OWL-S

...
<owl:Class rdf:ID="Language" >
  <owl:oneOf rdf:parseType="Collection">
    <owl:Thing rdf:about="#German" />
    <owl:Thing rdf:about="#Saxonian" />
    <owl:Thing rdf:about="#Elbian" />
    <owl:Thing rdf:about="#Klingonian" />
  </owl:oneOf>
</owl:Class>
<owl:Class rdf:ID="Text" />
<owl:ObjectProperty rdf:ID="writtenIn">
  <rdfs:domain rdf:resource="#Text" />
  <rdfs:range rdf:resource="#Language" />
</owl:ObjectProperty>
<owl:Class rdf:ID="KlingonianText" />
  <rdfs:subClassOf rdf:resource="#Text" />
  <owl:Restriction>
    <owl:onProperty rdf:resource="#writtenIn" />
    <owl:hasValue rdf:resource="#Klingonian" />
  </owl:Restriction>
</owl:Class>
<KlingonianText rdf:ID="KlingonianLoveLetter">
</KlingonianText>
...
<process:AtomicProcess rdf:ID="KlingonianSaxonian">
  <process:hasInput>
    <process:Input rdf:ID="#KlingonianLoveLetter">
       <process:parameterType rdf:resource="#KlingonianText"/>
    </process:Input>
  </process:hasInput>
  <process:hasOutput>
    <process:Output rdf:ID="#SaxonianLoveLetter">
       <process:parameterType rdf:resource="#SaxonianText"/>
    </process:Output>
  </process:hasOutput>
</process:AtomicProcess>
...
<process:CompositeProcess rdf:ID="KlingonianGerman">
  <process:composedOf>
    <process:Sequence>
      <process:components rdf:parseType="Collection">
        <process:AtomicProcess rdf:about="KlingonianSaxonian"/>
        <process:AtomicProcess rdf:about="SaxonianGerman"/>
      </process:components>
    </process:Sequence>
  </process:composeOf>
  <process:hasInput>
    <process:Input rdf:ID="#KlingonianLoveLetter">
       <process:parameterType rdf:resource="#KlingonianText"/>
    </process:Input>
  </process:hasInput>
  <process:hasOutput>
    <process:Output rdf:ID="#GermanLoveLetter">
       <process:parameterType rdf:resource="#GermanText"/>
    </process:Output>
  </process:hasOutput>
</process:CompositeProcess>