To the folks supporting SMW:
A key reason I've needed inverse properties is because of my grammatical
ontology. Featuring generic relational properties such as "is:inside",
I've needed to to more easily retrieve all values of a property rather
than using bulky templates or modules. For instance, to retrieve an
Automobile page identified in its pagename by a topic type, would use:
{{#ask: [[-is:inside:: {{FULLPAGENAME}}]][[smw:pagename::~
Automobile: *]]
which should yield all autos associated with a page via an "is:inside"
property -- I've had troubles with this kind of query for awhile.
However, now I am very pleased to report my inverse property tests (on
2.2.1) are working great!!
1. #ask: [[-pn::subject]] correctly yields all values of property "pn"
for a single subject page
2. #ask: [[-pn::subj1||subj2]] yields all "pn" values for enumerated
subject pages
3. #ask: [[-pn::<q>[[Category:X]]</q>]] yields all "pn" values for
subject pages of a category
4. #ask: [[-pn1::<q>[[pn2::+]]</q>]] yields all "pn1" values for
subject pages of a subquery
5. #ask: [[-pn1::+]][[pn2::+]] yields all "pn1" values that ALSO have
property "pn2"
6. #ask: [[-pn1::+]][[Category:X]] yields all "pn1" values that ALSO
are of a category
So a mighty Thanks! to the unsung (enough!) heros supporting SMW.
Now back to working on
https://www.mediawiki.org/wiki/Extension:SMW_Ontologies
Best regards/john
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