns out a local part of QName. Franz Inc. 
provides URI APIs, i