in SWCLOS. </p>
<p>An RDF triple, <i>subject/predicate/object</i> is realized by a subjective 
CLOS object, a slot name, and its slot value in SWCLOS. Therefore, getting an 
<i>object</i> value in a triple in RDF graph is equal to getting a slot value of 
the slot name corresponding to the property name. </p>
<p>Note that the line 2 in the following example just demonstrated rdfs:comment 
resource object as the first-class entity. The line 3 shows the role of property 
as predicate in triples. The line 4 sh