We used this on FactGrid
(https://database.factgrid.de/wiki/FactGrid:Sample_queries)
SELECT * WHERE {
?s wdt:P2 wd:Q7.
?s p:P266 ?st. # ?s is the the statement node
?st ps:P266 ?o. # that simulates the predicate
?st ?qualifier ?value. # this is an attribute (a qualifier)
}
as scripted by Marie Destandau - the values needed some tedious transformation
afterwards...
Best,
Olaf
> vijaya <[email protected]> hat am 11.03.2021 06:16 geschrieben:
>
>
> Hi,
>
> Is there a way to get the child properties/sub-properties of a property?
>
> Example: position_held(P39) property has sub-properties like start time
> and end time so how to get them directly with SPARQL query and also If I
> have a wiki dump which is around 65 GB so how to parse a huge wiki dump
> and get the properties and their related sub-properties?
>
> I got all the property IDs and property labels by SPARQL query but its
> inner properties like start time, end time.. so on were missed.
>
> Thanks in advance!!
>
> Thanks and Regards,
> VijayaLakshmi.
>
>
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Dr. Olaf Simons
Forschungszentrum Gotha der Universität Erfurt
Am Schlossberg 2
99867 Gotha
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