Re: [Wikidata] Recognizing deleted resource in the Wikidata SPARQL endpoint
Hi! > I am currently running an experiment to figure out how many Wikidata > entries refer to identifiers in our dataset (i.e. using property P727) > but I am receiving in the results entries that have apparently been > deleted/deprecated (e.g. http://www.wikidata.org/entity/Q18573617)... is Could you send me the query and the items you see that are wrong? > there a way to detect them using SPARQL, perhaps some meta-property or > some information in a statement, or is it simply because the endpoint is > not in sync with the main repo. Short answer - unfortunately, no. Longer answer in https://phabricator.wikimedia.org/T128947#2104017 -- Stas Malyshev smalys...@wikimedia.org ___ Wikidata mailing list Wikidata@lists.wikimedia.org https://lists.wikimedia.org/mailman/listinfo/wikidata
Re: [Wikidata] Recognizing deleted resource in the Wikidata SPARQL endpoint
Op 18-3-2016 om 19:30 schreef Stas Malyshev: Hi! I am currently running an experiment to figure out how many Wikidata entries refer to identifiers in our dataset (i.e. using property P727) but I am receiving in the results entries that have apparently been deleted/deprecated (e.g. http://www.wikidata.org/entity/Q18573617)... is Could you send me the query and the items you see that are wrong? there a way to detect them using SPARQL, perhaps some meta-property or some information in a statement, or is it simply because the endpoint is not in sync with the main repo. Short answer - unfortunately, no. Longer answer in https://phabricator.wikimedia.org/T128947#2104017 That ticket is a restricted task, so not everybody can see the longer answer. Mbch331 ___ Wikidata mailing list Wikidata@lists.wikimedia.org https://lists.wikimedia.org/mailman/listinfo/wikidata
Re: [Wikidata] Recognizing deleted resource in the Wikidata SPARQL endpoint
Hi Stas, Mbch331,
Thanks both for your help!
Is there an alternative to SPARQL that can either check for deleted records or
give only non-deleted ones? currently, I am checking if they are deleted by
making a "ping" using HTTP head requests but this takes a huge amount of time
since I need to check about 70k resources.
... btw, the SPARQL query that I am running is this one:
SELECT ?wdt ?cho WHERE { ?wdt wdt:P727 ?cho }
Thanks again!
Best regards,
Hugo
From: Wikidata [wikidata-boun...@lists.wikimedia.org] on behalf of Mbch331
[mbch331.wikipe...@gmail.com]
Sent: 18 March 2016 20:41
To: Discussion list for the Wikidata project.
Subject: Re: [Wikidata] Recognizing deleted resource in the Wikidata SPARQL
endpoint
Op 18-3-2016 om 19:30 schreef Stas Malyshev:
> Hi!
>
>> I am currently running an experiment to figure out how many Wikidata
>> entries refer to identifiers in our dataset (i.e. using property P727)
>> but I am receiving in the results entries that have apparently been
>> deleted/deprecated (e.g. http://www.wikidata.org/entity/Q18573617)... is
> Could you send me the query and the items you see that are wrong?
>
>> there a way to detect them using SPARQL, perhaps some meta-property or
>> some information in a statement, or is it simply because the endpoint is
>> not in sync with the main repo.
> Short answer - unfortunately, no. Longer answer in
> https://phabricator.wikimedia.org/T128947#2104017
>
>
That ticket is a restricted task, so not everybody can see the longer
answer.
Mbch331
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Re: [Wikidata] Recognizing deleted resource in the Wikidata SPARQL endpoint
Hi! > Is there an alternative to SPARQL that can either check for deleted > records or give only non-deleted ones? currently, I am checking if > they are deleted by making a "ping" using HTTP head requests but this > takes a huge amount of time since I need to check about 70k > resources. Well, SPARQL data store is not supposed to contain any deleted entries... But looks like there's some bug there. If you give me the list of the "bad" entries, it's easy to update them. Considerable harder is to find *why* they weren't updated in the first place. I'm still looking into it. -- Stas Malyshev smalys...@wikimedia.org ___ Wikidata mailing list Wikidata@lists.wikimedia.org https://lists.wikimedia.org/mailman/listinfo/wikidata
