;; Ontology 'source' in functional syntax

Prefix(: = <http://example.com/>)
 Ontology(
   SubObjectPropertyOf(ObjectPropertyChain(:q :r) :p))

;; Ontology 'source' parsed

(ontology (:blank :ontology)
          (subobjectpropertyof (objectpropertychain !ex:q !ex:r)
           !ex:p))

;; 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:owl="http://www.w3.org/2002/07/owl#">
  <owl:Ontology/>
  <rdf:Description rdf:about="http://example.com/p">
    <owl:propertyChainAxiom rdf:parseType="Collection">
      <rdf:Description rdf:about="http://example.com/q"/>
      <rdf:Description rdf:about="http://example.com/r"/>
    </owl:propertyChainAxiom>
  </rdf:Description>
</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> . 
_:b2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#first> <http://example.com/q> . 
_:b3 <http://www.w3.org/1999/02/22-rdf-syntax-ns#first> <http://example.com/r> . 
_:b3 <http://www.w3.org/1999/02/22-rdf-syntax-ns#rest> <http://www.w3.org/1999/02/22-rdf-syntax-ns#nil> . 
_:b2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#rest> _:b3 . 
<http://example.com/p> <http://www.w3.org/2002/07/owl#propertyChainAxiom> _:b2 .