Hi!
There is a property proposal to store a SPARQL query
equivalent to a
category:
https://www.wikidata.org/wiki/Wikidata:Property_proposal/Wikidata_SPARQL_qu…
I have some doubts about the appropriate datatype. I guess it depends on
future plans/community preferences.
I think right now it should be string. Can be changed later if we want
specific datatype for queries, right now we don't have one.
--
Stas Malyshev
smalyshev(a)wikimedia.org