Help:SPARQL

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SPARQL is the query language used by the query service.

You can read more about SPARQL here, on Wikidata. This has different parts:

Specifics here

On this site, it is customary to use some prefixes:

PREFIX pdio: <https://wiki.personaldata.io/entity/>
PREFIX pdiot: <https://wiki.personaldata.io/prop/direct/>
PREFIX pdiop: <https://wiki.personaldata.io/prop/>
PREFIX pdiops: <https://wiki.personaldata.io/prop/statement/>
PREFIX pdiopq: <https://wiki.personaldata.io/prop/qualifier/>

This replicates the same prefix scheme for Wikidata (see also here).

Example queries here