The point I wanted to make (following your example), is that the Wikidata Query "All novels by Douglas Adams" is equivalent to the item "Category:Novels by Douglas Adams" [1]. In other cases there will be even 3 items representing the same information: the wd query, the category item, and a "list of..." item. So I'm just wondering if this complexity is really needed for structural/technical reasons.

Maybe there is an easier way instead of linking to the wd query with a "category's main query" property?

Cheers,
Micru

[1] https://www.wikidata.org/wiki/Q8687492


On Thu, Mar 6, 2014 at 7:24 PM, Lydia Pintscher <lydia.pintscher@wikimedia.de> wrote:
On Tue, Mar 4, 2014 at 9:01 PM, David Cuenca <dacuetu@gmail.com> wrote:
> I would like to make you aware of this RFC started by Gerard:
> https://www.wikidata.org/wiki/Wikidata:Requests_for_comment/Define_lists_on_both_%22Wikimedia_lists%22_and_%22Wikimedia_categories%22
>
> It is interesting because in the end, what is the difference between a list,
> a category, and a query? Not much, really.
>
> I'm curious to know if the approach taken with queries will be the same as
> the WDQ
> http://tools.wmflabs.org/reasonator/?&q=6573995
>
> Items like "List of..." or "Category:" would have some use, but the
> development notes don't state if this is the intended path
> https://meta.wikimedia.org/wiki/Wikidata/Development/Queries
>
> Any thoughts about it?

I've been trying to understand the RfC 3 times now and still fail. So
I can't answer your questions unfortunately.

The short and simplified version of how complex queries will work:
* someone defines a query on a page in a special query namespace (eg
"everything that has author = Douglas Adams")
* the result of the query is a list of items matching the query
* the Wikipedias can include the result of the query and visualize it
in certain ways on a page. (eg the wikitext of the article "List of
works by Douglas Adams" would have a call to include the query result
from Wikidata)


Cheers
Lydia

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