"Preferred property label" is a declarative predefined property to specify a preferred property label and is provided by Semantic MediaWiki. This property is pre-deployed (also known as special property) and comes with additional administrative privileges but can be used just like any other user-defined property.
h
hasDeducer (en) +
E
isInterpretedBy (en) +
i
isPortionPartOf (en) +
h
hasObjectiveProperty (en) +
i
isMemberOf (en) +
h
hasProductOutput (en) +
hasDeclared (en) +
hasManufacturedOutput (en) +
E
isChemicalSymbolFor (en) +
r
h
hasInterval (en) +
hasDistinctPart (en) +
E
h
d
directlyCausedBye (en) +
i
isNotCausedBy (en) +
h
s
semiotical (en) +
h
hasFragment (en) +