Ominaisuus:Yläominaisuus (Subproperty of)

"Yläominaisuus (Subproperty of)" is a declarative predefined property to define that a property is a subproperty of another 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.