_:vb15080 . _:vb15081 . _:vb15084 . _:vb15085 . _:vb15080 . . "The superclass of properties that link a gr:QuantitativeValue or a gr:QualitativeValue to a second gr:QuantitativeValue or a gr:QualitativeValue that provides additional information on the original value. A good modeling practice is to define specializations of this property (e.g. foo:referenceTemperature) for your particular domain."@en . _:vb15080 _:vb15082 . "value reference (0..*)"@en . _:vb15082 _:vb15081 . _:vb15084 . _:vb15081 . . _:vb15082 . _:vb15083 _:vb15085 . _:vb15083 . _:vb15085 _:vb15084 . _:vb15083 .