Comparing RQL to W3C XQuery

• XQuery

LET $t := document("sirpac-culture-merged.rdf")//description

FOR $artist IN rdf:instance-of-class($t, rdf:predicate-domain($t, "creates"))

LET $artifact := rdf:join-on-property($t, $artist,"creates"),

$museum := rdf:join-on-property($t, $artifact, "exhibited")

RETURN

{filter($artist | $artist/last_name | $artist/first_name),

filter($museum | $museum/title)}

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