Yes, I think this is a very good idea - a simple query to "generate items which fit the scope of this list" or "generate items which fit the scope of this category". It could be very useful for maintenance purposes (finding items in the list/category that don't have the right properties and flagging them). As they are directly linked to the topic, having them on the item page makes sense.
The more general question of "example queries for a property" (as in Dario's original suggestion) feels like it would be more at home on the talkpage than the property page - using the talkpage gives space for complexity and alternatives and commentary, and it fits very well alongside the constraints, which are also recorded there.
Andrew.
On 24 August 2016 at 13:21, Navino Evans navino@histropedia.com wrote:
If you could store queries, you could also store queries for each item
that is about a list of things, so that the query returns exactly the things that should be in the list ... could be useful.
This also applies to a huge number of Wikipedia categories (the non subjective ones). It would be extremely useful to have queries describing them attached to the Wikidata items for the categories.
On 24 August 2016 at 02:31, Ananth Subray ananth.subray@gmail.com wrote:
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From: Stas Malyshev smalyshev@wikimedia.org Sent: 24-08-2016 12:33 AM To: Discussion list for the Wikidata project. wikidata@lists.wikimedia.org Subject: Re: [Wikidata] A property to exemplify SPARQL queries associated witha property
Hi!
Relaying a question from a brief discussion on Twitter [1], I am curious to hear how people feel about the idea of creating a a "SPARQL query example" property for properties, modeled after "Wikidata property example" [2]?
Might be nice, but we need a good way to present the query in the UI (see below).
This would allow people to discover queries that exemplify how the property is used in practice. Does the approach make sense or would it stretch too much the scope of properties of properties? Are there better ways to reference SPARQL examples and bring them closer to their source?
I think it may be a good idea to start thinking about some way of storing queries on Wikidata maybe? On one hand, they are just strings, on the other hand, they are code - like CSS or Javascript - and storing them just as strings may be inconvenient. Maybe .sparql file extension handler like we have for .js and .json and so on?
-- Stas Malyshev smalyshev@wikimedia.org
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