;; Ontology 'source' in functional syntax

Prefix(: = <http://example.com/>)
 Prefix(rdfs: = <http://www.w3.org/2000/01/rdf-schema#>)
 Ontology(
   EquivalentClasses(Annotation(rdfs:comment "I hereby annotate this") :a :b ))

;; Ontology 'source' parsed

(ontology (:blank :ontology)
          (equivalentclasses
           (annotation !rdfs:comment "I hereby annotate this") !ex:a
           !ex:b))

;; Ontology 'source' in rdf/xml

<rdf:RDF
    xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
    xmlns:xsd="http://www.w3.org/2001/XMLSchema#"
    xmlns:ex="http://example.org/"
    xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
    xmlns:owl="http://www.w3.org/2002/07/owl#">
  <owl:Ontology/>
  <owl:axiom>
    <owl:subject>
      <rdf:Description rdf:about="http://example.com/a">
        <owl:equivalentClass rdf:resource="http://example.com/b"/>
      </rdf:Description>
    </owl:subject>
    <owl:predicate rdf:resource="http://www.w3.org/2002/07/owl#equivalentClass"/>
    <owl:object rdf:resource="http://example.com/b"/>
    <rdfs:comment rdf:datatype="http://www.w3.org/2001/XMLSchema#string"
    >I hereby annotate this</rdfs:comment>
  </owl:axiom>
</rdf:RDF>

;; Ontology 'source' as ntriples

_:b1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2002/07/owl#Ontology> . 
<http://example.com/a> <http://www.w3.org/2002/07/owl#equivalentClass> <http://example.com/b> . 
_:b2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2002/07/owl#axiom> . 
_:b2 <http://www.w3.org/2002/07/owl#subject> <http://example.com/a> . 
_:b2 <http://www.w3.org/2002/07/owl#predicate> <http://www.w3.org/2002/07/owl#equivalentClass> . 
_:b2 <http://www.w3.org/2002/07/owl#object> <http://example.com/b> . 
_:b2 <http://www.w3.org/2000/01/rdf-schema#comment> "I hereby annotate this"^^<http://www.w3.org/2001/XMLSchema#string> .