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Project:SPARQL/examples: Difference between revisions
→Federated queries
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= Federated queries = | = Federated queries = | ||
== Egg-incubation time of the bird observed with the iNaturalist observation ID: == | |||
<syntaxhighlight> | |||
PREFIX wb: <http://biodiversity.wiki.opencura.com/entity/> | |||
PREFIX wbt: <http://biodiversity.wiki.opencura.com/prop/direct/> | |||
SELECT * WHERE { | |||
VALUES ?observation {wb:Q46561} | |||
?observation wbt:P8 ?coordinate_location ; | |||
wbt:P1 ?observation_id ; | |||
wbt:P9 ?scientific_name . | |||
?scientific_name wbt:P11 ?wikidata_iri . | |||
SERVICE <https://query.wikidata.org/sparql> { | |||
?wikidata_iri wdt:P7770 ?egg_incubation_time . | |||
} | |||
} | |||
</syntsxhighlight> | |||
== Plot observations based on an NCBI taxon id on Wikidata == | == Plot observations based on an NCBI taxon id on Wikidata == | ||
<syntaxhighlight> | <syntaxhighlight> | ||