"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.
"
[[Category:Deadline]] [[-Has subobject::Event:Fb125687-356e-4e27-9537-1697e6325e1b]]
[[:Event:Fb125687-356e-4e27-9537-1697e6325e1b]]
[[Category:Organizer]] [[-Has subobject::Event:Fb125687-356e-4e27-9537-1697e6325e1b]]
[[Category:Organizer]] [[-Has subobject::Event:Fb125687-356e-4e27-9537-1697e6325e1b]]
0
1
[[Category:Organizer]] [[-Has subobject::Event:C5dba1c7-e977-4d65-93f8-f210285c3a1d]]
[[:Event:C5dba1c7-e977-4d65-93f8-f210285c3a1d]]
[[Category:Deadline]] [[-Has subobject::Event:C5dba1c7-e977-4d65-93f8-f210285c3a1d]]
[[Category:Organizer]] [[-Has subobject::Event:C5dba1c7-e977-4d65-93f8-f210285c3a1d]]
[[Category:Deadline]] [[-Has subobject::Event:7d2b5469-6556-432e-8c74-aa518ed0e2ca]]
[[:Event:7d2b5469-6556-432e-8c74-aa518ed0e2ca]]
[[Category:Organizer]] [[-Has subobject::Event:7d2b5469-6556-432e-8c74-aa518ed0e2ca]]
[[Category:Organizer]] [[-Has subobject::Event:7d2b5469-6556-432e-8c74-aa518ed0e2ca]]
[[Category:Organizer]] [[-Has subobject::Event:23dba7c0-62f4-49bb-a32c-6e6b1800952a]]
[[Category:Organizer]] [[-Has subobject::Event:23dba7c0-62f4-49bb-a32c-6e6b1800952a]]
[[:Event:23dba7c0-62f4-49bb-a32c-6e6b1800952a]]
[[Category:Deadline]] [[-Has subobject::Event:23dba7c0-62f4-49bb-a32c-6e6b1800952a]]