"Query depth" is a predefined property that informs about the depth of a query and is provided by Semantic MediaWiki. It is a numerical value computed on the basis of subquery nesting, property chains, and available description elements with the execution of a query being restricted by the
$smwgQMaxDepth
configuration parameter. 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 the page of special property Query depth. It lists all pages using this special property. See the help page Special property "Query depth" for further information.