"Query string" is a predefined property that describes the conditions of the query as a string 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.
<q>[[Category:Location]] [[Is Manuscript Location::true]] OR [[Category:Location]] [[Is Manuscript Place Of Production::true]] OR [[Category:Location]] [[Is Printing Location::true]] OR [[Category:Location]] [[Is Place Of Text Composition Of Version::true]] OR [[Category:Location]] [[Is Storage Location Of Print Copy::true]]</q>