Sorry, I edited the Wikidata entry which made the previous tinyurl not
return anything. Here is a new one:
http://tinyurl.com/jbjxqxo
/Finn
On 05/19/2016 04:09 PM, Yetkin Sakal wrote:
Determination method seems to work.
http://tinyurl.com/jygrx22
Thanks for the advice.
On Thursday, May 19, 2016 4:01 PM, Markus Krötzsch
<[email protected]> wrote:
On 19.05.2016 14:51, Markus Krötzsch wrote:
> Here is a simple SPARQL query to get population numbers from (any time
> in) 2015 of (arbitrary types of) entities, limited to 100 results:
>
> SELECT ?entity ?entityLabel ?population ?time
> WHERE
> {
> ?entity p:P1082 ?statement .
> ?statement ps:P1082 ?population .
> ?statement pq:P585 ?time .
> FILTER (
> ?time > "2015-01-01T00:00:00Z"^^xsd:dateTime &&
> ?time < "2015-12-31T23:59:59Z"^^xsd:dateTime
> )
>
> SERVICE wikibase:label {
> bd:serviceParam wikibase:language "en" .
> }
> }
> LIMIT 100
>
> See http://tinyurl.com/gwzubox
>
> You can replace ?entity by something like wd:Q64 to query the population
> of a specific place: http://tinyurl.com/jnajczu
<http://tinyurl.com/jnajczu>(I changed to 2014 here
> since there are no 2015 figures for Berlin).
>
> You could also add other qualifiers to narrow down statements further,
> but of course only if Wikidata has such information in the first place.
> I don't see many qualifiers other than P585 being used with population
> statements, so this is probably of little use.
Well, there are some useful qualifiers in some cases, e.g.,
determination method. Here are estimated populations between 2000 and
2015: http://tinyurl.com/zp6ymwr
See https://tools.wmflabs.org/sqid/#/view?id=P1082
<https://tools.wmflabs.org/sqid/#/view?id=P1082>for more qualifiers.
Markus
>
> Cheers
>
> Markus
>
> On 19.05.2016 14:35, Yetkin Sakal wrote:
>> The only way I could find to retrieve it is through theAPI.
>>
>>
https://www.wikidata.org/w/api.php?action=wbgetclaims&entity=Q2674064&property=P1082
>>
>>
>> How to go about picking a population type (urban, rural, etc.) and
>> accessing its value? I cannot see such a qualifier, so what is the right
>> way to do it?
>>
>>
>> On Thursday, May 19, 2016 9:50 AM, Gerard Meijssen
>> <[email protected] <mailto:[email protected]>> wrote:
>>
>>
>> Hoi,
>> So 2015 is preferred, how do I then get the data for 1984?
>> Thanks.
>> GerardM
>>
>> On 18 May 2016 at 21:00, Stas Malyshev <[email protected]
<mailto:[email protected]>
>> <mailto:[email protected] <mailto:[email protected]>>>
wrote:
>>
>> Hi!
>>
>> > Is there any chance we can access qualifier-specific data on
>> Wikidata?
>> > For instance, we have two population properties on
>> > https://www.wikidata.org/wiki/Q2674064
<https://www.wikidata.org/wiki/Q2674064>and want to access the
>> value of
>> > the first one (i.e, the population value for 2015).
>>
>> What should happen is that 2015 value should be marked as preferred.
>> That is regardless of data access. Then probably something like this:
>>
>>
https://www.mediawiki.org/wiki/Extension:Wikibase_Client/Lua#mw.wikibase.entity:getBestStatements
>>
>> can be used (not sure if there's better way to achieve the same).
>> Also not sure what #property would return...
>> --
>> Stas Malyshev
>> [email protected] <mailto:[email protected]>
<mailto:[email protected] <mailto:[email protected]>>
>>
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>
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