subproperty definition for frequency in mining corpus
:rudkorFrequency rdfs:subClassOf frac:CorpusFrequency .
:rudkorFrequency rdfs:subClassOf [
   a owl:Restriction ;
   owl:onProperty frac:corpus ;
   owl:hasValue <https://app.sketchengine.eu/#
      dashboard?corpname=user%2FAleksandraTomasevic%2Frudkor>] .