Jonas Kress (WMDE)

Welcome to Wikidata, Jonas Kress (WMDE)!

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Best regards! —Tom Morris (talk) 16:09, 14 December 2015 (UTC)

Previous discussion was archived at User talk:Jonas Kress (WMDE)/Archive 1 on 2016-06-23.

Hi Jonas, is the way to contact you directly still your WMDE email account? Thanks, Cristina Sarasua

are you talking here ?

Hi Jonas, I'm wondering how do I check constraints such as a distinct values constraint (Q21502410) and have it give me a list of all items that fail this constraint for a particular property? For example, using the constraint system to replicate a page like this:

Wikidata:Database reports/Constraint violations/P354#.22Unique value.22 violations . Currently, I can only find the violation by going to an item that I know has the violation (for example Q18032104#P354), but I cannot find a way to generate a list of all such items that fail this constraint. Thanks in advance!

Yes, violations are only shown on items there is no reporting page for all the violations.

Is there a plan to add a way to retrieve, for example, all distinct value constraint violations for a given property?

There is a ticket for this https://phabricator.wikimedia.org/T172380

Go to Property talk:P354 and click on "Sparql"?

Hi, I'm using the check constraints gadget of your sub-page and I found a couple of bugs one related to the gadget and the other that I don't know if it's a problem of the gadget or of the API. The one that is related to the gadget is that when I click on the button to see the constraint warnings the first time the browser scrolls to the top, which can be quite annoying in long entity pages. The second one is something I realized that happens with all the entities with original network (P449). You can see that Valley of the Wolves (TV series) (Q13407659) detects a warning for the property original network (P449) saying that Show TV (Q2006738) isn't an instance or a subclass of broadcaster (Q15265344), but it is. You just have to follow the tree and go through it to see that it's a instance of (P31) television station (Q1616075), subclass of (P279) broadcast station (Q15943455) and finally subclass of (P279) broadcaster (Q15265344). I understand there has to be a limit in the depth of analysis to prevent performance problems, but if the problem is that the limit is reached I don't think the specified depth could be enough for many cases.

Thanks for your feedback! We are working on improving it. You can see all tickets and progress here: https://phabricator.wikimedia.org/project/view/1202/

If you think you found a new flaw, feel free to create a ticket for that.

I also have the very seldom bug of scrolling to the top page and I am trying to investigate it.

If you would provide me with details of your configuration such as browser and OS, I would be very thankfully.

I'm using Chrome Versión 58.0.3029.110 (64-bit) for Windows (8.1). I don't know if it will be helpful, but I tested also in Firefox version 53.0.3 (32-bit) and it works as expected there.

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