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Ejemplos de consultas SPARQL

This page (revision-27) was last changed on 23-May-2020 10:27 by Mariano Rico

This page was created on 05-Nov-2018 18:06 by Mariano Rico

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Ejemplos de consultas SPARQL
Ejemplos de consultas SPARQL

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At line 115 added 19 lines
!!!Ejemplo 6. Nombres y sobrenombres de músicos de jazz latino
%%prettify
{{{
PREFIX dcterms: <http://purl.org/dc/terms/>
select * where{
?musico dcterms:subject <http://es.dbpedia.org/resource/Categoría:Músicos_de_jazz_latino> .
OPTIONAL{?musico dbpedia-owl:alias ?alias }
OPTIONAL{?musico foaf:givenName ?given }
OPTIONAL{?musico foaf:name ?name }
}
}}}
[Resultado|http://es.dbpedia.org/sparql?default-graph-uri=&query=PREFIX+dcterms%3A+%3Chttp%3A%2F%2Fpurl.org%2Fdc%2Fterms%2F%3E%0D%0Aselect+*+where%7B%0D%0A+%3Fmusico+dcterms%3Asubject+%3Chttp%3A%2F%2Fes.dbpedia.org%2Fresource%2FCategor%C3%ADa%3AM%C3%BAsicos_de_jazz_latino%3E+.%0D%0A+OPTIONAL%7B%3Fmusico+dbpedia-owl%3Aalias+%3Falias+%7D%0D%0A+OPTIONAL%7B%3Fmusico+foaf%3AgivenName+%3Fgiven+%7D%0D%0A+OPTIONAL%7B%3Fmusico+foaf%3Aname+%3Fname+%7D%0D%0A%7D&format=text%2Fhtml&timeout=0&debug=on].
%%warning
Nota: El reseñable el uso de OPTIONAL y cómo con el "select *" es suficiente para sacar una hermosa tabla con muchos huecos vacíos.
%%
This page (revision-27) was last changed on 23-May-2020 10:27 by Mariano Rico Top

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