 
real world. If a URI reference is a terminology in ontology, the URI reference 
in SWCLOS is bound with a CLOS object that represents a part of ontology on the 
denotation of a URI reference. You can input a URI reference object in SWCLOS 
using angle bracket reader macro &lsquo;&lt;&rsquo;, where URI reference reading is 
terminated by &lsquo;&gt;&rsquo;. In the following demonstration, note that expressions 
enveloped with &lsquo;&lt;&rsquo; and &lsquo;&gt;&rsquo; designate URIs, and expressions startin