 code 
is an example that lists up all defined uri in the namespace. 
</p><code>gx-user(7): (loop for x being each external-symbol<br/>in (find-package 
:rdfs)<br/>collect (symbol2uri x))<br/>(#&lt;uri 
http://www.w3.org/2000/01/rdf-schema#subPropertyOf&gt;<br/>#&lt;uri 
http://www.w3.org/2000/01/rdf-schema#Datatype&gt;<br/>#&lt;uri 
http://www.w3.org/2000/01/rdf-schema#domain&gt;<br/>#&lt;uri 
http://www.w3.org/2000/01/rdf-schema#label&gt;<br/>#&lt;uri 
http://www.w3.org/2000/01/rdf-schema#seeAlso&gt;<br/>