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Differences between WSML-DL and OWL-DL

  • No support for nominals (i.e. enumerated classes) as in OWL
  • Allows to write enumerations of individuals
  • oneOf(Monday, Tuesday, Wednesday, Thursday, Friday,Saturday, Sunday)
  • Support for Qualified Cardinality Restrictions (QCR)
    • Used to constrain the number of values of a particular property
    • ”The normal hand has exactly five fingers of which one is a thumb”
    • OWL does not support QCR: Class(NormalHand restriction (hasFinger cardinality (5)))
    • No possibility to model the fact that one finger is a thumb in OWL

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