a Property is a Feature/Attribute of a Topic
see * https://semantic-mediawiki.org/wiki/Help:Properties_and_types * https://semantic-mediawiki.org/wiki/Help:Special_properties * https://semantic-mediawiki.org/wiki/Help:List_of_datatypes
Property# QUERYc5ec9f6f0ea24d59ffbe872749393956
Property# QUERY9a6211396d08ec7d2c300ec1bdf6ecce
Concept:Property Concept:Property
Property# QUERY57abd5eb467c88f874505f2ac4f17796
Property# ae3bcafc71cd6026f8fcdbe393d261d9