query-3ab252fdde681f771d03d4f8410bee5e

rq turtle/ttl

Colouring graph nodes and labelling relationshipsI've been creating a new Wikidata query which shows tunes which are contrafacts (melodies based on another tune's chords) along with the composer etc.

Use at

PREFIX wikibase: <http://wikiba.se/ontology#>
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wd: <http://www.wikidata.org/entity/>
PREFIX bd: <http://www.bigdata.com/rdf#>
#Show tunes and tunes on which they are based
#defaultView:Graph
SELECT 
?item ?itemLabel ?composer ?composerLabel ?image
?other ?otherLabel ("7FFF00" as ?rgb)
WHERE
{
    ?item wdt:P31 wd:Q23817390 .   # tune
    ?item  wdt:P144    ?other  .   # if the tune is based on another
    ?item wdt:P86 ?composer .
    OPTIONAL {?composer  wdt:P18     ?image  . }  # grab image
    #?other wdt:P18     ?image2 .   # grab image
    #?other wdt:P86 ?otherComposer .
    SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en" }
}

Query found at

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v3("?composer"):::projected v4("?image"):::projected v1("?item"):::projected v2("?other"):::projected v5("?rgb") c7(["bd:serviceParam"]):::iri c9(["#91;AUTO_LANGUAGE#93;,en"]):::literal c2(["wd:Q23817390"]):::iri v1 --"wdt:P31"--> c2 v1 --"wdt:P144"--> v2 v1 --"wdt:P86"--> v3 subgraph optional0["(optional)"] style optional0 fill:#bbf,stroke-dasharray: 5 5; v3 -."wdt:P18".-> v4 end subgraph s1["http://wikiba.se/ontology#label"] style s1 stroke-width:4px; c7 --"wikibase:language"--> c9 end bind0[/"'7FFF00'"/] bind0 --as--o v5