Squish
SELECT ?museum ?artist ?artifact
WHERE (?artist c:creates ?artifact)
(?museum c:exhibits ?artifact)
Syntactic Web Paper (modernized)
declare namespace rdf = "rdf.tagsalad.org";
for $artist in rdf:instance-of-class(rdf:predicate-domain("c:creates"))
let $artifact := rdf:join-on-property($artist, "c:creates"),
$museum := rdf:join-on-property($artifact, "c:exhibited")
return
<result>
<artist>{ $artist }</artist>
<artifact>{ $artifact }</artifact>
<museum>{ $museum }</museum>
</result>
This can be improved...
declare namespace rdf = "rdf.tagsalad.org"; for $artist in
rdf:subject("c:creates", ()), $artifact := rdf:object($artist, "c:creates"),
$museum := rdf:subject("c:exhibits", $artifact) return <result>
<artist>{ $artist }</artist> <artifact>{ $artifact
}</artifact> <museum>{ $museum }</museum> </result>
