Property:Has type
From 36C3 Wiki
Property "Has type" as predefined property contains a "Page" type declaration that is incompatible with the default type of this property.
"Has type" is a predefined property that describes the datatype of a property 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.
This is a property of type Page.
