Markus Krötzsch wrote:
>
> (1) "Inverting operator." It would be possible to restrict the use of
> inverses to queries. One could, for example, query
>
> {{#ask: [[Inv(has capital)::Someplace]] }}
>
I had sent in a
http://osdir.com/ml/web.wiki.semediawiki.devel/2006-12/msg00008.html patch
for something like this back in 2006. I'd really like to see this feature
make it into SMW, so I can upgrade my SMW installation.
And what if we first implement this, and then add a feature which might be
called "inferred properties"? I'd like to be able to associate any property
with a query that would allow SMW to infer this property from other existing
properties. For example, in a wiki with People, Papers, and Algorithms, I'd
like to have a Designed property which can be manually annotated, but can
also infer that Person A designed Algorithm B by the fact that he wrote
Paper C which introduced Algorithm B. Then inverse properties would be a
special case of inferred properties, since a property and its inverse can be
linked to each other by inverse queries.
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