relation_via_schoenberg.rql

PREFIX foaf: <http://xmlns.com/foaf/0.1/>
PREFIX knora-base: <http://www.knora.org/ontology/knora-base#>
PREFIX knora-admin: <http://www.knora.org/ontology/knora-admin#>
PREFIX webern: <http://www.knora.org/ontology/0806/webern#>

SELECT (CONCAT(?first, ' ', ?last) AS ?fullname) ?string
WHERE {
    ?s a foaf:Person ;
    	knora-base:attachedToProject ?project .
    ?project knora-admin:projectShortname "webern" .

	?s webern:hasRelation ?relation ;
    	webern:hasFamilyName ?familyName ;
    	webern:hasGivenName ?givenName .

    ?relation knora-base:valueHasString ?string .
    FILTER regex(str(?string), "Schönberg") .

    ?familyName knora-base:valueHasString ?last .
    ?givenName knora-base:valueHasString ?first .

} LIMIT 100