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Project:SPARQL/examples: Difference between revisions
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→Federated Query WikiFCD PFaF with Optional Image: update pfaf
(add pfaf query) |
(→Federated Query WikiFCD PFaF with Optional Image: update pfaf) |
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SELECT DISTINCT ?food ?foodLabel ?taxon ?value ?image | SELECT DISTINCT ?food ?foodLabel ?taxon ?value (SAMPLE (?img) AS ?image) | ||
WHERE { | WHERE { | ||
?food wbt:P73 ?taxon. | ?food wbt:P73 ?taxon. | ||
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SERVICE <https://query.wikidata.org/sparql> { | SERVICE <https://query.wikidata.org/sparql> { | ||
?wikidata wdt:P4301 ?value. | ?wikidata wdt:P4301 ?value. | ||
OPTIONAL {?wikidata wdt:P18 ? | OPTIONAL {?wikidata wdt:P18 ?img.} | ||
}} | }} | ||
GROUP BY ?food ?foodLabel ?taxon ?value | |||
</SPARQL> | </SPARQL> | ||